A Novel High Dynamic Range Exposure Control for CMOS Image Sensor

A new CMOS image sensor technology using combination rolling shutter to increase the dynamic range is described.Known from former methods,multiple rolling shutters are alternated in a single frame time.According to the different exposure parameters,sensor outputs different images,which combined to a wide dynamic range picture at last.By well using the free circuit resources when rolling shutter,this technology effectively shortens the time spacing between the two adjacent imaging.This presented method makes the rolling shutter interlaced to achieve the multiple imaging of the target object,so it has made a great improvement in term of system efficiency and output response speed.