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H.264/AVC is the newest video coding standard with high compression efficiency. Especially it adopts traveling algorithm to find the optimal mode for intra-frame prediction in spatial field, so it is quite complex and costs very long encoding-time. In this paper, the proposed fast mode decision scheme consists of two parts: early intra mode detection, which is to select intra 4×4 or intra 16×16 mode...
H.264/AVC is the newest video coding standard with high compression efficiency. Especially it adopts traveling algorithm to find the optimal mode for intra-frame prediction in spatial field, so it is quite complex and costs very long encoding-time. In this paper, the proposed fast mode decision scheme consists of two parts: early intra mode detection, which is to select intra 4 × 4 or intra 16 × 16...
In this paper we present a new near lossless reversible watermarking algorithm using adaptive prediction for embedding. The prediction is based on directional first-order differences of pixel intensities within a suitably selected neighborhood. The proposed scheme results to be computationally efficient and allows achieving high embedding capacity while preserving a high image quality. Extensive experimental...
In this paper, an efficient algorithm for the fast full search is proposed to reduce the computational cost of block matching algorithm for local motion estimation in digital image stabilization (DIS). This method based on histogram sorting. For the current block, the proposed fast matching method adaptively sorts the matching order pixel-by-pixel for each block. Also, partial distortion elimination...
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