Microsoft-sponsored research on low power image sensor is now published as a patent application US20140232932 "Energy-proportional image sensor" by Robert LiKamWa, Nissanka Arachchige Bodhi Priyantha, Matthai Philipose, Lin Zhong, and Paramvir Bahl. Basically, it says that all the circuits need be to in power down mode during the idle time, and the resolution needs to be lowered when not necessary:
Microsoft Applies for Energy-Optimized Image Sensor Patent
Reviewed by MCH
on
August 30, 2014
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Reviewed by MCH
on
August 30, 2014
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