JP2018182580A5 - - Google Patents

Claims (18)

A plurality of pixels, which are arranged in a matrix and generate electric signals by receiving light, are sequentially exposed at least row by row from the first row to the last row of the plurality of pixels, and the exposure is completed. An image sensor of a rolling shutter system, which repeats the process of outputting the electric signal for each frame in order from the row
A control unit that repeats control for synchronizing, for each frame, a light receiving period in which the plurality of pixels receive light and a global exposure period that is common to the exposure period of each row of the plurality of pixels,
An image pickup apparatus including.   The image pickup apparatus according to claim 1, wherein the control unit controls the light receiving period to synchronize the light receiving period with the global exposure period.   The imaging device according to claim 2, wherein the control unit controls the light reception period by controlling the emission timing of the light emitted from the light source device. Further comprising a light blocking filter for blocking light traveling to the plurality of pixels,
The imaging device according to claim 2, wherein the control unit controls the light receiving period by controlling a light blocking filter. Wherein the control unit, the light receiving period is controlled so as to match the global exposure period and substantially, the imaging apparatus according to any one of claims 1 to 4. Wherein the control unit, the light receiving period is controlled to be shorter than the period for which the global exposure, the imaging apparatus according to any one of claims 1 to 4. The control unit is
The type of light received by the plurality of pixels is changed for each frame,
A control for synchronizing a first light receiving period in which the plurality of pixels receives the first light and the global exposure period are executed at least every two frames,
A control for synchronizing the global exposure period and the second light receiving period in which the plurality of pixels for receiving the second light said first light and different types, executes at least every two frames, according to claim 1 to 6 the imaging apparatus according to any one of. The plurality of pixels outputs a first electric signal by receiving the first light, and outputs a second electric signal by receiving the second light,
The signal processing unit according to claim 7, further comprising a signal processing unit configured to combine a first image based on the first electric signal and a second image based on the second electric signal to generate a third image. Imaging device.   The imaging device according to claim 8, wherein the signal processing unit superimposes information obtained from the second image on the first image to generate the third image.   The signal processing unit generates the information corresponding to a portion of the second image whose brightness is equal to or higher than a threshold value, and superimposes the information on the first image to generate the third image. Item 9. The imaging device according to item 9.   The image pickup apparatus according to claim 10, wherein the signal processing unit adds a color according to the brightness of the portion to the information. The signal processing section, as the information, the marker or contour component to be superimposed on the first image to generate the third image, the imaging apparatus according to any one of claims 9 to 11. The wavelength band of the combined wavelength band of the first light in a wavelength band and the second light is consistent with the spectral sensitivity band in the imaging apparatus, an imaging apparatus according to any one of claims 9 to 12 .. The control unit responds to a user instruction.
A first mode in which a control for synchronizing a first light receiving period in which the plurality of pixels receives a first light and the global exposure period are executed for each frame;
The control of changing the type of light received by the plurality of pixels for each frame and synchronizing the first light receiving period in which the plurality of pixels receive the first light with the global exposure period is performed at least every two frames. A second light-receiving period in which the plurality of pixels receive second light of a different type from the first light and the global exposure period are synchronized at least every two frames. switch between modes, an imaging apparatus according to any one of claims 1 to 6. A plurality of image sensors including the image sensor,
It said plurality of said plurality of pixels of the image sensor, respectively, and outputs an electric signal by receiving the corresponding type of optical imaging device according to any one of claims 1 to 14. The controller, as the brightness of the image based on the electrical signal is a predetermined brightness, and controls the light received by the plurality of pixels, the image pickup according to any one of claims 1 to 6 apparatus.   The control unit controls at least one of a luminous flux of light received by the plurality of pixels and the light receiving period so that the brightness of the image becomes the predetermined brightness. Imaging device. A plurality of pixels, which are arranged in a matrix and generate electric signals by receiving light, are sequentially exposed at least row by row from the first row to the last row of the plurality of pixels, and the exposure is completed. Is a control program for controlling an image pickup apparatus equipped with a rolling shutter type image sensor, which repeats the process of outputting the electric signal for each frame in order from the row,
The control of synchronizing the light receiving period in which the plurality of pixels receives light and the global exposure period common to the exposure period of each row of the plurality of pixels is repeated for each frame.
Control program.