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in ensemble to bildkodierung with correction of the updating of the encoded data and decoding the ensemble to these images and signals
in ensemble to bildkodierung with correction of the updating of the encoded data and decoding the ensemble to these images and signals
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机译:集成到bildkodierung中,并更正编码数据的更新并对这些图像和信号进行解码
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摘要
Sub-assembly for coding images composed of at least one moving pattern on a fixed or quasi-fixed background, comprising means (200, 300) for constructing a basic model representing the useful region of the said images and coding means (400), and associated decoding sub-assembly. The means for model construction comprise means for initial calibration and adaptation of the model, updating means themselves comprising a circuit (301) for determining the motion of characteristic points extracted from the said useful region and a circuit (302) for selecting at least one region of particular interest inside the said useful region and for determining its motion. The coding means comprise a circuit (420) for coding the output signals from the means of initial calibration, and circuits (431, 432) for coding the output signals from the circuits (301, 302), as well as a circuit (433) for correcting, within a region bordering the boundary of the said region or regions of interest, offsets in luminance or chrominance which are observed on either side of the boundary. Application: videophones. IMAGE
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