JP2008118573A5 - - Google Patents

Claims (10)

An image sensor in which a large number of pixels are arranged in a matrix;
A mechanical shutter having a shutter curtain that travels to shield the image sensor;
Select multiple rows of the image sensor as a target row, performs a charge reset operation of pixels in sequentially the row for each row with respect to the target row, a reset scan for changing the charge accumulation start time for each row Reset scanning means;
Prior to the travel of the shutter curtain, the reset scanning means changes the target row and executes the reset scanning a plurality of times, and sets the time from the reset scanning to the light shielding by the shutter curtain within the target row. Control means for controlling the exposure time of the pixels of
An imaging apparatus comprising:   The imaging apparatus according to claim 1, wherein the target rows are arranged on the imaging element at a constant period.   The imaging apparatus according to claim 1, wherein the number of times of reset scanning is two, and each target row is alternately selected for each row.   2. The reset scanning is performed twice, and each target row is alternately selected every two rows so that pixels of each color of red, green, and blue are included in the target row. The imaging device described in 1.   The imaging apparatus according to claim 1, wherein the reset scanning is performed three times, and each target row is selected to have a cycle of one row in three rows and different rows.   6. The apparatus according to claim 1, further comprising a combining unit that combines a plurality of images having different exposure states obtained by the plurality of reset scans and a light shielding operation by the shutter curtain. The imaging device according to item.   The first operation mode in which the reset scanning is performed only once and the second operation mode in which the reset scanning is performed a plurality of times can be selected. Imaging device. An imaging element number of pixels in a matrix are arranged, a mechanical shutter having a shutter curtain traveling to shield the imaging device, and select the target row a plurality of rows of the image sensor, the target row A reset scanning unit that sequentially performs charge reset operation of the pixels in the row for each row and performs reset scanning for changing the charge accumulation start time for each row, and a method for controlling an imaging apparatus comprising:
Prior to the travel of the shutter curtain, the reset scanning means changes the target row and executes the reset scanning a plurality of times, and sets the time from the reset scanning to the light shielding by the shutter curtain within the target row. A control method for controlling the exposure time of the pixels of the imaging apparatus. A program for causing a computer to execute the control method according to claim 8.   A computer-readable storage medium storing the program according to claim 9.