Research Article
A Computation Complexity Reduction of the Size Decision Algorithm in 3D-HEVC Depth Map Intracoding
Algorithm 1
Proposed size model decision for 3D-HEVC depth map intra coding.
| (1) | Input: coding tree unit | | (2) | Compute the ASMCV of the CTU by equation (2); | | (3) | Compute the variance of the CTU by equation (1); | | (4) | Compute the amplitude by equation (3); | | (5) | If Amp < Th1then | | (6) | Evaluate the rate-distortion cost only for 64 × 64; | | (7) | else if Th1 ≤ Amp < Th2then | | (8) | Evaluate the rate-distortion cost only for 64 × 64 and 32 × 32; | | (9) | else if Th2 ≤ Amp < Th3then | | (10) | Evaluate the rate-distortion cost only for 64 × 64, 32 × 32 and 16 × 16; | | (11) | else if Th3 ≤ Amp < Th4then | | (12) | Evaluate the rate-distortion cost only for 64 × 64, 32 × 32, 16 × 16 and 8 × 8; | | (13) | else if Amp ≥ Th4then | | (14) | Evaluate the rate-distortion cost only for 32 × 32, 16 × 16, 8 × 8 and 4 × 4; | | (15) | end | | (16) | end | | (17) | end | | (18) | end | | (19) | end |
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