Motion estimating method and device in video compression system
A video compression and motion vector technology, applied in the field of motion estimation, can solve the problems of short coding length, small frequency distribution range, no compression effect, etc., and achieve the effect of good compression efficiency
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[0033] see figure 1 , figure 1 It is a flowchart of an embodiment of the method proposed by the present invention. The method proposed by the present invention can be used for motion estimation in a video compression system which divides a current frame into a plurality of blocks. will be detailed below Figure 1 The steps in:
[0034] Step 110: For a current coding block in the current frame, step by step check a plurality of candidate motion vectors (x, y) in a search area, wherein the current coding block includes (i1-i0)×(j1- j0) pixels.
[0035] Step 120: For each candidate motion vector (x, y), calculate the following cost function
[0036] CF ( x , y ) = Σ i = i 0 i 1 Σ j = ...
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