A JPEG Codec Adaptive to the Relative Importance of Regions in an Image

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概要

• 論文の詳細を見る

• This paper presents a novel standard-baseline-JPEG-compatible method for still image compression that allows flexible control of the decompression quality of regions in an image. In this way, it not only represents the important parts of the image with higher quality, but also reduces the bit rate as a whole and reflects the human sense of what is important in an image. We use fuzzy technique to determine important regions in a human-like manner, allocating a higher bit rate to important regions and a lower bit rate to the other parts. This paper introduces and describes methods for determining important regions, representing and filling arbitrarily shaped regions, and compressing and decompressing images while adapting to the relative importance of the regions. It also describes some experimental results obtained by using the proposed method.

• 一般社団法人情報処理学会の論文
• 1997-08-15

著者

• Zhao J

  Fukuoka Inst. Technol. Fukuoka‐shi Jpn

• Ohta Koji

  Sony Corporation

• ZHAO JIYING

  Department of Instrumentation Engineering, Faculty of Science and Technology, Keio University

• SHIMAZU YOSHIHISA

  Matsushita Electric Industrial Co. Ltd.

• HAYASAKA RINA

  Department of Instrumentation Engineering, Faculty of Science and Technology, Keio University

• MATSUSHITA YUTAKA

  Department of Instrumentation Engineering, Faculty of Science and Technology, Keio University

• Hayasaka Rina

  Nec Corporation

• Matsushita Y

  Tokyo Univ. Technol.

• Matsushita Yutaka

  Department Of Instrumentation Engineering Faculty Of Science And Technology Keio University

• MATSUSHITA YUTAKA

  Department of Information and Computer Science,Faculty of Science and Technology,Keio University

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