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    • 105. 发明公开
    • Video refresh adaptation algorithms responsive to error feedback
    • AufFehlerrückmeldungansprechende AlgorithmenfürVideoaktualisierungsadaption
    • EP2621173A3
    • 2014-06-25
    • EP13156796.8
    • 2009-04-06
    • QUALCOMM Incorporated
    • Nepomucenoleung, Nikolai, KonradKhanuja, Gurneen, Kaur
    • H04N19/00
    • H04N19/89H04L47/283H04N19/107H04N19/507H04N21/6375
    • In general, this disclosure relates to techniques for adaptively determining a rate for intra-coding segments (e.g., macro-blocks) of video data within a sequence of video units (e.g., frames) in response to the receipt of error feedback that is provided by a video decoder. One example method includes receiving feedback from a video decoder that indicates an error associated with coded video data, and, upon receipt of the feedback, determining a rate for intra-coding a specified number of segments of video data for each video unit within a sequence of video units, wherein an intra-coding of segments of video data within one video unit is independent of a coding of segments of video data within other video units within the sequence.
    • 通常,本公开涉及用于响应于接收到所提供的错误反馈自适应地确定视频单元序列(例如,帧)内的视频数据的帧内编码(例如,宏块)的速率的技术。 由视频解码器。 一个示例性方法包括从视频解码器接收指示与编码视频数据相关联的错误的反馈,并且在接收到反馈后,确定用于对序列内的每个视频单元的指定数量的视频数据段进行帧内编码的速率 其中在一个视频单元内的视频数据段的帧内编码与序列内的其他视频单元内的视频数据段的编码无关。
    • 110. 发明公开
    • Compression of images in a sequence
    • 在einer Abfolge的Komprimierung von Bilder
    • EP2485487A1
    • 2012-08-08
    • EP11153367.5
    • 2011-02-04
    • EgAg Comp.Ltd.
    • Vlaming, Ruud
    • H04N7/26H04N7/36H04N7/50H04N7/18
    • H04N19/00903H04N19/132H04N19/137H04N19/154H04N19/17H04N19/176H04N19/42H04N19/507H04N19/61H04N19/85
    • The present invention relates to a method and system of processing sequences of images, depicting a scene to assemble in the sequence a movie. The method comprises:
      - preprocessing subsequent images individually, to obtain a sequence of preprocessed images;
      - encoding for compression of the preprocessed images by
      * periodically allowing individual images to pass without encoding; and
      * encoding intermediate images in the sequence between the uncompressed images by replacing intermediate images with differences. The method further entails prior to encoding of intermediate images:

      - in at least one of the intermediate images, identifying areas where the intermediate images have not or at least not significantly changed; and
      - replacing the identified areas by corresponding areas from the most recently passed uncompressed image.
    • 本发明涉及一种处理图像序列的方法和系统,其描绘了以电影顺序组合的场景。 该方法包括: - 分别对后续图像进行预处理,以获得预处理图像序列; - 通过*周期性允许单个图像通过而不进行编码的用于压缩预处理图像的编码; 以及*通过用差异替换中间图像来对未压缩图像之间的序列中的中间图像进行编码。 该方法还需要在编码中间图像之前: - 在至少一个中间图像中识别中间图像没有或至少没有显着改变的区域; 以及 - 从最近通过的未压缩图像的相应区域替换所识别的区域。