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The latest video coding standard called high efficient video coding (HEVC) has been standardized recently to provide higher coding performance than previous state-of-the-art video coding standard H264/AVC. However, the near 50% bitrate reduction compared to H.264/AVC mainly comes from the adoption of several advanced coding techniques but at the expense of increased coding complexity as well as hardware...
Motion estimation process is the most computational and memory intensive component in video encoders. However, traditional motion estimation algorithms focus on rate and distortion performance and do not take memory bandwidth into consideration. As a result, its performance will be degraded under bandwidth constraint environment. In this paper, a bandwidth-rate-distortion optimized motion estimation...
In this paper, the first overall memory analysis for H.264/AVC scalable extension (SVC) is presented. Since the dependency among layers is a major discrepancy between SVC and H.264/AVC, the hardware design about them is quite different. Therefore, we analyze the memory bandwidth and memory access requirement of different coding flows for SVC. Based on the analysis results, we deduce that the frame-level...
In this paper, a memory efficient Fine Grain Scalability (FGS) coefficient encoding method is proposed to reduce the external memory access requirement. In the H.264/AVC Scalable Video Extension, the FGS coefficients encoding is frame based. However, the frame based mechanism results in the difficulty of hardware implementation due to large internal memory requirements and external memory accesses...
This paper presents a method for simply and interactively modeling and reusing 3D sleeve. Firstly, 3D sketches of basic sleeve skeleton are generated based on the recognized body feature points and sizes, and the sleeve surface can be quickly constructed; secondly, a sleeve surface modification method driven by sketch is adopted to build complex sleeve shape more freely; finally, we joint the sleeve...
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