搜索结果: 16-30 共查到“计算机科学技术 video coding”相关记录38条 . 查询时间(0.184 秒)
TWO-PASS RECONSTRUCTION IN DISTRIBUTED VIDEO CODING
distributed video coding two-pass reconstruction
2009/5/16
In this paper, we propose a novel two-pass reconstruction algorithm for the Wyner-Ziv (WZ) frames in distributed video coding (DVC), in which the traditional reconstructed WZ frame is utilized to perf...
Multi-hypothesis Based Multi-view Distributed Video Coding
multi-view video coding distributed video coding correlation model reconstruction
2009/5/16
This paper proposes a multi-hypothesis based Wyner-Ziv (WZ) decoder for the multi-view distributed video coding (MDVC). Two hypotheses, the intra-view SI and the interview SI, are fed together into th...
A HIGH EFFICIENT ERROR CONCEALMENT SCHEME BASED ON AUTO-REGRESSIVE MODEL FOR VIDEO CODING
Error concealment auto-regressive model forward bi-direction
2009/5/16
In this paper, a high efficient temporal error concealment scheme based on auto-regressive (AR) model is proposed for video coding. The proposed AR based error concealment scheme includes a forward AR...
Context-based entropy coding in AVS video coding standard
AVS DCT video coding Entropy coding Context modeling Variable length coding Arithmetic coding
2009/4/16
In this paper, two context-based entropy coding schemes for AVS Part-2 video coding standard are presented. One is Context-based 2D Variable Length Coding (C2DVLC) as a low complexity entropy coding s...
Reconfigurable video coding framework and decoder reconfiguration instantiation of AVS
RVC Decoder confi guration AVS VTL BSDL
2009/4/16
In 2004, a new standardization activity called reconfigurable video coding (RVC) was started by MPEG with the purpose of offering a framework which provides reconfiguration capabilities fo...
Rate-Distortion Optimization with Inter-View Refreshment for Stereoscopic Video Coding over Error-Prone Networks
Stereoscopic video coding error resilience inter-view refreshment end-to-end distortion model ratedistortion optimization
2009/1/16
Stereoscopic video is a practical and important manner for 3-D video applications, and robust stereoscopic video transmission over error-prone networks has posed a technical challenge for stereoscopic...
An Auto-Regressive Model for Improved Low Delay Distributed Video Coding
AR, DVC side information geometric symmetric
2009/1/16
In this paper, an auto-regressive (AR) model is proposed to generate the side information for low-delay distributed video coding (DVC). The side information generation of current Wyner-Ziv (WZ) frame ...
Concealment of Whole-Picture Loss in Hierarchical B-Picture Scalable Video Coding
Error concealment H.264/AVC hierarchical B-picture motion compensation scalable video coding.
2009/1/16
H.264/AVC scalable video coding (H.264/AVC SVC),as the scalable extension of H.264/AVC, offers the flexible adaptivity in terms of spatial, temporal and SNR scalabilities for the generated bitst...
Spatial-Aided Low-Delay Wyner-Ziv Video Coding
Spatial-Aided Low-Delay Wyner-Ziv Video Coding
2009/1/16
In distributed video coding, the side information (SI) quality plays an important role in Wyner-Ziv (WZ) frame coding. Usually,SI is generated at the decoder by the motion-compensated interpolation (M...
A JND Guided Foveation Video Coding
Video Coding Foveation Just Noticed Distortion Content Adaptive
2008/12/17
This paper presents a novel just noticeable distortion (JND) guided foveation video coding method, by which the foveation region can be adaptively selected according to the video content. In the propo...
Fast Disparity and Motion Estimation Based on Correlations for Multiview Video Coding
Multiview video coding disparity estimation fast motion estimation geometric relationship
2008/11/17
Recently, multiview video coding has attracted great attention from industries and research institutes. However, the heavy computational complexity limits its practical applications. In this paper, a ...
Directional residue prediction with motion alignment for video coding
Directional residue prediction motion alignment video coding
2008/9/17
Block-based motion compensation (MC) plays a crucial role in predominant video coding standards such as H.264 [1].Recently, some researchers [2, 3] attempted to combine motion compensation with the in...
WAVELET BASED DISTRIBUTED VIDEO CODING WITH SPATIAL SCALABILITY
WAVELET BASED DISTRIBUTED VIDEO CODING SPATIAL SCALABILITY
2008/6/17
In this paper, an improved spatial scalable wavelet domain distributed video coding (DVC) scheme is proposed. In this scheme, we adaptively apply differential pulse code modulation (DPCM) Wyner-Ziv (W...
Wyner–Ziv-Based Multiview Video Coding
Distributed source coding multiview video coding (MVC) wavelet Wyner–Ziv (WZ) video coding
2008/6/17
Utilizing video correlations among views would defi-nitely improve multiview video compression in terms of coding effi-ciency, which usually requests an expensive system to collect videos ...
Fast Rate Allocation Based on Distortion Estimation Modeling in Scalable Video Coding
rate allocation quantization error distortion estimation FGS NAL unit SVC
2008/1/17
For rate-distortion optimized rate allocation in JVT Scalable Video Coding (SVC), the distortion impact of every FGS NAL unit on the global reconstruction quality is calculated by repeatedly bitstrea...