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Chroma Replacing and adaptive Chroma Blending for subpixel-based downsampling

  • Hong Kong University of Science and Technology
  • University of Science and Technology of China

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Subpixel-based downsampling generates images with higher apparent resolution with the expense of annoying color-fringing artifacts near strong edges. In this paper we propose two methods that find a balance in the tradeoff of apparent resolution and color-fringing artifacts. The first method is called Chroma Replacing in which the color-fringing artifacts are completely removed but the subpixel rendering effect is also removed. The second one is called Chroma Blending in which only the color-fringing artifacts that are strong enough to be noticed are removed, and also the subpixel rendering effect is retained. We also propose two objective measures for measuring the similarity of downsampled image to the original image. Experiment results show that the proposed methods are effective in removing color-fringing artifacts, without harming the high apparent resolution.

源语言英语
主期刊名2013 IEEE International Workshop on Multimedia Signal Processing, MMSP 2013
出版商IEEE Computer Society
212-217
页数6
ISBN(印刷版)9781479901258
DOI
出版状态已出版 - 2013
已对外发布
活动15th IEEE International Workshop on Multimedia Signal Processing, MMSP 2013 - Pula, Sardinia, 意大利
期限: 30 9月 20132 10月 2013

丛书

姓名2013 IEEE International Workshop on Multimedia Signal Processing, MMSP 2013

会议

会议15th IEEE International Workshop on Multimedia Signal Processing, MMSP 2013
国家/地区意大利
Pula, Sardinia
时期30/09/132/10/13

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