Fast decision-making method for 3D video depth image quadtree coding structure division
A technology of depth image and decision method, applied in the field of video coding and decoding, can solve the problems of reduced complexity of depth image mode selection algorithm and insufficient consideration of the minimum rate distortion value of Skip mode, so as to reduce coding complexity and reduce coding. time, the effect of reducing complexity
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[0037] What this embodiment shows is a kind of fast decision-making method for the quadtree coding structure division of 3D video depth image, and its process is as follows figure 2 As shown, the steps include:
[0038] Step 1: Obtain the optimal prediction mode of the current coding block, the current coding block and the corresponding rate-distortion value through the traditional coding method;
[0039] Step 2: Determine whether the current coding block is the smallest coding unit: if yes, go to step 8; otherwise, go to step 3;
[0040] Step 3: Divide the current coding block into a quadtree structure, and repeat steps 4 to 7 for each obtained subsidiary coding block;
[0041] Step 4: Carry out the traditional coding method on the current auxiliary coding block, calculate the optimal prediction mode of the auxiliary coding block, and the corresponding rate-distortion value of the auxiliary coding block;
[0042]Step 5: If the current auxiliary coding block is the first on...
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