Jacques-Olivier Klein Lionel Lacassagne Hervé Mathias Sebastien Moutault Antoine Dupret Low Power Image Processing: Analog Versus Digital Comparison. 111-115 2005 conf/camp/2005 CAMP http://doi.ieeecomputersociety.org/10.1109/CAMP.2005.33 db/conf/camp/camp2005.html#KleinLMMD05