Yang, FengLu, YueVetterli, Marti2017-06-132017-06-132017-06-132012https://infoscience.epfl.ch/handle/20.500.14299/138291Method for image acquisition and conversion comprising: low-pass filtering an image by an acquisition lens, producing from said low-pass filtered image an up-sampled image with a first resolution with an up-sampling factor using a image sensor, converting said up-sampled image into a multi-level image with a second resolution lower than said first resolution with an image processing circuit wherein said converting depends on said low-pass filtering of said lens and on said up-sampling factor. Adapted to gigapixel sensors and convention image sensors.patentCN102792671JP5746714JP2013517728EP2526687US8319855CN102792671WO2011089165US201117601944277354