National Tsing Hua University Institutional Repository:Bottom-up saliency detection model based on human visual sensitivity and amplitude spectrum
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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Bottom-up saliency detection model based on human visual sensitivity and amplitude spectrum


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    題名: Bottom-up saliency detection model based on human visual sensitivity and amplitude spectrum
    作者: Yuming Fang;Weisi Lin;Bu-Sung Lee;Chiew Tong Lau;Zhenzhong Chen;Chia-Wen Lin
    教師: 林嘉文
    日期: 2012
    出版者: Institute of Electrical and Electronics Engineers
    關聯: IEEE TRANSACTIONS ON MULTIMEDIA, Institute of Electrical and Electronics Engineers, Volume 14, Issue 1, FEB 2012, Pages 187-198
    關鍵詞: VIDEO COMPRESSION
    GUIDED SEARCH
    TOP-DOWN
    ATTENTION
    IMAGES
    COLOR
    STATISTICS
    GUIDANCE
    SCENE
    PHASE
    摘要: With the wide applications of saliency information in visual signal processing, many saliency detection methods have been proposed. However, some key characteristics of the human visual system (HVS) are still neglected in building these saliency detection models. In this paper, we propose a new saliency detection model based on the human visual sensitivity and the amplitude spectrum of quaternion Fourier transform (QFT). We use the amplitude spectrum of QFT to represent the color, intensity, and orientation distributions for image patches. The saliency value for each image patch is calculated by not only the differences between the QFT amplitude spectrum of this patch and other patches in the whole image, but also the visual impacts for these differences determined by the human visual sensitivity. The experiment results show that the proposed saliency detection model outperforms the state-of-the-art detection models. In addition, we apply our proposed model in the application of image retargeting and achieve better performance over the conventional algorithms.
    相關連結: http:/dx.doi.org/10.1109/TMM.2011.2169775
    http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83632
    顯示於類別:[電機工程學系] 期刊論文
    [光電研究中心] 期刊論文

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