نتایج جستجو برای: استاندارد کدینگ ویدئو hevc

تعداد نتایج: 36702  

2014

The most essential part of almost all video coding standards such as H.262/MPEG-2, H.264/MPEG-4 and newly emerged High Efficiency Video Coding (H.265/HEVC) is Motion Estimation. HEVC provides better performance in compression and efficiency in coding for Beyond HD and UHD videos. The main drawback is its computationcomplexity. The complexity is mainly due to Motion Estimation (ME), as it consum...

Journal: :Entropy 2013
Mengmeng Zhang Jianfeng Qu Huihui Bai

High-efficiency video coding (HEVC) is a new video coding standard being developed by the Joint Collaborative Team on Video Coding. HEVC adopted numerous new tools, such as more flexible data structure representations, which include the coding unit (CU), prediction unit, and transform unit. In the partitioning of the largest coding unit (LCU) into CUs, rate distortion optimization (RDO) is appl...

2014
Zhe Sheng Dajiang Zhou Heming Sun Satoshi Goto

HEVC achieves a better coding efficiency relative to prior standards, but also involves dramatically increased complexity. The complexity increase for intra prediction is especially intensive due to a highly flexible quad-tree coding structure and a large number of prediction modes. The encoder employs rate-distortion optimization (RDO) to select the optimal coding mode. And RDO takes a great p...

2013
Yun Li Mårten Sjöström Ulf Jennehag Roger Olsson

For three-dimensional television, multiple views can be generated by using the Multi-view Video plus Depth (MVD) format. The depth maps of this format can be compressed efficiently by the 3D extension of High Efficiency Video Coding (3D-HEVC), which has explored the correlations between its two components, texture and associated depth map. In this paper, we introduce two modes for depth map cod...

2016
Snehal A. Patil Sonal K. Jagtap

Digital video compression techniques have a crucial contribution in the world of telecommunication and multimedia sector where bandwidth is a valued constraint. A large amount of multimedia data has to be stored in a limited storage space. Hence, video compression techniques mainly focus on reducing the volume of information required for picture sequences/streaming pictures without losing much ...

Journal: :IEICE Electronic Express 2013
Liang Hong Weifeng He Hui Zhu Zhigang Mao

High Efficiency Video Coding (HEVC) is the currently developing video coding standard beyond H.264/AVC. In this paper, a full pipelined 2-D IDCT/IDST VLSI architecture compatible with HEVC standard is presented for the first time. The proposed architecture supports adaptive block size IDCT from 4×4 to 32×32 pixels as well as IDST while keeping nearly 100% hardware utilization. Using SMIC 65 nm ...

2013
Krzysztof Wegner Ying Chen Sehoon Yea

Draft 1 of 3D-HEVC Test Model Description Ed. Notes (D0) (based on N12744)  (3D08/JCT3V-A0126) (T,N) Simplified disparity derivation  (3D16) Moved 3D-tool related flags from SPS to VPS, removal camera parameters  (3D09/JCT3V-A0049) (N) Inter-view motion prediction modification  (3D13/JCT3V-A0119) (T) VSO depth fidelity  (3D07/JCT3V-A0070) (T,N) Region boundary chain coding for depth maps ...

2014
Salahuddin Swati Khizar Hayat Zafar Shahid

This paper presents a high payload watermarking scheme for High Efficiency Video Coding (HEVC). HEVC is an emerging video compression standard that provides better compression performance as compared to its predecessor, i.e. H.264/AVC. Considering that HEVC may will be used in a variety of applications in the future, the proposed algorithm has a high potential of utilization in applications inv...

2014
Seunghyun Cho Hyunmi Kim Kyungjin Byun Nak-Woong Eum

In this paper, an efficient hardware architecture that exploits parallel processing for HEVC decoders is proposed by introducing (i) a Coding Tree Unit (CTU)-level pipelined architecture for single-core based processing; and (ii) a multi-core based parallel processing architecture for picture partition decoding with low latency while not requiring additional resources for in-loop filtering (ILF...

2015
Jakub Stankowski Damian Karwowski Tomasz Grajek Krzysztof Wegner Jakub Siast Krzysztof Klimaszewski Olgierd Stankiewicz Marek Domański

In this paper, a detailed analysis of the content of the bitstream, produced by the HEVC video encoder is presented. With the use of the HM 10.0 reference software the following statistics were investigated: 1) the amount of data in the encoded stream related to individual frame types, 2) the relationship between the value of the QP and the size of the bitstream at the output of the encoder, 3)...

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