IMAGE PROCESSING METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Jul 31, 2012
filing date -
Sep 21, 2011
priority date (Note) -
Abandoned
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Abstract
An image processing method and apparatus for obtaining a wide dynamic range image, the method including: obtaining a plurality of low dynamic range images having different exposure levels for a same scene; generating motion map representing whether motion occurred, depending on brightness ranks of the plurality of low dynamic range images; obtaining weights for the plurality of low dynamic range images; generating a weight map by combining the weights and the motion map; and generating a wide dynamic range image by fusing the plurality of low dynamic range images and the weight map. According to the image processing method and apparatus, it is possible to accurately detect motion area using a rank map, obtain a wide dynamic range image at a higher operation speed, and reduce a possibility that a phenomenon such as color warping occurs by directly combining images without using a tone mapping process.
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