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A METHOD OF COLOR INTERPOLATING A FINAL MISSING COLOR SUB-PIXEL VALUE AND AN APPARATUS THEREOF
A METHOD OF COLOR INTERPOLATING A FINAL MISSING COLOR SUB-PIXEL VALUE AND AN APPARATUS THEREOF
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机译:一种对最终缺失的彩色亚像素值进行色彩插值的方法及其装置
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摘要
A color interpolation method uses a first interpolation function (F1) to obtain a first missing color sub-pixel value for a pixel of interest and uses a second interpolation function (F2) to obtain a second missing color sub-pixel value for the pixel of interest. First metric (V) indicative of an edge extending in a first direction (D1) is obtained. Second metric (H) indicative of an edge extending in a second direction (D2) is obtained. The two metrics are used to generate first and second weighting factors (k1, k2). A confidence factor value can be used to place more emphasis on one metric versus the other metric in the determination of the weighting factors. In one embodiment, the sub-pixel value being interpolated is the weighted sum of the first weighting factor multiplied by the first missing color sub-pixel value plus the second weighting factor multiplied by the second missing color sub-pixel value.
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