IMAGE INFORMATION PROCESSOR

摘要

PROBLEM TO BE SOLVED: To provide an image information processor capable of picking up an image of an object with sufficient gradation even when the difference between darkness and brightness of the object included in an image pickup area is large.

SOLUTION: This image information processor is provided with a pixel circuit 21 capable of variably setting an exposure time in each pixel in accordance with illumination emitted to a pixel, and a reading out circuit 22 for multiplying a first pixel value outputted from a selected pixel by a prescribed gain corresponding to the first pixel value to calculate a second pixel value.

COPYRIGHT: (C)2003,JPO