检索结果-内蒙古大学图书馆

您好，读者！请登录

内蒙古大学图书馆

首页
概况
党建
资源
服务
科研支持
- 论文收录引用证明
- 科技查新
知识产权
档案馆
帮助

咨询与建议

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

您的常用邮箱：*

您的手机号码：*

问题描述：

当前已输入0个字，您还可以输入200个字

全部搜索
期刊论文
图书
学位论文
标准
纸本馆藏
外文资源发现
数据库导航
超星发现

高级检索

时间限定

出版年份：

文献类型

图书期刊文献学位论文多媒体

馆藏选择

电子馆藏纸本馆藏

核心期刊

全部期刊 SCI 收录期刊 SSCI 收录期刊 EI 收录期刊 CSCD 收录期刊 CSSCI 收录期刊

语言

中文英文

文献类型

期刊文献图书学位论文标准纸本馆藏

帮助

文字说明：

T=题名（书名、题名），A=作者（责任者），K=主题词，P=出版物名称，PU=出版社名称，O=机构（作者单位、学位授予单位、专利申请人），L=中图分类号，C=学科分类号，U=全部字段，Y=年（出版发行年、学位年度、标准发布年）

检索规则说明：

AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：

范例一：(K=图书馆学 OR K=情报学) AND A=范并思 AND Y=1982-2016
范例二：P=计算机应用与软件 AND (U=C++ OR U=Basic) NOT K=Visual AND Y=2011-2016

分类表

所选分类

>> <<

限定检索结果

文献类型

263 篇 会议
153 篇 期刊文献

馆藏范围

416 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

396 篇 工学
- 273 篇 电气工程
- 191 篇 计算机科学与技术...
- 92 篇 信息与通信工程
- 56 篇 软件工程
- 44 篇 电子科学与技术（可...
- 22 篇 机械工程
- 17 篇 仪器科学与技术
- 14 篇 控制科学与工程
- 4 篇 生物医学工程（可授...
- 3 篇 光学工程
- 2 篇 材料科学与工程（可...
- 1 篇 测绘科学与技术
- 1 篇 交通运输工程
- 1 篇 船舶与海洋工程
121 篇 医学
- 120 篇 临床医学
- 7 篇 特种医学
47 篇 理学
- 33 篇 物理学
- 12 篇 系统科学
- 2 篇 生物学
- 1 篇 数学
- 1 篇 天文学
10 篇 管理学
- 10 篇 管理科学与工程(可...
2 篇 军事学
- 2 篇 军队指挥学
1 篇 法学
- 1 篇 法学
1 篇 文学
- 1 篇 新闻传播学

主题

416 篇 distributed vide...
88 篇 wyner-ziv coding
82 篇 side information
35 篇 video coding
33 篇 wyner-ziv video ...
20 篇 motion estimatio...
19 篇 wyner-ziv
19 篇 compressed sensi...
11 篇 decoding
10 篇 correlation nois...
9 篇 compressive sens...
9 篇 transform domain
8 篇 side information...
8 篇 optical flow
8 篇 video compressio...
7 篇 ldpc
7 篇 distributed sour...
7 篇 frame interpolat...
7 篇 dvc
7 篇 rate-distortion ...

机构

9 篇 brunel univ sch ...
5 篇 harbin inst tech...
5 篇 microsoft res as...
5 篇 chinese acad sci...
5 篇 univ malta dept ...
5 篇 sichuan univ col...
5 篇 xidian univ stat...
5 篇 univ surrey ctr ...
5 篇 tech univ denmar...
5 篇 harbin inst tech...
4 篇 inst super tecn ...
4 篇 arizona state un...
4 篇 commun res ctr c...
4 篇 tech univ denmar...
3 篇 xidian univ sch ...
3 篇 interdisciplinar...
3 篇 peking univ sch ...
3 篇 auckland univ te...
3 篇 holy spirit univ...
3 篇 peking univ inst...

作者

23 篇 pereira fernando
19 篇 ascenso joao
18 篇 munteanu adrian
17 篇 brites catarina
17 篇 deligiannis niko...
15 篇 fernando w. a. c...
14 篇 weerakkody w. a....
14 篇 pesquet-popescu ...
14 篇 van de walle rik
12 篇 forchhammer sore...
12 篇 zhao debin
12 篇 gao wen
11 篇 schelkens peter
10 篇 cagnazzo marco
10 篇 ma siwei
9 篇 dufaux frederic
9 篇 lambert peter
8 篇 wang demin
8 篇 li yongpeng
8 篇 verbist frederik

语言

406 篇 英文
6 篇 中文
4 篇 其他

检索条件"主题词=distributed video coding"

共 416 条记录，以下是161-170 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

Rate-distortion Based Selective Decoding for Pixel-Domain distributed video coding

Rate-distortion Based Selective Decoding for Pixel-Domain Di...

引用

15th IEEE International Conference on Image Processing (ICIP 2008)

作者： Chien, Wei-Jung Karam, Lina J. Abousleman, Glen P. Arizona State Univ Dept Elect Engn Tempe AZ 85287 USA Gen Dynam C4 Syst Video Compress & Exploitat Lab Scottsdale AZ 85257 USA

ISBN: (纸本)9781424417650

This paper presents a rate-distortion based selective decoding for pixel-domain distributed video compression (DVC) system. In the proposed system, the Wyner-Ziv frames are divided into several sub-images. Each of these sub-images is encoded and decoded independently. At the decoder, the rate-distortion ratio is estimated for each bitplane of the sub-images. Only the bitplanes with high rate-distortion ratios are Turbo decoded. A minimum-distance symbol reconstruction is proposed to estimate the rest of the bitplanes by using the side information and Turbo-decoded bitplanes. More accurate placement of the parity bits results in an improved system performance, especially for video sequences with a relatively large static background. coding results and comparison with existing DVC schemes and with H.264 interframe coding are presented to illustrate the performance of the proposed system.

关键词： distributed video coding Rate distortion Wyner-Ziv coding

来源：评论

学校读者我要写书评

暂无评论

A NEW APPROACH TO GENERATE SIDE INFORMATION FOR distributed video coding IN CAPSULE ENDOSCOPY

A NEW APPROACH TO GENERATE SIDE INFORMATION FOR DISTRIBUTED ...

引用

6th International Symposium on Communications, Control and Signal Processing (ISCCSP)

作者： Boudechiche, Djamel Eddine Benierbah, Said Khamadja, Mohammed Univ Constantine 1 SP Lab Dept Elect Fac Sci & Tech Constantine Algeria

ISBN: (纸本)9781479928903

This paper presents a new approach to generate side information for distributed video coding (DVC) for wireless capsule endoscopy (WCE). WCE allowed facilitating the diagnosis;however, the problem of low energy limits its image quality and duration of use. To reduce this problem, the proposed codec uses a database to generate side information (SI), by exploiting similarity in human anatomy rather than motion compensation. The first test results prove the feasibility of this technique and show good compression and good image quality compared to JPEG.

关键词： Capsule endoscopy distributed video coding Database Side information Medical imaging

来源：评论

学校读者我要写书评

暂无评论

A GENETIC ALGORITHM FOR SIDE INFORMATION ENHANCEMENT IN distributed video coding

A GENETIC ALGORITHM FOR SIDE INFORMATION ENHANCEMENT IN DIST...

引用

16th IEEE International Conference on Image Processing

作者： Yaacoub, Charles Farah, Joumana Pesquet-Popescu, Beatrice Holy Spirit Univ Kaslik Fac Sci & Comp Engn Jounieh Lebanon Telecom Paris Tech Signal & Image Proc Dept Paris France

ISBN: (纸本)9781424456536

This work aims at improving the quality of the side information in distributed video coding. Based on genetic algorithms, our proposed technique combines several frames, interpolated using previously developed methods, in a fusion-based approach. Simulation results show a significant improvement in the side information quality compared to other interpolation techniques available in the literature, which greatly improves the rate-distortion performance of a distributed video codec, where the gain in PSNR can reach 6dB.

关键词： distributed video coding frame interpolation genetic algorithms side information Wyner-Ziv coding

来源：评论

学校读者我要写书评

暂无评论

TRANSFORM DOMAIN distributed video coding USING LARGER TRANSFORM BLOCKS 5

TRANSFORM DOMAIN DISTRIBUTED VIDEO CODING USING LARGER TRANS...

引用

5th IEEE Global Conference on Signal and Information Processing (GlobalSIP)

作者： Mahmood, Asif Dooley, Laurence S. Wong, Patrick Open Univ Sch Comp & Commun Milton Keynes Bucks England

ISBN: (纸本)9781509059904

distributed video coding (DVC) displays promising performance at low spatial resolutions but begins to struggle as the resolution increases. One of the limiting aspects is its 4x4 block size of Discrete Cosine Transform (DCT) which is often impractical at higher resolutions. This paper investigates the impact of exploiting larger DCT block sizes on the performance of transform domain DVC at higher spatial resolutions. In order to utilize a larger block size in DVC, appropriate quantisers have to be selected and this has been solved by means of incorporating a content-aware quantisation mechanism to generate image specific quantisation matrix for any DCT block size. Experimental results confirm that the larger 8x8 block size consistently exhibit superior RD performance for CIF resolution sequences compared to the smaller 4x4 block sizes. Significant PSNR improvement has been observed for 16x16 block size at 4CIF resolution with up to 1.78dB average PSNR gain compared to its smaller block alternatives.

关键词： distributed video coding wyner-ziv video coding discrete cosine transform transform block size high resolution

来源：评论

学校读者我要写书评

暂无评论

Performance evaluation of distributed video coding schemes

Performance evaluation of Distributed Video Coding schemes

引用

33rd IEEE International Conference on Acoustics, Speech and Signal Processing

作者： Bernardini, R. Rinaldo, R. Zontone, P. Vitali, A. Univ Udine DIEGM Via Sci 208 I-33100 Udine Italy ST Microelect I-20041 Agrate Brianza Italy

ISBN: (纸本)9781424414833

distributed video coding (DVC) has recently been proposed for emerging scenarios, where sources of correlated video do not communicate, as in some video-surveillance applications, or to simplify the coder for video equipment with power consumption constraints. In this paper we propose and compare different DVC schemes. In particular, we propose the use of the wavelet transform and analyze the performance of encoders based on turbo-codes and on a novel modulo-reduction procedure. The proposed schemes do not need feedback from the receiver and use statistical models for the estimation of the required bit-rate. Experimental results show that the proposed schemes have good performance when compared with Similar asymmetric video compression schemes, and that DVC can be an interesting option in appropriate scenarios.

关键词： distributed video coding source coding

来源：评论

学校读者我要写书评

暂无评论

MULTIPLE CHANNEL DIVISION FOR EFFICIENT distributed video coding

MULTIPLE CHANNEL DIVISION FOR EFFICIENT DISTRIBUTED VIDEO CO...

引用

16th IEEE International Conference on Image Processing

作者： Park, Sang-Uk Lee, Young-Yoon Choi, Jin-Woo Kang, Jung-Won Kim, Chang-Su Lee, Sang-Uk Seoul Natl Univ Sch Elect Engn Seoul 151 South Korea Korea Univ Sch Elect Engn Seoul South Korea Samsung Elect Co Seoul South Korea ETRI Seoul South Korea

ISBN: (纸本)9781424456536

A novel concept of channel division to improve the performance of distributed video coding is proposed in this work. At the decoder, the proposed algorithm partitions each side information frame into multiple regions with different expected distortions. It is shown that the partitioning is equivalent to the division of the virtual noisy channel from the encoder to the decoder into multiple channels. Then, the proposed algorithm analyzes the noise characteristics of those multiple channels, and allocates a limited bit budget to those channels adaptively to improve the rate-distortion performance. Simulation results demonstrate that the proposed algorithm provides up to 5 dB better performance than the conventional DVC algorithms, as well as reduces the decoding complexity significantly.

关键词： distributed video coding Wyner-Ziv coding side information generation and channel division

来源：评论

学校读者我要写书评

暂无评论

Rate allocation algorithm for pixel-domain distributed video coding without feedback channel

Rate allocation algorithm for pixel-domain distributed video...

引用

32nd IEEE International Conference on Acoustics, Speech and Signal Processing

作者： Morbee, Marleen Prades-Nebot, Josep Pizurica, Aleksandra Philips, Wilfried Univ Ghent TELIN Ghent Belgium Univ Politecn Valencia GTS ITEAM Valencia Spain

ISBN: (纸本)9781424407286

in some video coding applications, it is desirable to reduce the complexity of the video encoder at the expense of a more complex decoder. distributed video (DV) coding is a new paradigm that aims to achieve this. To allocate a proper number of bits to each frame, most DV coding algorithms use a feedback channel (FBC). However, in some cases, a FBC does not exist. In this paper, we therefore propose a rate allocation (RA) algorithm for pixel-domain distributed video coders without FBC. Our algorithm estimates at the encoder the number of bits for every frame without significantly increasing the encoder complexity. Experimental results show that our RA algorithm delivers satisfactory estimates of the adequate encoding rate, especially for sequences with little motion.

关键词： distributed video coding Wyner-Ziv coding rate allocation

来源：评论

学校读者我要写书评

暂无评论

ADAPTIVE USE OF SYSTEMATIC BITS IN distributed video coding WITH MULTIPLE PUNCTURING MATRICES

ADAPTIVE USE OF SYSTEMATIC BITS IN DISTRIBUTED VIDEO CODING ...

引用

IEEE Visual Communications and Image Processing (VCIP)

作者： Taieb, Mohamed Haj Chouinard, Jean-Yves Wang, Demin Univ Laval Quebec City PQ G1V 0A8 Canada Commun Res Ctr Canada Ottawa ON K2H 8S2 Canada

ISBN: (纸本)9781467344050;9781467344067

distributed video coding paradigm aims at transferring the major part of the processing computation effort from the encoder to the decoder. Motion interpolation is done at the decoder to generate side information (SI) through motion compensated temporal interpolation (MCTI). SI is considered as a noisy version of the original data: channel control coding schemes, such as turbo coding, are used to eliminate the errors (SI inaccuracies). The video data is turbo encoded and the parity bits are sent to the decoder. The systematic bits, however, are discarded since the decoder already disposes of SI that can be used for the channel likelihood ratio calculations. However, when the MCTI generation of SI is highly corrupted, the channel likelihood ratios based on the SI are inefficient and even misleading. A number of parity bits number exceeding the original data length may then be required, thus leading to an undesirable expansion effect. In this paper, we propose a method to detect adaptively the situations where the SI is of lower quality. Then puncturing matrices, enabling systematic bits, are used to help computing reliable channel likelihood ratios. An improvement up to 0.5 dB is reported for PSNRs vs bit rate performances.

关键词： distributed video coding turbo coding motion interpolation puncturing

来源：评论

学校读者我要写书评

暂无评论

Low-complexity TTCM based distributed video coding architecture

引用

2nd IEEE Pacific Rim Symposium on video and Technology

作者： Martfnez, J. L. Fernando, W. A. C. Weerakkody, W. A. R. J. Oliver, J. Lopez, O. Martinez, M. Perez, M. Cuenca, P. Quiles, F. Univ Castilla La Mancha Albacete Res Inst Informat Albacete 02071 Spain Univ Surrey Ctr Commun Res Guildford Surrey England Univ Politecn Valencia Dept Comp Engn Valencia Spain Miguel Hernandez Univ Dept Phys & Comp Engn Murcia Spain

ISBN: (纸本)9783540771289

distributed video coding (DVC) is a promising coding solution for some emerging applications, where the encoder complexity, power consumption or memory requirements are constraint the system resources. Current approaches to DVC focus on improving the performance of the Wyner-Ziv coding by improving the quality of the reconstructed side information or by improving the quality of channel codes. Up to date, no attention has been paid to the problem of key frames coding where a low-encoding complexity scenario is also needed. This work focuses on key frames coding in its effect to the Wyner-Ziv frames decoding aiming to implement a very low-complexity Turbo Trellis Coded Modulation (TTCM) based DVC architecture. In this paper, we propose a new key frame coding scheme which has very low complexity and memory requirements for the TTCM based distributed video codec. Results show that the proposed intra frame codec for key frame coding outperforms the JPEG2000 and the Intra H.264 AVC codecs in terms of encoding-time and memory requirements, with better RD performance.

关键词： distributed video coding low complexity TTCM codes

来源：评论

学校读者我要写书评

暂无评论

Side information generation for distributed video coding

Side information generation for distributed video coding

引用

IEEE International Conference on Image Processing (ICIP 2007)

作者： Lu, Ligang He, Dake Jagmohan, Ashish IBM TJ Watson Res Ctr Washington DC USA

ISBN: (纸本)9781424414369

Side information(SI) generation is one of the key components of a Wyner-Ziv coder. In this paper we present a novel multi-frame SI generation approach which uses adaptive temporal filtering to estimate the pixel values for SI and motion vector filtering for refinement. For temporal filtering, we derive the optimal mean squared error temporal filter when the noise can be evaluated, and propose a similarity weighted temporal filter when the knowledge of the noise is not available. The temporal filter adapts on the quality of the motion estimation. The quality of SI generation is further improved by using motion vector filtering to reduce the noise effect from motion estimation. Experimental results indicate that the proposed SI generation approach yields good performance in terms of SI quality and conditional entropy.

关键词： wyner-Ziv coding Slepian-Wolf decoding distributed video coding side information generation adaptive temporal filtering motion vector filtering

来源：评论

学校读者我要写书评

暂无评论

没有更多数据了...

全选清除本页清除全部题录导出标记到“检索档案”

共42页 << < 13 14 15 16 17 18 19 20 21 22 > >>

检索报告对象比较合并检索0

隐藏清空

合并搜索

回到顶部

执行限定条件

内容：

评分：

请选择保存的检索档案：

请选择收藏分类：

订阅名称：

通借通还

温馨提示：

图书名称：

借书校区：

取书校区：

手机号码：

邮箱地址：

一卡通帐号：

电话和邮箱必须正确填写，我们会与您联系确认。

联系人：

所在院系：

联系邮箱：

联系电话：

内蒙古自治区呼和浩特市赛罕区大学西街235号邮编: 010021

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：