| 摘要 |
A method for converting a high resolution greyscale digital image to a color image using a low resolution digital color image of the same area or region. The low resolution color image is first registered to the high resolution greyscale image. For each pixel in the high resolution greyscale image, three color elements (red, green, blue or RGB) are calculated from the value of the pixel in the greyscale image and the color value (RGB) of the pixel at the same location in the registered color image. After this process, the high resolution greyscale image will have red, green and blue color elements (RGB) to be used and displayed as a color image.
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