| 摘要 |
PROBLEM TO BE SOLVED: To perform optimum AE (automatic exposure control) to pickup a high luminance object and a low luminance object. SOLUTION: As a method for outputting picked-up video images of a wide dynamic range, two or the image pickup for the high luminance object and the image pickup for the low luminance object are performed and two video images are mixed and outputted. Then, an exposure processing part 6B of a DSP 6 is provided with a switch 7C switching a signal route for long time exposure and short time exposure, a long time exposure signal processing part 7A performing a signal processing at the long time exposure, a short time exposure signal processing part 7B performing the signal processing at the short time exposure and a mixing part (MIX) 7D mixing signals of the respective exposure processing parts 7A and 7B. Then, by OPDs (optical detection circuits) 18A and 18B provided in the respective exposure signal processing parts 7A and 7B respectively, a luminance distribution is obtained independently at the long time exposure and at the short time exposure respectively and the optimum exposure control is performed. COPYRIGHT: (C)2003,JPO
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