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In this paper, an efficient search center definition algorithm is proposed for H.264/AVC. H.264/AVC achieved high coding efficiency by introducing some new coding tools including a new definition of the search center. However, the definition of the search center is not efficient in the case of significant motions. This work proposes some new search center candidates using spatial and temporal correlations...
The inter-layer residual prediction mode can increase the coding efficiency as well as the computation complexity. This paper presents a low complexity algorithm for inter-layer residual prediction of H.264/SVC. Proposed two-step algorithm focuses on the reduction of the candidate modes by making use of the correlations of the encoding cost between the base layer and enhancement layers. In the first...
In this work, a fast mode decision algorithm for H.264/AVC is proposed. H.264/AVC achieves high coding efficiency by introducing rate-distortion optimized (RDO) method. However, it induced very high computation complexity. In order to reduce the computation complexity of the encoder of H.264/AVC, the proposed algorithm efficiently reduces the candidate modes. The proposed algorithm includes an early...
In this paper, we present a novel adaptive GOP structure(AGS) for H.264/SVC. Proposed method adaptively defines the GOP structure by analyzing the input sequence characters. The accumulated difference of luminance pixel components is utilized to set a threshold for adaptive GOP size definition. Another scene change detection method is also proposed to reorganize the GOP structure. Different from previous...
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