CN113936405A - Alarm method, alarm system and storage medium - Google Patents
Alarm method, alarm system and storage medium Download PDFInfo
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- CN113936405A CN113936405A CN202111170699.2A CN202111170699A CN113936405A CN 113936405 A CN113936405 A CN 113936405A CN 202111170699 A CN202111170699 A CN 202111170699A CN 113936405 A CN113936405 A CN 113936405A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19639—Details of the system layout
- G08B13/19652—Systems using zones in a single scene defined for different treatment, e.g. outer zone gives pre-alarm, inner zone gives alarm
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Abstract
The application discloses an alarm method, an alarm system and a storage medium, which are used for improving the identification accuracy of people and non-people moving objects in an image and further avoiding the condition of false alarm. The method comprises the following steps: acquiring an infrared thermal imaging image containing an alarm area; determining a moving object in the infrared thermographic image; determining a target object of which the temperature information is in a preset interval in the moving object; judging whether the target object enters the alarm area or not; and when the target object enters the alarm area, outputting alarm information. By adopting the scheme provided by the application, the moving object in the image is firstly determined, and then the target object of which the temperature information is in the preset interval in the moving object is determined, so that people and vehicles in the moving object can be further distinguished through the temperature information, the error recognition of people is avoided, the recognition accuracy of people and non-people moving objects in the image is improved, and the condition of false alarm is further avoided.
Description
Technical Field
The present application relates to the field of security monitoring technologies, and in particular, to an alarm method, system and storage medium.
Background
In some working scenes, areas which are not suitable for people to enter, such as a power distribution station, a coal mine underground and the like, have severe requirements on the activity range of workers working in the type of work, in order to prevent the workers from entering the areas which are not suitable for people to enter, the areas are usually brought into an alarm area, then the activity track of the workers is monitored, and when the situation that the workers enter the alarm area is monitored, an alarm is given.
However, monitoring of the movement track of the worker is currently achieved through manual monitoring or image recognition. The manual monitoring not only wastes labor cost, but also can cause omission, and although the image identification reduces the omission, the light of the underground environment and other environments is dark, the moving target can not be accurately identified as a person or a vehicle, and the false identification is easy to generate. In view of the above, it is desirable to provide a scheme for improving the recognition accuracy of human and non-human moving objects in an image, so as to avoid false alarm.
Disclosure of Invention
The application provides an alarm method, an alarm system and a storage medium, which are used for improving the identification accuracy of people and non-people moving objects in images and further avoiding the condition of false alarm.
The application provides an alarm method, which comprises the following steps:
acquiring an infrared thermal imaging image containing an alarm area;
determining a moving object in the infrared thermographic image;
determining a target object of which the temperature information is in a preset interval in the moving object;
judging whether the target object enters the alarm area or not;
and when the target object enters the alarm area, outputting alarm information.
The beneficial effect of this application lies in: the method comprises the steps of firstly determining a moving object in an image, and then determining a target object of which the temperature information is in a preset interval in the moving object, so that people and vehicles in the moving object can be further distinguished through the temperature information, the error recognition of people is avoided, the recognition accuracy of people and non-people moving objects in the image is improved, and the condition of false alarm is avoided.
In one embodiment, the acquiring an infrared thermographic image containing an alarm region comprises:
receiving an infrared thermal imaging video which is sent by an infrared thermal imager positioned in an alarm area and contains the alarm area;
and intercepting multiple continuous infrared thermal imaging images in the infrared thermal imaging video according to a preset time interval.
In one embodiment, the determining the moving object in the infrared thermographic image comprises:
comparing the multiple frames of continuous thermal imaging images;
determining a changed area in the thermal infrared imaging image according to the comparison result;
and determining the moving object in the infrared thermal imaging image according to the changed area.
In one embodiment, the determining a target object of which the temperature information is in a preset interval in the moving object includes:
acquiring color information of each moving object;
determining the temperature of the moving object according to the color information of the moving object;
and determining a target object of which the temperature information is in a preset interval in the moving object according to the temperature of the moving object.
In one embodiment, the determining the temperature of the moving object according to the color information of the moving object includes:
acquiring a corresponding relation table of the color and the temperature of a moving object in an infrared thermal imaging image;
and determining the temperature of the moving object according to the color information of the moving object and the corresponding relation table.
In one embodiment, the method further comprises:
receiving a marking operation on the infrared thermal imaging image;
marking the alarm area in the infrared thermography image based on an edge line.
In one embodiment, the determining whether the target object enters the alarm area includes:
judging whether a target object in the infrared thermal imaging is located in an edge line corresponding to the alarm area;
and when the target object in the infrared thermal imaging is positioned in the edge line, determining that the target object enters the alarm area.
In one embodiment, when the target object enters the alarm area, outputting alarm information includes:
judging whether the alarm area is in a defense deploying state at present;
when the alarm area is in a defense deploying state at present, the staying time of the target object in the alarm area is judged;
and outputting alarm information when the staying time of the target object in the alarm area reaches a preset time.
The beneficial effect of this embodiment lies in: only when the alarm area is in the arming state at present and the staying time of the target object in the alarm area reaches the preset time, the alarm information is output, the situation that the alarm area is in the disarming state or the target object stays in the alarm area for a short time less than the preset time to cause false alarm is avoided, and the alarm accuracy is further improved.
The present application further provides an alarm system, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to implement the alert method of any of the above embodiments.
The present application further provides a computer storage medium, wherein when instructions in the storage medium are executed by a processor corresponding to the alarm system, the alarm system can implement the alarm method described in any of the above embodiments.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present application is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the application and together with the description serve to explain the application and not limit the application. In the drawings:
FIG. 1 is a flow chart of an alarm method in an embodiment of the present application;
FIG. 2 is a flow chart of an alarm method in another embodiment of the present application;
FIG. 3 is a flow chart of an alarm method according to another embodiment of the present application;
fig. 4 is a schematic diagram of a hardware structure of an alarm system in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present application will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein only to illustrate and explain the present application and not to limit the present application.
Fig. 1 is a flowchart of an alarm method according to an embodiment of the present application, and as shown in fig. 1, the method can be implemented as the following steps S11-S15:
in step S11, acquiring an infrared thermography image containing the alarm area;
in step S12, a moving object in the infrared thermographic image is determined;
in step S13, a target object of which temperature information is in a preset interval in the moving object is determined;
in step S14, it is determined whether the target object enters an alarm area;
in step S15, when the target object enters the warning area, warning information is output.
The thermal imaging technology is that an infrared detector and an optical imaging objective lens are utilized to receive an infrared radiation energy distribution pattern of a detected target and reflect the infrared radiation energy distribution pattern on a photosensitive element of the infrared detector, so that an infrared thermal image is obtained, and the thermal image corresponds to a thermal distribution field on the surface of an object. Traditionally, thermal infrared imagers have been used to convert the invisible infrared energy emitted by an object into a visible thermal image. The different colors on the thermal image represent the different temperatures of the object being measured. Thermal imaging techniques are based on the fact that all objects generate heat. Although many objects do not look like it is still cool or hot. The temperature distribution can be seen by means of the colors on the heat map, red, pink indicating relatively high temperatures and blue and green indicating lower temperatures. The light is visible light and is an electromagnetic wave that human eyes can feel. The wavelengths of visible light are: 0.38-0.78 micron. Electromagnetic waves shorter than 0.38 microns and longer than 0.78 microns are not perceptible to the human eye. Electromagnetic waves shorter than 0.38 microns are outside the violet visible spectrum and are called ultraviolet, and electromagnetic waves longer than 0.78 microns are outside the red visible spectrum and are called infrared. Infrared, also known as infrared radiation, refers to electromagnetic waves having a wavelength of 0.78 to 1000 microns. Wherein the part with the wavelength of 0.78-2.0 microns is called near infrared, and the part with the wavelength of 2.0-1000 microns is called thermal infrared. The camera images to obtain photos, and the television camera images to obtain television images, which are all visible light images. In nature, all objects can radiate infrared rays, so that the difference in infrared rays between the object itself and the background is measured by a detector and different infrared images can be obtained, and the image formed by thermal infrared rays is called a heat map. The thermal image of the target is different from the visible light image of the target in that it is not the visible light image of the target that the human eye can see, but rather the surface temperature distribution image of the target, in other words, infrared thermal imaging makes the human eye not directly see the surface temperature distribution of the target, becoming a thermal image that the human eye can see representing the surface temperature distribution of the target. Generally, thermal imaging is mainly used for measuring temperature of people and objects, and temperature measurement early warning monitoring is carried out by setting the maximum value, the minimum value or the average value of the temperature.
In the application, an infrared thermal imaging image containing an alarm area is obtained; specifically, an infrared thermal imaging video containing an alarm area and sent by an infrared thermal imager located in the alarm area can be received; and then intercepting a plurality of continuous infrared thermal imaging images in the infrared thermal imaging video according to a preset time interval.
Determining a moving object in the infrared thermography image; specifically, multiple frames of continuous thermal imaging images are compared; determining a changed area in the thermal infrared imaging image according to the comparison result; and determining the moving object in the infrared thermal imaging image according to the changed area. Specifically, after multiple frames of continuous images are compared, the changed area in the thermal infrared imaging image is determined according to the comparison result. The pedestrian is supposed to be shot by the infrared thermal imaging image, the pedestrian moves relative to the camera system in the three-dimensional space, the imaging of the pedestrian in the camera system is changed, so that the same target has different images, namely the positions of the pedestrian in the images at different time points are different, therefore, when multiple frames of continuous thermal imaging images are compared, a changed area, namely an area containing the pedestrian in the images can be obtained, and then the area or the boundary of the area is extracted.
In the above steps, the characteristics of the target image that has changed are found out, so as to locate the moving object, and the direction of another feature extraction in the image recognition is to find out the characteristics of the target image that has moved or has not changed no matter what the movement of the target is, and such characteristics or feature quantities are called invariance or invariance respectively. These invariance quantities reflect the inherent differences between the identity or pattern of the same target or class of targets on the visual information from which the system can more easily make the correct classification decision, e.g., thermal infrared imagers, which convert the invisible infrared energy emitted by an object into a visible thermal image. The different colors on the thermal image represent the different temperatures of the object being measured. In general, when a pedestrian walks, the vehicle moves in a moving process, the temperature variation is small, and the temperature variation of the degree is reflected on the color variation of the thermal image and can be ignored. Since the temperature change caused by the motion of the moving object is negligible, the color of the moving object on the thermal image can be considered as invariant or invariant. Therefore, in the application, a target object of which the temperature information is in a preset interval in the moving object is determined; specifically, color information of each moving object is obtained; determining the temperature of the moving object according to the color information of the moving object; and determining a target object of which the temperature information is in a preset interval in the moving object according to the temperature of the moving object. Wherein determining the temperature of the moving object according to the color information of the moving object comprises: acquiring a corresponding relation table of the color and the temperature of a moving object in an infrared thermal imaging image; and determining the temperature of the moving object according to the color information of the moving object and the corresponding relation table.
And when the target object enters the alarm area, outputting alarm information.
If only confirm moving object, can't judge that moving object is people or car, and thermal imaging technique is realized according to the fact that all objects all generate heat, but meets that ambient temperature and surveyed target object temperature difference are less or the same, will obviously promote for the degree of difficulty of only passing through heat capture target, reduces the rate of accuracy of the degree of difficulty of discerning. Based on this, in the present application, at the time of feature extraction, both the target image characteristics that have changed (i.e., the motion characteristics of the object) and invariance or invariance that has not changed (i.e., the color of the moving object) are found. Therefore, the feature extraction can be more accurate, and the image features used for representing human and non-human moving objects in the image can be more accurately distinguished. Under the condition that people and non-people moving objects in the image can be more accurately distinguished, the condition that the vehicle is mistakenly identified as the people is reduced, and therefore the probability of false alarm is reduced.
Secondly, assuming that a plurality of alarm areas exist, an execution main body (such as a processor) of the application can record each alarm area, number each alarm area, and then judge whether equipment in the alarm area is in a power-on working state or not. When alarming, whether the alarming area is in the defense deploying state or not can be judged, and when the alarming area is in the defense deploying state, the staying time of the target object in the alarming area is judged; and when the staying time of the target object in the alarm area reaches the preset time, outputting alarm information.
The thermal imaging technology is mainly used for detecting and identifying the violation behaviors of the personnel in a working scene with one or more alarm areas like a coal mine, the behaviors of the personnel are identified through the thermal imaging camera, and the generated violation behaviors are alarmed and reminded. Specifically, the detection of the person is performed by a thermal imaging technology, that is, a target object in which the temperature information in the infrared thermal imaging image is in a preset range is determined, for example, the target object may be a worker. And analyzing the behavior through a detection algorithm, namely judging whether the target object enters an alarm area through the detection algorithm. And transmitting the analysis result into a control signal for outputting. For example, when the target object enters an alarm area, a control signal is output to an alarm device to control the alarm device to output alarm information, wherein the alarm device may be located in the alarm area, which may be a speaker, for performing a voice alarm.
In addition, in the present application, the device of the alarm area in the image needs to be consistent with the range of the actual alarm area, and the specific alarm area is determined according to the actual working condition of the device, for example, in order to avoid the mutual influence between the staff and the device, the traveling route of the device, the activity area of the device, and the like, the alarm area may be set, and when the alarm area is specifically set, the alarm area may be marked in the infrared thermography image through one or more edge lines. When the specific identification alarms, the identification can be carried out in a single line mode, for example, the shape matched with the actual alarm area is identified in the infrared thermal imaging image through an edge line. In addition, the alarm area can also be identified in a multi-line mode, for example, the alarm area is arranged on the periphery of the alarm area, namely the alarm area with an area larger than that of the alarm area and a shape similar to that of the alarm area is arranged on the periphery of the edge line corresponding to the alarm area, and the shape matched with the alarm area are identified through the edge line, so that a double-line area is formed. When judging whether the target object enters the alarm area, if the target object enters the early warning area and contacts the alarm area, the target object can be considered to enter the alarm area.
The beneficial effect of this application lies in: the method comprises the steps of firstly determining a moving object in an image, and then determining a target object of which the temperature information is in a preset interval in the moving object, so that people and vehicles in the moving object can be further distinguished through the temperature information, the error recognition of people is avoided, the recognition accuracy of people and non-people moving objects in the image is improved, and the condition of false alarm is avoided.
In one embodiment, the above step S11 may be implemented as the following steps A1-A2:
in the step A1, receiving an infrared thermal imaging video containing an alarm area, which is sent by an infrared thermal imager located in the alarm area;
in step a2, frames of consecutive infrared thermographic images in the infrared thermographic video are intercepted according to a preset time interval.
In one embodiment, as shown in FIG. 2, the above step S12 can be implemented as the following steps S21-S23:
in step S21, a plurality of frames of consecutive thermographic images are compared;
in step S22, determining a region in the thermal infrared imaging image where the change occurs according to the comparison result;
in step S23, a moving object in the infrared thermographic image is determined from the changed region.
In this embodiment, after comparing multiple frames of continuous images, a region in which a change occurs in the thermal infrared imaging image is determined according to the comparison result. The pedestrian is supposed to be shot by the infrared thermal imaging image, the pedestrian moves relative to the camera system in the three-dimensional space, the imaging of the pedestrian in the camera system is changed, so that the same target has different images, namely the positions of the pedestrian in the images at different time points are different, therefore, when multiple frames of continuous thermal imaging images are compared, a changed area, namely an area containing the pedestrian in the images can be obtained, then the area or the boundary of the area is extracted, and the moving object in the area is determined according to the area or the boundary of the area.
In one embodiment, as shown in FIG. 3, the above step S13 can be implemented as the following steps S31-S33:
in step S31, color information of each moving object is acquired;
in step S32, determining the temperature of the moving object from the color information of the moving object;
in step S33, a target object in the moving object whose temperature information is in a preset section is determined according to the temperature of the moving object.
In one embodiment, the above step S32 can be implemented as the following steps B1-B2:
in step B1, a correspondence table of the color and temperature of the moving object in the infrared thermography image is obtained;
in step B2, the temperature of the moving object is determined based on the color information of the moving object and the correspondence table.
In one embodiment, the method may also be implemented as the following steps C1-C2:
in step C1, a marking operation on the infrared thermographic image is received;
in step C2, an alarm region is marked in the infrared thermographic image based on the edge line.
The alarm region may be marked in the infrared thermographic image by one or more edge lines. When the specific identification alarms, the identification can be carried out in a single line mode, for example, the shape matched with the actual alarm area is identified in the infrared thermal imaging image through an edge line. In addition, the alarm area can also be identified in a multi-line mode, for example, the alarm area is arranged on the periphery of the alarm area, namely the alarm area with an area larger than that of the alarm area and a shape similar to that of the alarm area is arranged on the periphery of the edge line corresponding to the alarm area, and the shape matched with the alarm area are identified through the edge line, so that a double-line area is formed.
In addition, in some cases, the alarm region is located in a middle region of the infrared thermographic image, and in some cases, the alarm region may also be adjacent to an edge of the infrared thermographic image. For example, when the alarm region is located in the middle region of the infrared thermography image, the corresponding edge lines of the alarm region can form an irregular closed region in the infrared thermography image. And when the part of the alarm area falls into the infrared thermal imaging image, the edge line of the alarm area may be one or more lines, for example, the left half part of the infrared thermal imaging is the alarm area, and the right half part of the infrared thermal imaging is the non-alarm area, then the edge line is a dividing line between the alarm area and the non-alarm area in the infrared thermal imaging image, in this case, direction configuration is required, the direction is configured to be leftward, the movement trend of the target object is analyzed through continuous infrared thermal imaging images, when the movement trend of the target object is that the target object moves leftward in the non-alarm area, it can be determined that the target object is approaching the alarm area, in this case, an alarm can be given when the distance from the target object to the alarm area is less than a preset distance threshold, and it is not necessary to wait until the target object enters the alarm area. When the movement trend of the target object is to move to the right in the non-alarm area, it is determined that the target object is moving away from the alarm area.
Thus, the present application may also be implemented as: analyzing the movement trend of the target object through continuous infrared thermal imaging images, judging whether the target object approaches the alarm area or not according to the movement trend of the target object and preset direction information, and outputting alarm information when the target object approaches the alarm area and the distance between the target object and the alarm area is smaller than a preset distance threshold value.
In one embodiment, the above step S14 can be implemented as the following steps D1-D2:
in step D1, it is determined whether the target object in the infrared thermography is located within the edge line corresponding to the alarm area;
in step D2, when the target object is located within the margin line in the infrared thermal imaging, it is determined that the target object enters the alarm area.
In the method, a crossing and line-touching mechanism is set to judge whether a target object in infrared thermal imaging is located in an edge line corresponding to an alarm area; namely, whether the target object passes through the edge line corresponding to the alarm area or not is judged, and when the target object is located in the edge line in the infrared thermal imaging, the target object is determined to enter the alarm area.
Of course, the double-line region is described in the above embodiment, so that, in the present application, if the thermal imaging image includes the double-line region, if the target object crosses the edge line corresponding to the warning region and touches the boundary line corresponding to the warning region, it is determined that the target object enters the warning region.
In one embodiment, the above step S15 can be implemented as the following steps E1-E3:
in step E1, it is determined whether the alarm area is currently in a armed state;
in step E2, when the alarm area is currently in the armed state, determining the staying time of the target object in the alarm area;
in step E3, when the stay time of the target object in the alarm area reaches a preset time, alarm information is output.
In the embodiment, whether the alarm area is in a defense deploying state at present is judged; when the alarm area is in the defense deploying state at present, the staying time of the target object in the alarm area is judged, and when the staying time of the target object in the alarm area reaches the preset time, alarm information is output.
It should be noted that, in such a case that the target object is already inside the alarm area, the preset time is set to be short, for example, 1 second or even 0 second, that is, an alarm is given immediately. In this case, when the target object is in the warning area and is in line contact with the edge of the warning area, the preset time may be set to be appropriately longer, for example, 5 seconds, 8 seconds, or the like.
The beneficial effect of this embodiment lies in: only when the alarm area is in the arming state at present and the staying time of the target object in the alarm area reaches the preset time, the alarm information is output, the situation that the alarm area is in the disarming state or the target object stays in the alarm area for a short time less than the preset time to cause false alarm is avoided, and the alarm accuracy is further improved.
Fig. 4 is a schematic diagram of a hardware structure of an alarm system in an embodiment of the present invention. As shown in fig. 4, includes:
at least one processor 420; and the number of the first and second groups,
a memory 404 communicatively coupled to the at least one processor 420; wherein,
the memory 404 stores instructions executable by the at least one processor 420 to implement an alert method as described in any of the above embodiments.
Referring to fig. 4, the alarm system 400 may include one or more of the following components: processing components 402, memory 404, power components 406, multimedia components 408, audio components 410, input/output (I/O) interfaces 412, sensor components 414, and communication components 416.
The overall operation of the alarm system 400 is generally controlled by a processing component 402, which processing component 402 is used, for example, to construct a small sample object detection network model, a small sample network classification model, and the like. The processing component 402 may include one or more processors 420 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 402 can include one or more modules that facilitate interaction between the processing component 402 and other components. For example, the processing component 402 can include a multimedia module to facilitate interaction between the multimedia component 408 and the processing component 402.
The multimedia component 408 includes a screen that provides an output interface between the alarm system 400 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 408 may also include a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the alarm system 400 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 410 is configured to output and/or input audio signals. For example, audio component 410 includes a Microphone (MIC) configured to receive external audio signals when alarm system 400 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 404 or transmitted via the communication component 416. In some embodiments, audio component 410 also includes a speaker for outputting audio signals.
The I/O interface 412 provides an interface between the processing component 402 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The communication component 416 is configured to enable the alarm system 400 to provide communication capabilities with other devices and cloud platforms in a wired or wireless manner. The alarm system 400 may have access to a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 416 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the alarm system 400 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described alarm methods.
The present application further provides a computer storage medium, wherein when instructions in the storage medium are executed by a processor corresponding to the alarm system, the alarm system can implement the alarm method described in any of the above embodiments.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An alarm method, comprising:
acquiring an infrared thermal imaging image containing an alarm area;
determining a moving object in the infrared thermographic image;
determining a target object of which the temperature information is in a preset interval in the moving object;
judging whether the target object enters the alarm area or not;
and when the target object enters the alarm area, outputting alarm information.
2. The method of claim 1, wherein said acquiring an infrared thermographic image containing an alarm region comprises:
receiving an infrared thermal imaging video which is sent by an infrared thermal imager positioned in an alarm area and contains the alarm area;
and intercepting multiple continuous infrared thermal imaging images in the infrared thermal imaging video according to a preset time interval.
3. The method of claim 2, wherein said determining a moving object in said infrared thermographic image comprises:
comparing the multiple frames of continuous thermal imaging images;
determining a changed area in the thermal infrared imaging image according to the comparison result;
and determining the moving object in the infrared thermal imaging image according to the changed area.
4. The method of claim 1, wherein the determining of the target object of which the temperature information is in a preset interval in the moving object comprises:
acquiring color information of each moving object;
determining the temperature of the moving object according to the color information of the moving object;
and determining a target object of which the temperature information is in a preset interval in the moving object according to the temperature of the moving object.
5. The method of claim 4, wherein determining the temperature of the moving object from the color information of the moving object comprises:
acquiring a corresponding relation table of the color and the temperature of a moving object in an infrared thermal imaging image;
and determining the temperature of the moving object according to the color information of the moving object and the corresponding relation table.
6. The method of claim 1, wherein the method further comprises:
receiving a marking operation on the infrared thermal imaging image;
marking the alarm area in the infrared thermography image based on an edge line.
7. The method of claim 1, wherein said determining whether the target object enters the alert area comprises:
judging whether a target object in the infrared thermal imaging is located in an edge line corresponding to the alarm area;
and when the target object in the infrared thermal imaging is positioned in the edge line, determining that the target object enters the alarm area.
8. The method of claim 1, wherein outputting alert information when the target object enters the alert area comprises:
judging whether the alarm area is in a defense deploying state at present;
when the alarm area is in a defense deploying state at present, the staying time of the target object in the alarm area is judged;
and outputting alarm information when the staying time of the target object in the alarm area reaches a preset time.
9. An alarm system, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to implement the alert method of any one of claims 1-8.
10. A computer storage medium, wherein instructions in the storage medium, when executed by a processor corresponding to an alarm system, enable the alarm system to implement the alarm method of any one of claims 1-8.
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