US Patent 9147232 Reducing halo artifacts in electrophotographic printing systems
Patent 9147232 was granted and assigned to Eastman Kodak on September, 2015 by the United States Patent and Trademark Office.
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A method for processing an input image to reduce halo artifacts in an electrophotographic printing system. The input image is automatically analyzed to determine an edge map image indicating light-side edge regions that include edge pixels that are adjacent to edge transitions in the input image and are on a lighter side of the edge transition. At least one edge region dilation operation to the edge map image to expand the light-side edge regions in a direction away from the edge transitions. A corrected image is formed by modifying the input pixels of the input image corresponding to the expanded light-side edge regions to determine corrected pixels having corrected pixel values. The corrected image is then printed using the electrophotographic printing system.
US Patent 09147232 Reducing halo artifacts in electrophotographic printing systems US Patent 9147232 Reducing halo artifacts in electrophotographic printing systems
US Patent 09147232 Reducing halo artifacts in electrophotographic printing systems
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