FIELD: information technology.
SUBSTANCE: several exposures with low signal-to-noise ratio are obtained. Initial images with the best definition are selected from said exposures and a final image with high signal-to-noise ratio and high definition is formed from said exposures. The initial images are selected from groups of exposures, following each other with the mandatory condition that, the exposures in the group either partially overlap in time or the interval between said exposures is not greater than 1/20 of the total exposure time. Images with less exposure are filtered using images with higher exposure, and the final image is formed by merging initial images with different exposure from one group.
EFFECT: high definition and high signal-to-noise ratio of images obtained using mobile photographing devices.
7 dwg, 2 ex
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Authors
Dates
2011-08-10—Published
2009-07-20—Filed