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This paper presents an H.264/AVC intra-prediction design for ultrahigh definition (ultra-HD) video. Due to the huge throughput requirements of ultra-HD, design challenges such as complexity and data dependency, which currently exist for lower resolutions, become even more critical. To solve these problems, we first propose an interlaced block reordering scheme together with a preliminary mode decision...
This paper presents a fractional motion estimation (FME) design in high efficiency video coding (HEVC) for ultrahigh definition video (Ultra-HD). To reduce complexity and achieve high throughput, the design is co-optimized in algorithm and hardware architecture. Bilinear quarter pixel approximation, together with a 5T12S search pattern is proposed to reduce the complexity of the interpolation and...
This paper presents an H.264/AVC intra prediction design for Super Hi-Vision (SHV) video. Due to huge throughput requirements, design challenges such as data dependency and complexity become even more critical. To solve these problems, we first propose an interlaced block reordering scheme together with a coarse-to-fine mode decision (CFMD) strategy to resolve the data dependency between intra mode...
This paper proposes a high-performance intra prediction architecture that can support H.264/AVC high profile. The proposed MB/block co-reordering can avoid data dependency and improve pipeline utilization. Therefore, the timing constraint of real-time 4k×2k encoding can be achieved with negligible quality loss. 16×16 prediction engine and 8×8 prediction engine work parallel for prediction and coefficients...
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