μ-Law Based HDR Coding and Its Error Analysis
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概要
- 論文の詳細を見る
In this paper, we propose a coding algorithm for High Dynamic Range Images (HDRI). Our encoder applies a tone mapping model based on scaled µ-Law encoding, followed by a conventional Low Dynamic Range Image (LDRI) encoder. The tone mapping model is designed to minimize the difference between the tone-mapped HDRI and its LDR version. By virtue of the nature of the µ-Law model, not only the quality of the HDRI but also the one of the LDRI is improved, compared with a state of the art in conventional HDRI coding methods. Furthermore the error limit caused by our encoding is theoretically analyzed.
- 2011-03-01
著者
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JINNO Takao
University of Kitakyushu
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OKUDA Masahiro
University of Kitakyushu
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Okuda Masahiro
University Hospital Pharmacy Mie University Graduate School Of Medicine
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Okuda Masahiro
Univ. Kitakyushu Kitakyushu‐shi Jpn
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KAIDA Hironori
University of Kitakyushu
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XUE Xinwei
University of Kitakyushu
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ADAMI Nicola
Brescia University
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Adami Nicola
Brescia Univ. Ita
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