Thursday, July 09, 2015

ZeeAnn WDR Technology Summarized

Korea-based ZeeAnn publishes details of its WDR pixel approach on its web site.

The company patent US8797434 "CMOS image sensor having wide dynamic range and sensing method thereof" by Jawoong Lee, Jun Hee Cho, Jong Beom Choi and a more recent patent application US20150189145 with the same name explain:

"The present invention provides a CMOS image sensor and a sensing method thereof, capable of embodying wide dynamic range by simultaneously outputting two or more output signals corresponding to different exposure integration times in a pixel without any need of additional external memories outside the pixel and with relatively simple image processing."

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