A Compression Method Applicable to 3D Mesh Sequence
A technology of three-dimensional grid and compression method, which is applied in image data processing, instrumentation, calculation, etc., and can solve the problems of inability to achieve compression efficiency, geometric image sequences that cannot effectively maintain the geometric correlation of three-dimensional grid sequences, and different topological connection relationships, etc. question
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[0014] This compression method is suitable for 3D mesh sequences, the method includes the following steps:
[0015] (1) Use the thin plate spline function TPS to perform non-rigid registration on the geometric image sequence. The geometric image sequence is a known three-dimensional grid sequence generated by parameterization and resampling;
[0016] (2) Using the image compression algorithm JPEG2000 to compress the residuals between the frames of the geometric image sequence registered in step (1).
[0017] Since the 3D mesh sequence is a dynamic sequence that changes in time order, although the topological connections of each frame are different, the subjective difference between adjacent frames of the original 3D mesh sequence is not obvious, and the geometry generated after parameterization and resampling In the image sequence, there will be a large difference between adjacent frames. Therefore, the geometric image sequence is registered through the thin plate spline funct...
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