Color image coding based on the colorization

Takashi Ueno, Taichi Yoshida, Masaaki Ikehara

    研究成果: Conference contribution

    3 被引用数 (Scopus)

    抄録

    Colorization is a method which adds color components to grayscale images using color assigned information provided by the user. Recently, a novel approach to image compression called colorization based coding has been proposed. It automatically extracts color assignations from original color images at an encoder and restores color components by colorization method at a decoder. In this paper, we propose the method which improves the conventional color image coding methods by regarding colorization as interpolation. At the encoder, the proposed method subsamples chrominance components considering colorization and subsampled chrominance components are compressed by conventional methods. At the decoder, subsampled chrominance components are interpolated by colorization. Simulations reveal that the proposed method improves quality of reconstructed images, objectively.

    本文言語English
    ホスト出版物のタイトル2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012
    出版ステータスPublished - 2012 12 1
    イベント2012 4th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012 - Hollywood, CA, United States
    継続期間: 2012 12 32012 12 6

    出版物シリーズ

    名前2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012

    Other

    Other2012 4th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012
    CountryUnited States
    CityHollywood, CA
    Period12/12/312/12/6

    ASJC Scopus subject areas

    • Information Systems

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