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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/60069

    Title: A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras
    Authors: Tsai, Chi-Yi;Chou, Chien-Hsing
    Contributors: 淡江大學電機工程學系
    Keywords: low dynamic range image enhancement;dynamic range compression;local contrast enhancement;statistics of visual representation;quantitative evaluation
    Date: 2011-09
    Issue Date: 2011-10-09 20:25:55 (UTC+8)
    Publisher: Heidelberg: SpringerOpen
    Abstract: This article addresses the problem of low dynamic range image enhancement for commercial digital cameras. A novel simultaneous dynamic range compression and local contrast enhancement algorithm (SDRCLCE) is presented to resolve this problem in a single-stage procedure. The proposed SDRCLCE algorithm is able to combine with many existent intensity transfer functions, which greatly increases the applicability of the proposed method. An adaptive intensity transfer function is also proposed to combine with SDRCLCE algorithm that provides the capability to adjustably control the level of overall lightness and contrast achieved at the enhanced output. Moreover, the proposed method is amenable to parallel processing implementation that allows us to improve the processing speed of SDRCLCE algorithm. Experimental results show that the performance of the proposed method outperforms three state-of-the-art methods in terms of dynamic range compression and local contrast enhancement.
    Relation: EURASIP Journal on Image and Video Processing 2011(6), 19pages
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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