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A novel video coding standard called high efficiency video coding (HEVC)|ITU-T H.265 was released in 2013. HEVC has twice the compression capability of MPEG-4 AVC|ITU-T H.264, a feature that is expected to enhance new broadcasting services. Japanese broadcasters plan to start a new ultra high definition television service using HEVC. To identify the required bit rates for the new broadcasting service,...
This paper proposes an adaptive scan order of intra prediction on High Efficiency Video Coding (HEVC). In HEVC, prediction, transformation and quantization are applied in a z-scan order consistently. The proposed method modifies the z-scan order when intra prediction direction is set to from top-right to bottom-left or from bottom-left to top-right, which is corresponding to intra prediction mode...
This paper describes a hardware implementation of HEVC (High Efficiency Video Coding) video encoder for exploring performance of HEVC in real-time applications. By optimizing hardware architecture and developing fast mode decision algorithms, our FPGA-based prototype can encode 1080p, 10-bit video at 60fps in real-time. Both objective and subjective evaluations clearly demonstrate that the developed...
The present paper provides transform bases with improved normality and orthogonality properties based on the integer DCT of high-efficiency video coding (HEVC). The proposed transform bases improve the normality and orthogonality properties compared to the HEVC transform bases. Coding and re-encoding experiments were conducted using HEVC test model (HM) version 6.0 and the proposed method. The experiments...
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