Point cloud attribute compression method based on deletion of 0 elements in quantization matrix
A technology of quantization matrix and compression method, which is applied in electrical components, image data processing, instruments, etc., can solve the problems of performance improvement and high computational complexity, and achieve the effect of improving compression performance
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[0042] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.
[0043]A point cloud attribute compression method based on deleting the 0 elements in the quantization matrix of the present invention, aiming at the quantization matrix in the point cloud attribute compression process, adopts the optimal traversal order at the encoding end to make the 0 elements centrally distributed in the generated data stream At the end, entropy encoding is performed after these 0s are deleted to reduce the data volume of the data stream and the code stream generated after encoding. At the decoding end, the deleted 0 elements are restored by combining the geometric information of the point cloud to ensure that this method does not introduce additional error.
[0044] Figure 1a It is a block flow diagram of the encoding end of the method of the present invention. The first step i...
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