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Image‐processing techniques for a consumer video printer
Author(s) -
Kano Hiroshi,
Fujita Hideto,
Fukushima Kiyoshi,
Ito Kazuo
Publication year - 1993
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/1.1984843
Subject(s) - chrominance , computer science , computer vision , artificial intelligence , interpolation (computer graphics) , luminance , image scaling , data compression , video compression picture types , image processing , image (mathematics) , video processing , video tracking
— The image‐processing techniques used in a newly developed video printer are described. The amount of image data is reduced by subsampling the chrominance signals and by data compression. The DPCM algorithm is used for the compression. A field‐interpolation algorithm that takes into account the correlation between diagonal dots is proposed. This algorithm is simple and has better spatial‐frequency characteristics than the bi‐linear interpolation algorithm. A color‐signal‐conversion circuit that enables users to adjust the color, tint, contrast, and luminance after capturing an image is also described.

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