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

3,429 篇 会议
27 篇 期刊文献
14 册 图书

馆藏范围

3,470 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

1,946 篇 工学
- 1,271 篇 计算机科学与技术...
- 955 篇 信息与通信工程
- 686 篇 软件工程
- 520 篇 电气工程
- 190 篇 光学工程
- 108 篇 生物工程
- 79 篇 电子科学与技术（可...
- 62 篇 生物医学工程（可授...
- 60 篇 仪器科学与技术
- 60 篇 控制科学与工程
- 54 篇 机械工程
- 33 篇 化学工程与技术
- 32 篇 网络空间安全
- 23 篇 动力工程及工程热...
- 23 篇 安全科学与工程
- 13 篇 土木工程
- 13 篇 交通运输工程
959 篇 医学
- 951 篇 临床医学
- 29 篇 基础医学(可授医学...
- 26 篇 药学(可授医学、理...
774 篇 理学
- 574 篇 物理学
- 192 篇 数学
- 114 篇 生物学
- 53 篇 统计学（可授理学、...
- 33 篇 化学
- 29 篇 系统科学
132 篇 管理学
- 71 篇 管理科学与工程(可...
- 69 篇 图书情报与档案管...
- 17 篇 工商管理
30 篇 法学
- 28 篇 社会学
11 篇 军事学
9 篇 文学
5 篇 经济学
5 篇 农学
4 篇 教育学

主题

418 篇 image coding
349 篇 visual communica...
308 篇 image processing
293 篇 visualization
222 篇 feature extracti...
177 篇 image segmentati...
147 篇 image compressio...
139 篇 training
136 篇 video coding
130 篇 image reconstruc...
117 篇 image color anal...
107 篇 cameras
103 篇 image quality
100 篇 deep learning
95 篇 image enhancemen...
88 篇 image edge detec...
85 篇 humans
83 篇 three-dimensiona...
77 篇 motion estimatio...
76 篇 decoding

机构

36 篇 shanghai jiao to...
29 篇 institute of ima...
24 篇 school of electr...
20 篇 university of sc...
18 篇 shanghai jiao to...
16 篇 shanghai jiao to...
16 篇 tianjin univ sch...
16 篇 beijing universi...
11 篇 university of el...
11 篇 cas key laborato...
11 篇 tsinghua univ de...
10 篇 univ sci & techn...
10 篇 peking univ inst...
10 篇 institute of ima...
9 篇 zhejiang univers...
9 篇 tsinghua univ de...
9 篇 school of electr...
9 篇 xidian univ sch ...
9 篇 shanghai jiao to...
8 篇 school of remote...

作者

34 篇 zhai guangtao
26 篇 sumei li
25 篇 song li
22 篇 li sumei
21 篇 guangtao zhai
18 篇 li li
18 篇 li song
18 篇 min xiongkuo
16 篇 dong liu
16 篇 yang xiaokang
16 篇 shan liu
15 篇 andré kaup
14 篇 chen zhibo
13 篇 xie rong
13 篇 xiongkuo min
12 篇 gao wen
11 篇 heming sun
11 篇 zhibo chen
11 篇 zhenzhong chen
11 篇 gao zhiyong

语言

3,406 篇 英文
49 篇 土耳其文
22 篇 中文
7 篇 其他

检索条件"任意字段=Conference on Visual Communications and Image Processing"

共 3470 条记录，以下是3241-3250 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：

Comparison of linear and non-linear video processing and evaluation for an MPEG2 codec

Comparison of linear and non-linear video processing and eva...

引用

1997 conference on visual communications and image processing

作者： Lucat, L Siohan, P CCETT (France)

ISBN: (纸本)0819424358

Considering a video signal which has been degraded by a PAL codec and a noisy transmission on a satellite channel, two digital filtering schemes are presented for reducing the different resulting signal distortions (cross-effect on the PAL-decoded signal components, impulses of the high-frequency demodulator, transmission noise) before its MPEG2 encoding. The first one deals with crossing-effect and transmission noise using a single non-linear filtering box, while the second scheme consists of several linear processing, each one devoted to one kind of distortion. Both filtering approaches are discussed, and their performances before and after the MPEG2 codec are compared, using objective, peak signal-to-noise ratio, as well as subjective, visual quality, criteria.

关键词： video processing MPEG2 pre-processing cross-color vector-median filter matched filtering

来源：评论

学校读者我要写书评

暂无评论

ATM source-channel image coding

ATM source-channel image coding

引用

1997 conference on visual communications and image processing

作者： Philippe, O Guedon, JP Terrien, F IRESTE (France)

ISBN: (纸本)0819424358

The Asynchronous Transfer Mode (ATM) appears as the standard protocol for image and video transmision. There is virtually no bandwidth limitations neither a restricted size of operating area. However, the main problem stands in the non secured transmission when ATM native applications are implemented. This induced a new way of encoding images where the redundancy (classically managed by the network protocol) is generated into the CoDec. In this paper, we present the Mojette transform that generates the redundancy at the higher level of the coder in order to safely transmit image data. Block and wavelet implementations associated with the Mojette transform are presented and compared not only from the coder point of view but for the source and the channel characteristics. For this specific case we also present the asynchronous Mojette reconstruction. An adapted object oriented model has been developped accordingly.

关键词： ATM Mojette transform image coding source-channel coding wavelet decomposition redundancy

来源：评论

学校读者我要写书评

暂无评论

Generation of arbitrarily focused images by using multiple differently focused images

Generation of arbitrarily focused images by using multiple d...

引用

1997 conference on visual communications and image processing

作者： Kodama, K Aizawa, K Hatori, M Univ. of Tokyo (Japan)

ISBN: (纸本)0819424358

In this paper, we propose a novel method of arbitrarily focused image acquisition using multiple differently focused images. First, we describe our previous select-and-merge method for all-focused image acquisition. We can get good results by using this method but it's not easy to extend this method for generating arbitrarily focused images. Then, based on the assumption that depth of the scene changes stepwise, we derive a formula for reconstruction between the desired arbitrarily focused image and multiple acquired images;we can reconstruct the arbitrarily focused image by iterative use of the formula. We also introduce coarse-to-fine estimation of PSFs of the acquired images. We show we can reconstruct arbitrarily focused images for a natural scene. In other words, we can simulate virtual cameras and synthesize images focused on arbitrarily depths.

关键词： PSF image reconstruction defocus estimate arbitrarily focused image image fusion

来源：评论

学校读者我要写书评

暂无评论

Motion tracking of color image sequences using neural networks

Motion tracking of color image sequences using neural networ...

引用

1997 conference on visual communications and image processing

作者： Iwata, H Nagahashi, H Tokyo Institute of Technology (Japan)

ISBN: (纸本)0819424358

Region segmentation of images is a well-known 'ill-posed problem', and a specific algorithm like regularization seems to be available. In this paper, an active region segmentation algorithm based on a regularization approach using the Hopfield neural network is proposed. The objective function to be minimized by the network is defined based on the criteria that integrate region growing and edge detection for the image segmentation. The energy of the network tends to converge on a local minimum, so that pyramid images are used to avoid such local minima and to achieve fast convergence. Moreover, the active region segmentation algorithm is applied to a sequence of color images to track an object region that change in appearance through complex and nonstationary background/foreground situations. Experimental results show that it's possible to segment images and track the object region using the minimization principle of the energy function of the Hopfield neural network.

关键词： motion tracking color image sequences active region segmentation Hopfield neural network

来源：评论

学校读者我要写书评

暂无评论

image compression using conditioning contexts

Image compression using conditioning contexts

引用

1997 conference on visual communications and image processing

作者： Muller, F Menser, B Aachen Univ. of Technology (Germany)

ISBN: (纸本)0819424358

A method for still image coding is proposed which allows for progressive transmission, because low detailed versions of the image can be reconstructed from a truncated bit stream. The proposed method is in its main aspects close to the classical pyramid approach of Burt and Adelson.(1) While retaining the main idea, of using a Laplacian pyramid type decomposition, the new proposal differs in the filters employed for pyramid decomposition and in the bit allocation and quantization. The image is decomposed into a centered spline Laplacian pyramid. The pyramid is quantized and coded following a layered quantization approach together with a layered coding method based on conditional arithmetic coding.(2) The encoder outputs an embedded bit stream. Thus the decoder may truncate the bitstream at any point, which results in a more or less detailed image. Besides this rate-distortion scalability the coder has a multiresolution property, due to the pyramid decomposition. An extension to hybrid video coding is also discussed.

关键词： conditioning contexts multiresolution centered spline pyramid scalable image coding lossy video compression

来源：评论

学校读者我要写书评

暂无评论

Adaptive lapped transform-based image and video coding

Adaptive lapped transform-based image and video coding

引用

1997 conference on visual communications and image processing

作者： Klausutis, TJ Madisetti, VK Georgia Institute of Technology (United States)

ISBN: (纸本)0819424358

We propose a design framework for perfectly reconstructed time-varying linear-phase paraunitary filter banks (LPPUFB) using a novel Adaptive Lapped Transform (ALT). The ALT is based on the Generalized Lapped Orthogonal Transform (GenLOT) proposed by Queiroz.(1) A time-varying filter bank is constructed through the factorization of the GenLOT into cascaded matrix stages. Variable length lapped transforms are subsequently generated by cascading a number of these matrix stages to build specific length filters. Several constraints on the design ensure perfect reconstruction and a fast implementation. An embedded ALT image codec is presented and the application of the ALT to the H.263 video coding standard is discussed. Preliminary results show that the ALT-based embeded image codec has a 1.61-2.35 and a 2.37-4.04 dB increase in peak signal-to-noise ratios (PSNR) compared to the JPEG(2) image coding standard for the Lenna and Barbara test images, respectively.

关键词： GenLOT transform coding image coding lapped transform time-varying filter bank

来源：评论

学校读者我要写书评

暂无评论

Optimized linear phase filter banks for wavelet image coding

Optimized linear phase filter banks for wavelet image coding

引用

visual communications and image processing 1998 conference

作者： Yang, XG Ramchandran, K Univ Illinois Beckman Inst Urbana IL 61801 USA

ISBN: (纸本)0819427497

In this paper, we address the issue of designing a two-channel linear phase biorthogonal filter bank that maximizes the two most desired properties for Che wavelet transform in image coding applications, namely, orthogonality and energy compaction. Proper cost functions are formulated for these two criteria and an efficient signal-adaptive optimization algorithm is proposed. Our algorithm is motivated by a number of interesting properties of the correlation matrix of typical image signals, and uses Lifting operations to efficiently represent the degrees of freedom subject to perfect reconstruction conditions. In addition, it offers a successive tradeoff between our two optimization goals. Experimental results on re popular Daubechies 9-7 and 10-18 filter banks reveal that considerable improvements in terms of both orthogonality and energy compaction can be achieved through the proposed optimization technique.

关键词： subband filters coding gain perfect reconstruction linear phase biorthogonality

来源：评论

学校读者我要写书评

暂无评论

Still-image compression using CVQ and wavelet transform

Still-image compression using CVQ and wavelet transform

引用

1997 conference on visual communications and image processing

作者： Lin, S Salari, E LG Electronics Inc. (United States) Univ. of Toledo (United States)

ISBN: (纸本)0819424358

Wavelet transform which provides a multiresolution representation of images has been widely used in image and video compression. An investigation of wavelet decomposition reveals the cross-correlation among subimages at different resolutions. To exploit this cross-correlation, a new scheme using classified vector quantization to encode wavelet coefficients is proposed in this paper. The original image is first decomposed into a hierarchy of three layers containing ten subimages by discrete wavelet transform. The lowest resolution (level 3) low frequency subimage is scalar quantized (with 8 bits/pixel) since it contains most of the energy of the wavelet coefficients. All high frequency subimages are vector quantized to utilize the cross-correlation among different resolutions. Vectors are constructed by combining the corresponding coefficients of the high frequency subimages of the same orientation at different resolutions. Classified vector quantization is used to reduce edge distortion and computational complexity. Computer simulations are carried out to evaluate the performance of the proposed method.

关键词： image compression wavelet transform classified vector quantization

来源：评论

学校读者我要写书评

暂无评论

3D interpolation for the digital restoration of 35mm film

3D interpolation for the digital restoration of 35mm film

引用

visual communications and image processing 1998 conference

作者： Muller, H Plaschzug, W Glatz, K Joanneum Res Inst Informat Syst A-8010 Graz Austria

ISBN: (纸本)0819427497

The celebration of the Centenary of Cinema in 1995 was the occasion to initiate new developments for the preservation of the international cinematic heritage and the restoration of old damaged films. 'Classical' film restoration is based on special printing machines to improve the duality of (safekeeping-) copies. Only a small class of artifacts can be removed with such a process because the unit of manipulation is always a whole image sequence. With the help of digital image processing techniques the restoration process can be adapted for each frame or even pixel. This creates new potentialities for the restoration of films beyond repair, especially nitrate based films produced before 1954 and early color films. This paper presents a short overview about a system for the digital restoration of image sequences, currently under development in the EUREKA project LIMELIGHT. After an introduction to the technical objectives and key figures, the restoration process (acquisition, sequence management. image processing, restitution) is described for the case of 35mm film. Algorithms for the detection of artifacts, such as dust? image vibrations, scratches, (partially) distorted frames and brightness variations, based on a morphological detector, which uses spatial properties-and a dynamic detector, based on motion analysis, are presented. Furthermore an algorithm for 3D image interpolation used for the removal of scratches and subtitles is described. The main problem is the reconstruction of the missing image content for more than one frame in the same spatial location. Application examples for each defect class are given.

关键词： image processing Motion estimation Detection and tracking algorithms image resolution image storage 3D image processing Digital image processing Digital imaging Sensors Motion analysis

来源：评论

学校读者我要写书评

暂无评论

Zerotree edge adaptive coder for low bit rate image transmission

Zerotree edge adaptive coder for low bit rate image transmis...

引用

1997 conference on visual communications and image processing

作者： Raffy, P Antonini, M Barlaud, M Univ. de Nice/Sophia Antipolis (France)

ISBN: (纸本)0819424358

The problem of quantizing sub-images of a multiresolution image decomposition while preserving edges is considered. For this purpose, we propose a coding algorithm which exploits both spatial and frequency location of wavelet coefficients within and across scales. This algorithm is dedicated to lour bit rate image coding. In this paper, we develop a new constrained quantizer based on a lagrangian formulation called Edge Adaptive Quantizer (EAQ). Given a significance map, this algorithm preserves significant coefficients while smoothing elsewhere. This is done by introducing a spatial adaptation term based on Markov Random Fields (MRF). A new criterion based on spatial models and entropy constraint is then derived. With this new formulation, a practical solution to the multiresolution optimization problem is presented in the form of a bit allocation procedure. An optimal quantizer is constructed minimizing this new criterion for a target bit rate. Experiments using constraint quantization demonstrate PSNR gains over standard uniform scalar quantization and appreciable visual improvements. A simple extension of the algorithm allows for the use of other scalar quantizers.

关键词： multiresolution coding constrained quantization Markov Random Fields bit allocation low bit rate coding

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347页 << < 321 322 323 324 325 326 327 328 329 330 > >>

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：