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CODING OF COMPONENT OF COLOR ATTRIBUTES IN GEOMETRY-BASED POINT CLOUD COMPRESSION (G-PCC)
CODING OF COMPONENT OF COLOR ATTRIBUTES IN GEOMETRY-BASED POINT CLOUD COMPRESSION (G-PCC)
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机译:基于几何的点云压缩(G-PCC)中颜色属性分量的编码
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摘要
A device for decoding encoded point cloud data can be configured to: for a point of a point cloud, determine a first attribute value for a first color component based on a first predicted value and a first residual value; apply a scaling factor to the first residual value to determine a predicted second residual value, wherein the scaling factor has one or both of a non-integer value or an absolute value greater than one; for the point of the point cloud, receive a second residual value in the encoded point cloud data; determine a final second residual value based on the predicted second residual value and the received second residual value; and for the point of the point cloud, determine a second attribute value for a second color component based on a second predicted value and the final second residual value.
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