| 摘要 |
An image pickup device picks up an image. An image signal in association with the image is filtered in a time axis direction using a digital low-pass filter to generate an image signal having a reduced dynamic resolution power, which is equivalent to an image signal that would be obtained at a longer exposure time. The filtered signal is then subjected to frame skipping processing to generate an output image signal having a preferred frame period. The resultant signal is equivalent to one obtained by a slow shooting.
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