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In this paper, we propose an enhanced frame rate up-conversion (FRUC) method for next generation video formats with fast motion. The proposed method can enhance the performance of FRUC by significantly reducing the motion estimation computational load. In the proposed algorithm, the search range for motion estimation at each block is adaptively determined using both the motion vector magnitude and...
Ultra High Definition Television (U-HDTV) promises to offer a strong sense of reality by utilizing extremely high spatial and temporal resolution. In order to compress U-HDTV video sequences in a practical way, the video sequence is divided into sub-sequences and each sub-sequence is parallelly processed. However, the merged sequence of independently decoded sub-sequences inherently exhibits a distortion...
Since H.264/AVC achieves a high compression ratio by reducing spatio-temporal redundancy in video sequences, the payload of a single packet can often contain a whole frame encoded by H.264/AVC. Therefore, the loss of a single packet does not only cause the loss of a whole frame, but also produce error propagation into succeeding frames. To deal with this problem, in this paper, we propose a novel...
Since H.264/AVC achieves a high compression ratio by reducing spatio-temporal redundancy in video sequences, the payload of a single packet can often contain a whole frame encoded by H.264/AVC. Therefore, the loss of a single packet does not only cause the loss of a whole frame, but also produce error propagation. In this paper, we propose a novel whole frame error concealment method using adaptive...
This paper introduces a new deblocking algorithm which can remove the blockiness without blurring the image details. Due to its low computational complexity, the algorithm can be applied to video streaming application with mobile devices. Through the simulation with mobile devices, we show that our algorithm can successfully reduce the blocking artifacts without excessive blurring.
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