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  • SPS
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    Length: 00:11:28
20 Sep 2021

Aperiodic, clustered-dot halftoning can overcome the inherent instability of electrophotographic (EP) printing technologies. In our previous work, we described a screen design algorithm based on Direct Binary Search (DBS) that yields aperiodic, clustered-dot halftone textures. In the present paper, we introduce a new microscreen design algorithm that allows the embedding of binary metadata in an aperiodic, clustered-dot halftone image with no loss of visual quality. We also describe a simple method for decoding the embedded metadata with only a knowledge of the two microscreens used to halftone the continuous-tone image. Our results with one image demonstrate 100% recovery of the embedded metadata.

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  • SPS
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    IEEE Members: $11.00
    Non-members: $15.00