Digital halftoning using a generalized Peano scan
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説明
There are many kinds of image processing that are essentially sequential. Raster scan is commonly used for such sequential operations, to scan images from left to right, and line by line. Another scanning, called the Peano scan, traverses an image from a pixel to its neighboring one and the direction frequently changes. This scan prevents from producing periodic patterns, which are sometimes observed in images transformed in raster scan line order. However, the Peano scan is applied to only square images, and the horizontal and vertical sizes must be a power of two. We present a new scanning, called a ternary scan, which has the same property as the Peano scan and can fit to any rectangular images. Application of the ternary scan to Floyd-Steinberg's halftoning is shown.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 1606 912-, 1991-11-01
SPIE
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詳細情報 詳細情報について
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- CRID
- 1873116917462864768
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- DOI
- 10.1117/12.50378
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- ISSN
- 0277786X
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- データソース種別
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- OpenAIRE