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Digital photofinishing system including film under exposure gamma, scene balance, contrast normalization, and image sharpening digital image processing
Digital photofinishing system including film under exposure gamma, scene balance, contrast normalization, and image sharpening digital image processing
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机译:数字照相洗印系统,包括底片曝光伽玛,场景平衡,对比度归一化和图像锐化数字图像处理
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摘要
A method of digital photofinishing comprising the steps of: producing a digital color image in optical printing densities of a color image captured on photographic media; processing the digital color image with an underexposure gamma correction algorithm, a scene balance algorithm, and a contrast normalization algorithm to produce a processed digital color image; mapping the processed digital color image through a hard copy media characteristic curve to produce a mapped digital color image mapped to print densities of the hard copy media; sharpening the mapped digital color image with a sharpening algorithm optimized to avoid unacceptable artifacts; and digitally printing the sharpened digital color image onto hard copy media.
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