Image sensor, operating method thereof, and system including same

摘要

A method of operating an image processing system includes storing differences between first analog pixel signals and second analog pixel signals and converting the stored differences to one-bit digital signals, the first analog pixel signals being output from a plurality of pixels and corresponding to a previous frame, and the second analog pixel signals being output from the plurality of pixels and corresponding to a current frame.

主权项

1. A method of operating an image processing system comprising:
storing differences between a plurality of first analog pixel signals and a plurality of second analog pixel signals at respective ones of a plurality of pixel signal difference storage circuits such that each of the plurality of pixel difference storage circuits stores a difference between a respective one of the plurality of first analog pixel signals and a respective one of the plurality of second analog pixel signals, the plurality of first analog pixel signals being output from a plurality of pixels and corresponding to a previous frame, the plurality of second analog pixel signals being output from the plurality of pixels and corresponding to a current frame; and converting each of the stored differences to respective one-bit digital signals.