This article, based on the hierarchical motion estimation ( HME), proposes a new side information generation algorithm which is integrated into DVC system. 本文中,一种基于分层运动估计的边信息提取算法引入到DVC系统中。
In distributed video coding ( DVC) because the decoder cannot have access to the current frame, modeling the temporal correlation noise becomes a difficult task. 在分布式视频编码(DVC)中,由于解码端不能获取当前编码帧的信息,精确地对时域相关噪声进行建模变得更为困难。
Research Progress from Single View DVC to Multi-view DVC 从单视点DVC到多视点DVC的研究进展
To generate the good side information, an adaptive frame interpolation side information algorithm with correlation coefficient for DVC was proposed. 在研究了现有边信息构造方法基础上,提出了一种有效的自适应边信息帧内插方法。
DVC: string Specify chassis version DMI string. 指定底盘版本DMI字符串。
A new framework has been proposed with a refinement to side-information which is based on DWT. 2:采用基于小波域的DVC,提出一种利用运动补偿动态更新边信息的方案。
A new motion compensated side-information interpolation algorithm is proposed. 1:提出利用运动补偿帧内插算法来提高DVC边信息质量的方案。
Propose a DVC scheme based on Turbo codes, and reconstruct puncturing pattern to get Rate Compatible Punctured Turbo codes ( RCPT), such pattern makes the code rate match inter-frame redundancy better. 提出了基于Turbo码的分布式视频编码系统,重新定义了RateCompatiblePuncturedTurbocodes(简称RCPT)打孔算法,实现了自适应可变码率,更好的与视频帧间冗余度吻合。
DVCPRO format is one standard format of broadcasting and video, which is developed in1996 by Panasonic Corporation on the compatible foundation of DVC ′ S format. DVCPRO格式是松下公司在与DVC格式兼容的基础上于1996年开发的一种广播级录像标准格式。
This paper describes the current situation and development trend of HDD 、 CD 、 DVD and DVC in image recording field. 介绍了影像领域HDD、CD、DVD及DVC等可换型封装存储介质的现状及发展方向,指出垂直磁记录方式又成为研究的热门课题。
And this paper has made the specification of how to carry out DVS, DVR and DVC design method, thought and the key technique. 论文对实现视频服务器(DVS)、视频录像机(DVR)和视频控制部分(DVC)的设计思路、设计过程及实现的关键技术做了比较详细的说明。
Distributed Video Coding ( DVC) is an application of DSC in video coding. It enables low-complexity encoding by shifting the bulk of the computation to the decoder. 分布式视频编码(DistributedVideoCoding,简称DVC)是分布式信源编码在视频中的应用,通过在解码端消除视频帧间冗余来进行压缩,可以获得较低复杂度的编码器。
By CNMS communicating with the distant terminal management agent ( TMA) of videoconferencing system, the management and control of videoconference terminal DVC are realized. 通过CNMS与远端会议电视终端代理TMA的通信,实现了对各会场的会议电视终端DVC的控制和管理。
The changes of VIP immunoreactivity in the gastric walls and dorsal motor nucleus of vagus complex ( DVC) were observed with immunocytochemistry ABC and image analysis. 免疫细胞化学ABC法结合图像分析,观察电针足三里穴对大鼠胃壁和迷走背核复合体VIP神经免疫反应性的影响。
As DVC scheme based on ideal feedback retransmission strategy is not feasible, this dissertation investigates DVC on ideal feedback channel and no feedback channel. 由于基于理想反馈重传策略的分布式视频编码方案非实际可行的系统,因此,本文详细研究了带反馈信道下的分布式视频编码技术和无反馈的分布式视频编码技术。
DVC moves motion estimation and compensation to decoder, therefore the complexity of coder is inferior to decoder. 由于分布式视频编码将计算复杂度较高的运动估计和补偿转移到解码端进行,因而导致编码端复杂度低于解码端复杂度。
In addition, the Distributed source coding idea is applied into the video field, which becomes a new research hotspot: Distributed Video Coding ( DVC). 分布式信源编码的思想同时应用到视频领域,并形成新的研究热点:分布式视频编码(DVC)。
The traditional video compression standards could not be applied because of its high complexity; Distributed Video Coding ( DVC) has attracted considerable interests based on the new asymmetric framework. 传统的视频压缩标准由于编码端复杂度过高并不适用,分布式视频编码作为一种全新的非对称的视频压缩框架受到了广泛的关注。
Distributed video coding ( DVC) is a new technology for video compression, which is based on Slepian-Wolf lossless and Wyner-Ziv lossy source coding theory. 分布式视频编码是一种基于Slepian-Wolf无损信源编码理论和Wyner-Ziv有损信源编码理论的全新的视频压缩方法。
Meanwhile, having adopted joint source-channel coding, DVC has great error resilience performance which can be applied to wireless video application scene. 同时由于采用了信源信道联合编码,使得分布式视频编码具有很好的抗误码性能,适用于无线视频应用场景。
Thus, the DVC and NA are the primary nerve centres of regulating gastric functions. 迷走复合体和疑核是调控胃机能的初级中枢。
A DVC-based mobile communication system is constructed and a pixel DVC is realized in this system. 构建了一个基于DVC的手机视频通信系统,实现了像素域DVC算法。
Firstly, it introduces the basic principle of distributed video algorithms, explores the Low Density Parity Check Accumulate Codes ( LDPCA) and applies it to the Distributed Video Coding system ( DVC). 本文主要研究了基于联合比特平面的分布式视频编码算法,首先介绍了分布式视频编码的基本原理,简要阐述了低密度奇偶校验累积码(LDPCA)的编译码原理并将其应用于分布式视频编码系统。
Then a low delay feedback-free DVC frameworks is introduced. We also propose rate estimation algorithm based on off-line CNM and extrapolated side information generating algorithm based on motion compensation for DVC. 3. 在此基础上,本文给出无反馈低时延的DVC实现框架,并提出了基于离线相关噪声模型的DVC码率估计算法和基于3DRS运动补偿外推的边信息估计生成算法。
The accuracy of side information would essentially influence rate distortion and compression efficiency of the DVC system. 边信息的准确性对分布式视频编码的率失真性能与压缩效率有着显著的影响。
This system is based on transform-domain DVC system, but the pixel domain processing modules are added both in the encoder and decoder. 该系统在变换域分布式视频编码系统的基础上,在编码端和解码端增加了处理图像像素域信息的模块。
This article focuses on the realization of distributed video coding ( DVC), image store and transmit protection by DVC, multi-view coding based on distributed video coding. The main content includes the following aspects: First, realized the basic framework of distributed video coding. 本文重点研究了分布式视频编码的实现、分布式在静止图像压缩传输上的应用、基于分布式的多视点视频编码,主要内容包括以下几个方面:首先,实现分布式视频编码的基本框架。
In order to resolve the mentioned problems, the rate allocation and data transmission strategies for feedback-free DVC are studied. A new rate allocation algorithm is proposed for the designed feedback-free transform domain distributed video coding ( FFTD-DVC). 针对上述问题,研究了无反馈分布式视频编码的码率分配与传输策略。设计了一种支持码率分配的无反馈变换域分布式视频编码方案,并提出了一种无反馈编码器码率分配方法。
Distributed Video Coding is a coding scheme which is suitable for video communication in wireless networks. 分布式视频编码(DistributedVideoCoding,DVC)是一种适合在无线网络中进行视频通信的编码方案。
However, in some applications, low complexity is simultaneously needed at both encode-decoder sides. Mobile video communication is an example. For such scenario, both AVS and DVC do not work. 然而,在某些应用中,在编码端与解码端同时需要低复杂度,对于这种情况,AVS和DVC均不适用了。