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  1. MarkStarr

    Improving resolution of half-toned photographs

    Thanks Jimoblak for the reply. But unfortunately, the scan is not the problem. The limiting resolution of the half-toned image is not the resolution of the scan. It is the original resolution of dots in the half-toned photograph. When a half-tone of a photograph is made, about one-third of...
  2. MarkStarr

    Improving resolution of half-toned photographs

    I am working with some 19th Century photographs which were half-toned when they were later published in books. The original prints and negatives have been lost. Are there any techniques available for improving the resolution of half-toned photographs? I am concerned with enlarging details...

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