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WO2016008356A1 - Procédé de prise de vue de suivi d'étoile, procédé de prise de vue de suivi de mouvement d'objet et terminal mobile - Google Patents

Procédé de prise de vue de suivi d'étoile, procédé de prise de vue de suivi de mouvement d'objet et terminal mobile Download PDF

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Publication number
WO2016008356A1
WO2016008356A1 PCT/CN2015/082405 CN2015082405W WO2016008356A1 WO 2016008356 A1 WO2016008356 A1 WO 2016008356A1 CN 2015082405 W CN2015082405 W CN 2015082405W WO 2016008356 A1 WO2016008356 A1 WO 2016008356A1
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WO
WIPO (PCT)
Prior art keywords
image
composite image
shooting
star
track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/082405
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English (en)
Chinese (zh)
Inventor
邹明双
崔小辉
苗雷
里强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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Filing date
Publication date
Application filed by Nubia Technology Co Ltd filed Critical Nubia Technology Co Ltd
Publication of WO2016008356A1 publication Critical patent/WO2016008356A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders

Definitions

  • the invention relates to the field of camera technology, in particular to a method for shooting a star track, a method for shooting an object motion track, a mobile terminal and a storage medium.
  • the current mobile terminal has a shooting function that relies on the relevant processing algorithms provided by the camera hardware device and the chip supplier, and only several fixed shooting modes such as focus and white balance.
  • Star-track shooting can capture the running track of the stars, which is a favorite way for astronomy enthusiasts to shoot.
  • the exposure time usually takes 20 to 60 minutes, which requires a professional camera such as a SLR camera, because it is equipped with a photosensitive hardware that can support long-term continuous exposure.
  • the current shooting of the star track can only be operated when the mobile terminal is bright, which makes the power consumption high, such as the interruption of the image during the shooting process, the synthesis of the star track image cannot be completed, thereby affecting the user experience.
  • an embodiment of the present invention provides a method for shooting a star track, a method for capturing an object motion trajectory, a mobile terminal, and a storage medium, which can reduce power consumption during shooting and improve user experience.
  • an embodiment of the present invention provides a method for star-track shooting, and the method for shooting a star-track includes the following steps:
  • the control display screen is in a black screen state, the star track image is collected within a preset time, and a composite image is generated according to the star track image;
  • the display screen is controlled to be in a bright screen state, and the generated composite image is displayed.
  • the display screen is controlled to be in a black screen state, and the star track image is collected within a preset time, and the step of generating a composite image according to the star track image includes:
  • control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • the method for shooting the star track before the step of controlling the display screen to be a bright screen state and displaying the generated composite image when the preset time is reached, the method for shooting the star track further includes the steps of:
  • the generated current composite image is displayed to the user.
  • the display screen is controlled to be in a black screen state, and the star track image is collected within a preset time, and the step of generating a composite image according to the star track image includes:
  • control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • All the acquired star-track images are stored, and after the shooting is completed, a composite image is generated based on the stored star-track images.
  • the method for shooting the star track before the step of controlling the display screen to be a bright screen state and displaying the generated composite image when the preset time is reached, the method for shooting the star track further includes the steps of:
  • the user Upon receiving an instruction from the user to illuminate the display screen, the user is prompted for a wait message to wait for a composite image to be generated.
  • the embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:
  • the acquisition and synthesis module is configured to control the display screen to be in a black screen state after the start of shooting, collect a star track image within a preset time, and generate a composite image according to the star track image;
  • the first display module is configured to control the display screen to be in a bright screen state when the preset time is reached, and display the generated composite image.
  • the collecting and synthesizing module is configured to:
  • control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • the mobile terminal further includes:
  • the second display module is configured to display the generated current composite image to the user when receiving an instruction from the user to illuminate the display screen.
  • the collecting and synthesizing module is further configured to:
  • control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • All the acquired star-track images are stored, and after the shooting is completed, a composite image is generated based on the stored star-track images.
  • the mobile terminal further includes:
  • the third display module is configured to, when receiving an instruction from the user to illuminate the display screen, prompt the user for the waiting information to wait for the generated composite image.
  • an embodiment of the present invention further provides a method for photographing an object motion trajectory, where the method for photographing an object motion trajectory includes the following steps:
  • the control display screen is in a black screen state, the moving image of the object is collected within a preset time, and the composite image is generated according to the moving image of the object;
  • the display screen is controlled to be in a bright screen state, and the generated composite image is displayed.
  • the display screen is controlled to be in a black screen state, and the moving image of the object is collected within the preset time, and the step of generating the composite image according to the moving image of the object includes:
  • control display screen is in a black screen state, and the moving image of the object is continuously collected by the camera during the preset time;
  • the method for photographing the motion track of the object before the step of controlling the display screen to be in a bright screen state and displaying the generated composite image when the preset time is reached, the method for photographing the motion track of the object further includes the step :
  • the generated current composite image is displayed to the user.
  • the display screen is controlled to be in a black screen state, and the moving image of the object is collected within the preset time, and the step of generating the composite image according to the moving image of the object includes:
  • control display screen is in a black screen state, and the moving image of the object is continuously collected by the camera during the preset time;
  • All the moving images of the objects are stored, and after the shooting is completed, a composite image is generated according to the stored moving images of the objects.
  • the method for photographing the motion track of the object before the step of controlling the display screen to be in a bright screen state and displaying the generated composite image when the preset time is reached, the method for photographing the motion track of the object further includes the step :
  • the user Upon receiving an instruction from the user to illuminate the display screen, the user is prompted for a wait message to wait for a composite image to be generated.
  • the embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:
  • the acquisition and synthesis module is configured to control the display screen to be in a black screen state after the start of shooting, collect an object moving image within a preset time, and generate a composite image according to the object moving image;
  • the first display module is configured to control the display screen to be in a bright screen state when the preset time is reached, and display the generated composite image.
  • the collecting and synthesizing module is configured to:
  • control display screen is in a black screen state, and the moving image of the object is continuously collected by the camera during the preset time;
  • the mobile terminal further includes:
  • the second display module is configured to display the generated current composite image to the user when receiving an instruction from the user to illuminate the display screen.
  • the collecting and synthesizing module is further configured to:
  • control display screen is in a black screen state, and the moving image of the object is continuously collected by the camera during the preset time;
  • All the moving images of the objects are stored, and after the shooting is completed, a composite image is generated according to the stored moving images of the objects.
  • the mobile terminal further includes:
  • the third display module is configured to, when receiving an instruction from the user to illuminate the display screen, prompt the user for the waiting information to wait for the generated composite image.
  • an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the method for star track shooting provided by the first aspect of the present invention. And/or the computer-executable instructions are used to perform the method of photographing the motion trajectory of the object provided by the embodiment of the third aspect of the present invention.
  • the display screen is controlled to be in a black screen state, and the star track image is collected in a preset time to generate a composite image according to the star track image; when the preset time is reached, the display screen is controlled to be a bright screen state. And display the resulting composite image. Keeping the display screen of the mobile terminal in a black screen state during the process of capturing the star track image and the composite image, and lighting the screen to display the generated composite image to the user after generating the composite image, thereby reducing the power consumption during the shooting process. Thereby improving the user experience.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for shooting a star track according to the present invention
  • FIG. 2 is a schematic flow chart of a first embodiment of the step of acquiring a star-track image in a preset time in FIG. 1;
  • FIG. 3 is a schematic flow chart of a second embodiment of a method for star-track shooting according to the present invention.
  • FIG. 4 is a schematic diagram showing a refinement of a second embodiment of the step of acquiring a star-track image in a preset time in FIG. 1;
  • FIG. 5 is a schematic flow chart of a third embodiment of a method for shooting a star track according to the present invention.
  • FIG. 6 is a schematic diagram of functional modules of a first embodiment of a mobile terminal according to the present invention.
  • FIG. 7 is a schematic diagram of functional modules of a second embodiment of a mobile terminal according to the present invention.
  • FIG. 8 is a schematic diagram of functional modules of a third embodiment of a mobile terminal according to the present invention.
  • FIG. 9 is a schematic flow chart of a first embodiment of a method for photographing an object motion trajectory according to the present invention.
  • Embodiments of the present invention provide a method for star track shooting.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for shooting a star track according to an embodiment of the present invention.
  • the method of shooting the star track comprises:
  • Step S10 after the shooting starts, the control display screen is in a black screen state, the star track image is collected within a preset time, and the composite image is generated according to the star track image;
  • the embodiment of the invention adds a star track shooting mode for the shooting function of the mobile terminal, and the user can select the star track shooting mode or the normal shooting mode for shooting, wherein the star track shooting mode is combined with the requirements of the star track shooting scene, and is preset.
  • the parameters such as exposure time, ISO, resolution, exposure compensation, noise reduction, etc., can also preset different parameters according to different starry sky scenes over different regions, for the user to select when shooting.
  • the mobile terminal When the user selects the star track shooting mode, presses the shooting button or triggers the virtual shooting button, the mobile terminal starts to shoot the star track. At this time, the display of the mobile terminal is controlled to be in a black screen state, and the shooting is taken within a preset time.
  • Star track image In this embodiment, the preset time is a black screen time preset according to the estimated star track shooting time, and the preset time can be customized by the user even if the display screen of the mobile terminal remains in a black screen state during the entire shooting process. Can be set by the system by default.
  • a composite image is generated from the star track image to present the trajectory of the star to the user.
  • the collected star track image may be cached in the cache module for synthesizing the star track image from the cache module when the composite image is generated, or may be synthesized in real time during the process of acquiring the star track image.
  • step S20 when the preset time is reached, the display screen is controlled to be in a bright screen state, and the generated composite image is displayed.
  • the star track image is captured within a preset time and all shooting is completed, that is, when the preset time is reached, the display screen of the mobile terminal is controlled to be in a bright screen state, and the generated composite image is presented to the user on the display screen to display the user to the user.
  • the display screen is controlled to be in a black screen state, and is taken in a preset time.
  • the star track image is generated to generate a composite image according to the star track image; when the preset time is reached, the display screen is controlled to be in a bright screen state, and the generated composite image is displayed.
  • the display screen of the mobile terminal in a black screen state during the process of capturing the star track image and the composite image, and lighting the screen to display the generated composite image to the user after generating the composite image, thereby reducing the power consumption during the shooting process. Thereby improving the user experience.
  • FIG. 2 is a schematic diagram of a refinement of a first embodiment of the step of acquiring a star-track image in a preset time in FIG.
  • step S10 further includes:
  • Step S11 after the shooting starts, the control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • the display screen of the mobile terminal is controlled to be in a black screen state, and the star track image is continuously collected by the camera of the mobile terminal within a preset time, and the collection time can be preset, and the camera collects each time.
  • the acquisition time is equivalent to the exposure time, preferably 5 ⁇ 10S.
  • step S12 the collected current star track image is combined with the previously generated composite image in real time to generate a current composite image.
  • the first star-track image when the first star-track image is collected, it is taken as the image to be composited, and after the second star-track image is acquired, it is combined with the image to be synthesized into a current composite image, and the latter is sequentially
  • the acquired star track image is combined with the previously generated composite image to finally generate a composite image formed by all the captured star track images.
  • the image synthesis of the present embodiment is performed by the method of brightness selection, and the image synthesized by the previous one (past image) Based on the base image; then a synthetic method in which the brightness of the subsequent image is replaced with a pixel that is brighter than the base image is selected.
  • the first star track image has been acquired, and based on the first star track image (past image), when the second star track image (current image) is acquired, the first star track image and the second star track image are Comparing the pixels of the corresponding position, if the brightness of the second picture is greater than the brightness of the first picture, extracting the pixels of the second star track image to replace the pixels corresponding to the position of the first star track image, and finally obtaining a composite image, Then, based on this composite image, the subsequent images are subjected to the same processing, and finally the composite images corresponding to all the captured star-track images are obtained.
  • the pixel track image includes a pixel unit 1, a pixel unit 2, and a pixel unit n, and a total of n pixel units, wherein the brightness of the current image of the pixel unit 501 to the pixel unit 700 is greater than that of the past image.
  • the pixels of the pixel unit 501 to the pixel unit 700 in the current image replace the pixels of the pixel unit 501 to the pixel unit 700 in the past image, and after the replacement is completed, a new image, that is, the current composite image is obtained.
  • This way of replacing the bright spots compared with the way of highlights superposition, can more clearly capture the trajectory of the star movement, preventing other bright spots next to the star track from being too bright and affecting the star track effect.
  • the composite image can also be subjected to noise reduction processing, and at the same time, according to the exposure degree of the existing image, the synthesis ratio of the newly synthesized image is controlled, and overexposure generation is suppressed.
  • FIG. 3 is a schematic flow chart of a second embodiment of a method for shooting a star track according to the present invention.
  • the method further includes:
  • Step S30 when receiving an instruction from the user to illuminate the display screen, displaying the generated current composite image to the user.
  • the user Before the preset time is reached, that is, when the composite image is not generated, the user can illuminate the display screen at any time through the opening key of the mobile terminal to view the current star-track image shooting situation, such as receiving the user. Triggering the indication of lighting the display screen, the screen is illuminated. Since the current composite image is synthesized in real time during the shooting process, after the user lights the screen, the currently synthesized current composite image can be displayed to the user for the user to understand. The synthesis of the composite image corresponding to the star-track image.
  • the control display screen is in a black screen state, and during the preset time, the current star track image is combined with the previous generated composite image in the process of continuously collecting the star track image through the camera to generate the current Combining the image and synthesizing the current composite image with the next star track image until the composite image corresponding to the star track image is generated, so as to display the instruction to the user before receiving the instruction to light the display screen before the preset time is reached.
  • the synthesized current composite image allows the user to understand the synthesis of the composite image, thereby further enhancing the user experience.
  • FIG. 4 is a refinement flow diagram of a second embodiment of the step of acquiring a star-track image in a preset time in FIG.
  • step S10 may further include:
  • Step S13 after the shooting starts, the control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • the display screen of the mobile terminal is controlled to be in a black screen state, and the star track image is continuously collected by the camera of the mobile terminal within a preset time, and the collection time can be preset, and the camera collects each time.
  • the acquisition time is equivalent to the exposure time, preferably 5 ⁇ 10S.
  • Step S14 storing all the acquired satellite image, and after the shooting is completed, generating a composite image according to the stored star track image.
  • all the star track images captured are stored in the cache module in the mobile terminal, and after the shooting is completed, the synthesized images are synthesized according to all the stored star track images to generate a composite image.
  • the acquired star track image is obtained from the cache module, and the first picture is taken as the image to be combined, and the second star track image and the image to be synthesized are combined into one current composite image, and the latter is sequentially
  • the star track image is synthesized with the previously generated composite image, and the final A composite image of all the star-track images taken.
  • the image synthesis of the present embodiment is performed by means of brightness selection, based on the image synthesized above, as a base image; and then a synthesis method in which the luminance of the subsequent image is replaced with the pixel whose base image is brighter is selected.
  • the first star track image is compared with the pixel of the corresponding position of the second star track image, and if the brightness of the second sheet is greater than the brightness of the first sheet, the extraction is performed.
  • the pixels of the second star-track image are replaced by the pixels corresponding to the position of the first star-track image, and finally a composite image is obtained, and then the subsequent image is subjected to the same processing based on the composite image, and finally the captured image is obtained.
  • the composite image corresponding to all the star track images.
  • the pixel track image includes a pixel unit 1, a pixel unit 2, and a pixel unit n, and a total of n pixel units, wherein the brightness of the current image of the pixel unit 501 to the pixel unit 700 is greater than that of the past image.
  • the pixels of the pixel unit 501 to the pixel unit 700 in the current image replace the pixels of the pixel unit 501 to the pixel unit 700 in the past image, and after the replacement is completed, a new image, that is, the current composite image is obtained.
  • This way of replacing the bright spots compared with the way of highlights superposition, can more clearly capture the trajectory of the star movement, preventing other bright spots next to the star track from being too bright and affecting the star track effect.
  • the composite image can also be subjected to noise reduction processing, and at the same time, according to the exposure degree of the existing image, the synthesis ratio of the newly synthesized image is controlled, and overexposure generation is suppressed.
  • FIG. 5 is a schematic flow chart of a third embodiment of a method for star-track shooting according to the present invention.
  • the method further includes:
  • Step S40 when receiving an instruction from the user to illuminate the display screen, prompting the user for the waiting information to wait for the generation of the composite image.
  • the screen is illuminated if an indication that the user triggers the display of the display is received, in which case the composite image is acquired after all the star track images have been acquired. After the user lights up the screen, the composite image may still be in progress, that is, not yet generated.
  • the waiting information is displayed to the user to prompt the user to synthesize the image at this time, please wait to generate a composite image.
  • the user can manually select to turn off the display, or continue to keep the display in a bright state, waiting for the composite image to be generated.
  • the control display screen is in a black screen state, and during the preset time, the star track image is continuously collected by the camera, and all the star track images captured are stored in the cache module in the mobile terminal, after the shooting is completed. And synthesizing according to all stored star-track images to generate a composite image, such as receiving an instruction to light the display screen before the preset time is reached, prompting the user to wait for information, waiting to generate a composite image, further improving The user experience.
  • the invention further provides a mobile terminal.
  • FIG. 6 is a schematic diagram of functional modules of a first embodiment of a mobile terminal according to the present invention.
  • the mobile terminal includes:
  • the collecting and synthesizing module 10 is configured to control the display screen to be in a black screen state after the shooting starts, collect a star track image within a preset time, and generate a composite image according to the star track image;
  • the first display module 20 is configured to control the display screen to be in a bright screen state when the preset time is reached, and display the generated composite image.
  • the embodiment of the invention adds a star track shooting mode for the shooting function of the mobile terminal, and the user can select the star track shooting mode or the normal shooting mode for shooting, wherein the star track shooting mode is combined with the requirements of the star track shooting scene, and is preset.
  • the parameters such as exposure time, ISO, resolution, exposure compensation, noise reduction, etc., can also preset different parameters according to different starry sky scenes over different regions. For the user to choose when shooting.
  • the mobile terminal When the user selects the star track shooting mode, the mobile terminal starts the star track shooting after pressing the shooting button or triggering the virtual shooting button.
  • the collecting and synthesizing module 10 controls the display screen of the mobile terminal to be in a black screen state, and is preset.
  • the captured star track image is captured during the time.
  • the preset time is a black screen time preset according to the estimated star track shooting time, and the preset time can be customized by the user even if the display screen of the mobile terminal remains in a black screen state during the entire shooting process. Can be set by the system by default.
  • a composite image is generated from the star track image to present the trajectory of the star to the user.
  • the collected star track image may be cached in the cache module for synthesizing the star track image from the cache module when the composite image is generated, or may be synthesized in real time during the process of acquiring the star track image.
  • the first display module 20 controls the display screen of the mobile terminal to be in a bright screen state, and displays the generated composite image on the display screen, when the preset time is reached, and the preset time is reached. To show the user the trajectory of the stars they want to shoot.
  • the display screen is controlled to be in a black screen state, and the star track image is collected within a preset time to generate a composite image according to the star track image; when the preset time is reached, the display screen is controlled to be in a bright screen state. And the resulting composite image is displayed. Keeping the display screen of the mobile terminal in a black screen state during the process of capturing the star track image and the composite image, and lighting the screen to display the generated composite image to the user after generating the composite image, thereby reducing the power consumption during the shooting process. Thereby improving the user experience.
  • the collecting and synthesizing module 10 is specifically configured as follows:
  • control display screen is in a black screen state, and the star track image is continuously collected by the camera during the preset time;
  • the display screen of the mobile terminal is controlled to be in a black screen state.
  • the acquisition time can be set in advance, and a star track image is collected by the camera every acquisition time, and the acquisition time is equivalent to the exposure time, preferably 5 to 10 seconds.
  • the first star-track image when the first star-track image is collected, it is taken as the image to be composited, and after the second star-track image is acquired, it is combined with the image to be synthesized into a current composite image, and the latter is sequentially
  • the acquired star track image is combined with the previously generated composite image to finally generate a composite image formed by all the captured star track images.
  • the image synthesis of the present embodiment is performed by means of brightness selection, based on the above-described synthesized image (past image) as a base image; and then a synthesis method in which the brightness of the subsequent image is replaced with the pixel whose base image is brighter is selected. .
  • the first star track image has been acquired, and based on the first star track image (past image), when the second star track image (current image) is acquired, the first star track image and the second star track image are Comparing the pixels of the corresponding position, if the brightness of the second picture is greater than the brightness of the first picture, extracting the pixels of the second star track image to replace the pixels corresponding to the position of the first star track image, and finally obtaining a composite image, Then, based on this composite image, the subsequent images are subjected to the same processing, and finally the composite images corresponding to all the captured star-track images are obtained.
  • the pixel track image includes a pixel unit 1, a pixel unit 2, and a pixel unit n, and a total of n pixel units, wherein the brightness of the current image of the pixel unit 501 to the pixel unit 700 is greater than that of the past image.
  • the pixels of the pixel unit 501 to the pixel unit 700 in the current image replace the pixels of the pixel unit 501 to the pixel unit 700 in the past image, and are obtained after the replacement is completed.
  • the composite image can also be subjected to noise reduction processing, and at the same time, according to the exposure degree of the existing image, the synthesis ratio of the newly synthesized image is controlled, and overexposure generation is suppressed.
  • FIG. 7 is a schematic diagram of functional modules of a second embodiment of a mobile terminal according to the present invention.
  • the mobile terminal further includes:
  • the second display module 30 is configured to display the generated current composite image to the user when receiving an instruction from the user to illuminate the display screen.
  • the user Before the preset time is reached, that is, when the composite image is not generated, the user can illuminate the display screen at any time through the opening key of the mobile terminal to view the current star-track image shooting situation, such as receiving an indication that the user triggers the lighting display. Then, the screen is illuminated. Since the current composite image is synthesized in real time during the shooting process, after the user lights the screen, the currently synthesized current composite image can be displayed to the user through the second display module 30 for the user to understand the star track. The synthesis of the composite image corresponding to the image.
  • the control display screen is in a black screen state, and during the preset time, the current star track image is combined with the previous generated composite image in the process of continuously collecting the star track image through the camera to generate the current Combining the image and synthesizing the current composite image with the next star track image until the composite image corresponding to the star track image is generated, so as to display the instruction to the user before receiving the instruction to light the display screen before the preset time is reached.
  • the synthesized current composite image allows the user to understand the synthesis of the composite image, thereby further enhancing the user experience.
  • the acquisition and synthesis module 10 is further configured to:
  • control display is in a black screen state, and the camera is connected within the preset time. Continue to collect star track images;
  • the display screen of the mobile terminal is controlled to be in a black screen state, and the star track image is continuously collected by the camera of the mobile terminal within a preset time, and the collection time can be preset, and the camera collects each time.
  • the acquisition time is equivalent to the exposure time, preferably 5 ⁇ 10S.
  • all the star track images captured are stored in the cache module in the mobile terminal, and after the shooting is completed, the synthesized images are synthesized according to all the stored star track images to generate a composite image.
  • the acquired star track image is obtained from the cache module, and the first picture is taken as the image to be combined, and the second star track image and the image to be synthesized are combined into one current composite image, and the latter is sequentially
  • the star-track image is synthesized with the previously generated composite image, and finally a composite image formed by all the captured star-track images is generated.
  • the image synthesis of the present embodiment is performed by means of brightness selection, based on the image synthesized above, as a base image; and then a synthesis method in which the luminance of the subsequent image is replaced with the pixel whose base image is brighter is selected.
  • the first star track image is compared with the pixel of the corresponding position of the second star track image, and if the brightness of the second sheet is greater than the brightness of the first sheet, the extraction is performed.
  • the pixels of the second star-track image are replaced by the pixels corresponding to the position of the first star-track image, and finally a composite image is obtained, and then the subsequent image is subjected to the same processing based on the composite image, and finally the captured image is obtained. All star track images Corresponding composite image.
  • the pixel track image includes a pixel unit 1, a pixel unit 2, and a pixel unit n, and a total of n pixel units, wherein the brightness of the current image of the pixel unit 501 to the pixel unit 700 is greater than that of the past image.
  • the pixels of the pixel unit 501 to the pixel unit 700 in the current image replace the pixels of the pixel unit 501 to the pixel unit 700 in the past image, and after the replacement is completed, a new image, that is, the current composite image is obtained.
  • This way of replacing the bright spots compared with the way of highlights superposition, can more clearly capture the trajectory of the star movement, preventing other bright spots next to the star track from being too bright and affecting the star track effect.
  • the composite image can also be subjected to noise reduction processing, and at the same time, according to the exposure degree of the existing image, the synthesis ratio of the newly synthesized image is controlled, and overexposure generation is suppressed.
  • FIG. 8 is a schematic diagram of functional modules of a third embodiment of a mobile terminal according to the present invention.
  • the mobile terminal further includes:
  • the third display module 40 is configured to prompt the user to wait for information when receiving an instruction from the user to illuminate the display screen to wait for a composite image to be generated.
  • the screen is illuminated if an indication that the user triggers the display of the display is received, in which case the composite image is acquired after all the star track images have been acquired. After the user lights up the screen, the composite image may still be in progress, that is, not yet generated.
  • the third display module 40 displays the waiting information to the user to prompt the user to synthesize the image at this time, please wait to generate a composite image. . After receiving the waiting message, the user can manually select to turn off the display, or continue to keep the display in a bright state, waiting for the composite image to be generated.
  • the control display screen is in a black screen state, and during the preset time, the star track image is continuously collected by the camera, and all the star track images captured are stored in the cache module in the mobile terminal, after the shooting is completed. , synthesizing according to all stored star-track images to generate a composite image, such as receiving an instruction to light the display screen before the preset time is reached, The user prompts for information to wait for a composite image to be generated, further enhancing the user experience.
  • FIG. 9 is a schematic flow chart of a first embodiment of a method for photographing an object motion trajectory according to the present invention.
  • the method for photographing the motion trajectory of the object includes:
  • Step S01 after the shooting starts, the control display screen is in a black screen state, the moving image of the object is collected within a preset time, and the composite image is generated according to the moving image of the object;
  • the invention adds a motion track shooting mode for the shooting function of the mobile terminal, and the user can select the motion track shooting mode or the normal shooting mode to shoot the motion track of the object, wherein the motion track shooting mode combines the requirements of the motion track shooting scene, Pre-set exposure time, ISO, resolution, exposure compensation, noise reduction and other parameters, you can also preset different parameters according to different starry sky scenes over different regions, for users to choose when shooting.
  • the object motion is substantially relative to the captured mobile terminal, and the motion type may include the following three situations: 1.
  • the state of the object is motion, the state of the mobile terminal is static; and the state of the object is At rest, the state of the mobile terminal is motion; third, the state of the object and the mobile terminal are the same, but the relative position changes.
  • the mobile terminal When the user selects the motion track shooting mode, the mobile terminal starts to perform the motion track shooting after pressing the shooting button or triggering the virtual shooting button. At this time, the display screen of the mobile terminal is controlled to be in a black screen state, and the shooting is taken within a preset time.
  • the preset time is a black screen time preset according to the estimated motion trajectory shooting time, and the preset time can be customized by the user even if the display screen of the mobile terminal remains in a black screen state during the entire shooting process. Can be set by the system by default.
  • a composite image is generated according to the moving image of the object to present the trajectory of the motion of the object to the user.
  • the captured moving image of the object can be cached in the cache module for reading the object from the cache module when generating the composite image
  • the moving image is synthesized, and the real-time synthesis can also be performed directly in the process of acquiring the moving image of the object.
  • step S02 when the preset time is reached, the display screen is controlled to be in a bright screen state, and the generated composite image is displayed.
  • the moving image of the object is captured within a preset time and all shooting is completed, that is, when the preset time is reached, the display screen of the mobile terminal is controlled to be in a bright screen state, and the generated composite image is presented to the user on the display screen to display the user to the user.
  • the display screen is controlled to be in a black screen state, and the moving image of the object is collected within a preset time to generate a composite image according to the moving image of the object; when the preset time is reached, the display screen is controlled to be in a bright screen state. And the resulting composite image is displayed.
  • the display screen of the mobile terminal is kept in a black screen state during the whole process of capturing the moving image of the object and the composite image, and the generated image is displayed on the screen after the composite image is generated, thereby reducing the power consumption during the shooting process. Thereby improving the user experience.
  • the invention also provides a mobile terminal.
  • the mobile terminal comprises:
  • the acquisition and synthesis module is configured to control the display screen to be in a black screen state after the start of shooting, collect an object moving image within a preset time, and generate a composite image according to the moving image of the object;
  • the first display module is configured to control the display screen to be in a bright screen state when the preset time is reached, and display the generated composite image.
  • the embodiment of the invention adds a motion track shooting mode for the shooting function of the mobile terminal, and the user can select the motion track shooting mode or the normal shooting mode to capture the motion track of the object, wherein the motion track shooting mode combines the motion track to shoot the scene.
  • Requirements, preset exposure time, ISO, resolution, exposure compensation, noise reduction and other parameters can also be based on different regions Different sky-space scenes preset different parameters for the user to select when shooting.
  • the object motion is substantially relative to the captured mobile terminal, and the motion type may include the following three situations: 1.
  • the state of the object is motion, the state of the mobile terminal is static; and the state of the object is At rest, the state of the mobile terminal is motion; third, the state of both the object and the mobile terminal is motion.
  • the collecting and synthesizing module controls the display screen of the mobile terminal to be in a black screen state, and at the preset time.
  • the moving image of the captured object is captured.
  • the preset time is a black screen time preset according to the estimated motion trajectory shooting time, and the preset time can be customized by the user even if the display screen of the mobile terminal remains in a black screen state during the entire shooting process. Can be set by the system by default.
  • a composite image is generated according to the moving image of the object to present the trajectory of the motion of the object to the user.
  • the collected moving image of the object may be cached in the cache module for synthesizing the moving image of the object from the cache module when the composite image is generated, or may be synthesized in real time during the process of acquiring the moving image of the object.
  • the first display module controls the display screen of the mobile terminal to be in a bright screen state, and presents the generated composite image to the user on the display screen, Show the user the trajectory of the motion of the object he wants to shoot.
  • the display screen is controlled to be in a black screen state, and the moving image of the object is collected within a preset time to generate a composite image according to the moving image of the object; when the preset time is reached, the display screen is controlled to be in a bright screen state. And the resulting composite image is displayed.
  • the display screen of the mobile terminal is kept in a black screen state during the whole process of capturing the moving image of the object and the composite image, and the generated image is displayed on the screen after the composite image is generated, thereby reducing the power consumption during the shooting process. Thereby improving the user experience.
  • the acquiring and synthesizing module, the first display module, the collecting and synthesizing module, the second display module and the third display module in the mobile terminal can all be implemented by a processor in the mobile terminal;
  • the functions performed by the device can also be implemented by specific logic circuits; in the process of a specific embodiment, the processor can be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP) or field programmable. Gate array (FPGA), etc.
  • the object motion trajectory shooting method or the object motion trajectory shooting method is implemented in the form of a software function module, and is sold or used as an independent product, it may also be stored in one
  • the computer can read the storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute a method for star track shooting in the embodiment of the present invention.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute a method for photographing an object motion track in the embodiment of the present invention.
  • the display screen is controlled to be in a black screen state, the star track image is collected within a preset time, and the composite image is generated according to the star track image; when the preset time is reached, the display screen is controlled to be in a bright screen state. And displaying the generated composite image; thus, the display screen of the mobile terminal is kept in a black screen state during the process of capturing the star track image and the composite image, and the generated image is displayed on the screen after the composite image is generated, minus The power consumption during shooting is reduced, which enhances the user experience.

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Abstract

La présente invention concerne, selon des modes de réalisation, un procédé de prise de vue de suivi d'étoile. Le procédé de prise de vue de suivi d'étoile comprend les étapes consistant à : faire passer un écran d'affichage dans un état d'écran noir après le début de la prise de vue ; capturer des images de suivi d'étoile pendant une durée prédéfinie et générer une image de synthèse en fonction des images de suivi d'étoile ; faire passer l'écran d'affichage dans un état d'écran lumineux et afficher l'image de synthèse générée quand la durée prédéfinie est atteinte. L'invention concerne également, selon des modes de réalisation, un procédé de prise de vue de suivi de mouvement d'objet, un terminal mobile et un support d'informations.
PCT/CN2015/082405 2014-07-16 2015-06-25 Procédé de prise de vue de suivi d'étoile, procédé de prise de vue de suivi de mouvement d'objet et terminal mobile Ceased WO2016008356A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112102190A (zh) * 2020-09-14 2020-12-18 努比亚技术有限公司 图像处理方法、移动终端及计算机可读存储介质

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104104873A (zh) * 2014-07-16 2014-10-15 深圳市中兴移动通信有限公司 星轨拍摄的方法、物体运动轨迹的拍摄方法和移动终端
CN104113642B (zh) * 2014-07-30 2020-03-31 努比亚技术有限公司 一种拍摄过程中的省电方法及装置
CN104469172B (zh) * 2014-12-31 2018-05-08 小米科技有限责任公司 延时拍摄方法及装置
KR20170014556A (ko) * 2015-07-30 2017-02-08 삼성전자주식회사 이동체를 촬영하는 방법 및 촬영 장치.
CN105975560B (zh) * 2016-04-29 2020-01-03 广东小天才科技有限公司 一种智能设备的题目搜索方法和装置
CN107333056A (zh) * 2017-06-13 2017-11-07 努比亚技术有限公司 运动物体的图像处理方法、装置及计算机可读存储介质
CN108111690A (zh) * 2017-12-26 2018-06-01 北京传嘉科技有限公司 拍摄方法及移动电子终端
US11128764B2 (en) * 2018-05-17 2021-09-21 Canon Kabushiki Kaisha Imaging apparatus, control method, and non-transitory computer readable medium
CN110913118B (zh) * 2018-09-17 2021-12-17 腾讯数码（天津）有限公司 视频处理方法、装置及存储介质
CN109361870A (zh) * 2018-11-28 2019-02-19 维沃移动通信有限公司 一种拍照方法及终端设备
CN111510961A (zh) * 2019-01-30 2020-08-07 电信科学技术研究院有限公司 一种邻小区更新的方法及设备
CN120282018A (zh) * 2023-12-29 2025-07-08 荣耀终端股份有限公司 图像拍摄方法、电子设备以及计算机可读存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103442170A (zh) * 2013-08-07 2013-12-11 广东欧珀移动通信有限公司 一种拍摄方法及移动终端
CN103533243A (zh) * 2013-10-16 2014-01-22 深圳市中兴移动通信有限公司 移动终端及其拍摄方法
CN103905730A (zh) * 2014-03-24 2014-07-02 深圳市中兴移动通信有限公司 移动终端的拍摄方法和移动终端
CN104104873A (zh) * 2014-07-16 2014-10-15 深圳市中兴移动通信有限公司 星轨拍摄的方法、物体运动轨迹的拍摄方法和移动终端

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006119999A (ja) * 2004-10-22 2006-05-11 Orion Denki Kk 表示制御機能を備えた電子機器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103442170A (zh) * 2013-08-07 2013-12-11 广东欧珀移动通信有限公司 一种拍摄方法及移动终端
CN103533243A (zh) * 2013-10-16 2014-01-22 深圳市中兴移动通信有限公司 移动终端及其拍摄方法
CN103905730A (zh) * 2014-03-24 2014-07-02 深圳市中兴移动通信有限公司 移动终端的拍摄方法和移动终端
CN104104873A (zh) * 2014-07-16 2014-10-15 深圳市中兴移动通信有限公司 星轨拍摄的方法、物体运动轨迹的拍摄方法和移动终端

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112102190A (zh) * 2020-09-14 2020-12-18 努比亚技术有限公司 图像处理方法、移动终端及计算机可读存储介质

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