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    • 43. 发明公开
    • PERCEPTUALLY LOSSLESS AND PERCEPTUALLY ENHANCED IMAGE COMPRESSION SYSTEM&METHOD
    • 免疫球蛋白BILDKOMPRIMIERUNGSSYSTEM UNDERVERHREN
    • EP2774121A2
    • 2014-09-10
    • EP12846150.6
    • 2012-10-29
    • HD2 Technologies Pty. Ltd.
    • TAN, Damian MarcellinusWU, David
    • G06T9/00
    • H04N19/86G06T7/90H04N19/124H04N19/147H04N19/154H04N19/18H04N19/46H04N19/625H04N19/63H04N19/90
    • An apparatus (100) for generating perceptually lossless image data or perceptually enhanced image data including: a color transform unit (102) for color transforming a received image to a desired color space, forming converted color-space (CCS) images; a transform unit (104) for receiving CCS images and transforming the CCS images into transformed CCS images each containing a set of transform coefficients; a quantization unit (106) to quantize the transformed CCS images to form quantized CCS images; an image processor (108, 110) for receiving and processing transformed or quantized CCS images to produce optimized CCS images that are perceptually lossless or perceptually enhanced in quality; and;an encoder (112) for compressing the optimized CCS images; wherein the compressed optimized CCS images are subsequently prepared for storage and/or transmission.
    • 提供一种用于产生感知无损图像数据或感知增强图像数据的装置,包括:颜色变换单元,用于将接收到的图像颜色变换为期望的颜色空间,形成转换的颜色空间(CCS)图像; 用于接收CCS图像并将CCS图像变换成变换的CCS图像的变换单元,每个变换的CCS图像包含一组变换系数; 量化单元,用于量化变换的CCS图像以形成量化的CCS图像; 用于接收和处理变换或量化的CCS图像以产生在感知上无损或感知地提高质量的优化的CCS图像的图像处理器; 以及用于压缩优化的CCS图像的编码器; 其中压缩的优化的CCS图像随后被准备用于存储和/或传输。