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Using rough rule of thumb, and assuming powers of 2 for convenience, what image size are about the smallest images that can be expected to be reasonably free of objectionable sampling checkerboards and false contouring?

mhmadesk
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2022-06-04
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Using rough rule of thumb, and assuming powers of 2 for convenience, what image size are about the smallest images that can be expected to be reasonably free of objectionable sampling checkerboards and false contouring?

  1. 512*512pixels and 16 gray levels
  2. 256*256pixels and 64 gray levels
  3. 64*64pixels and 16 gray levels
  4. 32*32pixels and 32 gray levels
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mhmadesk
2022-06-04
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 (b).256*256pixels and 64 gray levels

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