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22 April 1996 Mean-matching halftoning on a rotated quad-tree structure
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Proceedings Volume 2657, Human Vision and Electronic Imaging; (1996) https://doi.org/10.1117/12.238742
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States
Abstract
We describe a new halftoning algorithm that uses a multiscale dot distribution procedure over a rotated quad-tree structure. The algorithm ensures that the average graylevel of the grayscale image over any node of the rotated quad-tree is equal to that of the halftone at the same node. This is achieved by first deciding the total number of black and white dots to be placed over the entire halftone, and then distributing the dots recursively to the subregions represented by the nodes of the rotated quad-tree.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ping Wah Wong "Mean-matching halftoning on a rotated quad-tree structure", Proc. SPIE 2657, Human Vision and Electronic Imaging, (22 April 1996); https://doi.org/10.1117/12.238742
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