I-029 Angular-based Residual Signal Coding of Intra Depth Map in 3D-HEVC

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  • I-029 3D-HEVCにおけるイントラデプスマップの方向性残差信号符号化方式(I分野:グラフィクス・画像,一般論文)

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Coding of depth map data in 3D-HEVC utilizes depth look-up table(DLT) to reduce the residual signal of depth map. The resulting table is then utilized to quantize depth residual data for each of coding units during coding process, thus additional time consumption becomes necessary. To overcome this problem, we propose a method of complementing the DLT with comparable arithmetic function by mapping the residual data in intra mode into two nonzero integer signals according to the area of the prediction mode of the current depth block. Expriment results in HTM10.0 provide BD-rate gain up to 0.03% and running time reduction up to 3%.

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