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This paper presents an in-loop adaptive color-space transform for the HEVC Screen Content Coding extension. In the proposed method, the prediction residual is adaptively converted into a different color space to reduce the cross-component redundancy. After the ACT, the signal is coded following the existing HEVC framework. To keep the complexity as low as possible, fixed color-space transforms that...
In this paper, a novel algorithm is proposed for intra-frame coding, named as rate-distortion optimized transform (RDOT). Unlike existing intra-frame coding schemes where the transform matrices are either fixed or mode dependent, in the proposed algorithm, transform is implemented with multiple candidate transform matrices. With this flexibility, for coding each residual block, the encoder is endowed...
Now a number of architectures of intra frame decoder for H. 264 have been put forword, but most of them use an original decoding order. That is current block's prediction shouldn't be executed until previous block's reconstruction is finished. Obviously, this introduces much redundant time. In this paper, we proposed a 4 times 4 pipelined architecture in which current block's prediction can be paralleled...
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