Dynamic reference point depth offset Z value compression algorithm
A technology of depth offset and compression algorithm, which is applied in computing, image data processing, instruments, etc., can solve the problem of large memory data bandwidth, achieve high compressibility, good continuity, and improve the effect of compressibility
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[0039] Original 2 static Z in DO algorithm Min And Z Max Based on the reference point, add a dynamic reference point Z for each pixel Tile Dyn , When a certain pixel depth data in Tile is based on Z Min And Z Max When the compression of the reference points fails, the Z is determined dynamically according to the position of the current compression failure pixel Dyn Insert position, and increase the indicator associated with each offset from 1bit to 2bit, so that in Z Min ,Z Max And Z Dyn Choose between reference points so that based on Z Dyn Offset coverage area of reference point relative to Z Min Or Z Max The reference point is doubled for better coverage. Tile cannot be based on Z Min And Z Max Discrete, non-uniformly distributed pixel depth values covered by the reference point offset, so as to achieve a higher compressibility.
[0040] A dynamic reference point depth migration Z value compression algorithm, the algorithm includes the following steps:
[0041] S1: Ca...
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