نتایج جستجو برای: hevc
تعداد نتایج: 876 فیلتر نتایج به سال:
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...
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...
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 ...
افزایش روزافزون تولید تصاویر رادیولوژی پزشکی در مراکز درمانی و بیمارستانها، ایجاد روشهای مناسب ذخیرهسازی، کلاسبندی، و بازیابی تصاویر پزشکی را ضروری ساخته است. در این مقاله با استفاده از استاندارد کدینگ HEVC، روش نوینی در زمینهی فشرده سازی و بازیابی تصاویر رادیولوژی مبتنی بر ویژگی بافت در حوزهی فشرده شرح داده شده است. در روش پیشنهادی ابتدا تصاویر بانک اطلاعاتی که شامل تصاویر رادیولوژی اندا...
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 ...
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 ...
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...
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...
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)...
An AUX information assisted HEVC is described in this paper. This new functionality provides a tool for HEVC to determine the quantization parameter of CU based on auxiliary input. In this report, a saliency based auxiliary input is employed as a proof-of-concept. As shown in our subjective tests, the new tool achieves up to 12% bit rate reduction with negligible perceptual quality loss.
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