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检索条件"任意字段=Conference on Visual Communications and Image Processing"
3470 条 记 录,以下是3171-3180 订阅
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A visual tracking system for sports video annotation in unconstrained environments
A visual tracking system for sports video annotation in unco...
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IEEE International conference on image processing
作者: A. Tomita T. Echigo M. Knrokawa H. Miyamori S. Iisaku Tokyo Research Laboratory IBM Research Japan Communications Research Laboratory Ministry of Posts and Telecommunications Japan
A visual tracking system is presented in which a combination of techniques is used to obtain motion features of objects from a video sequence. Further processing of the motion features gives the spatio-temporal trajec... 详细信息
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On the necessary density for spectrum-blind nonuniform sampling subject to quantization
On the necessary density for spectrum-blind nonuniform sampl...
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International conference on Acoustics, Speech, and Signal processing (ICASSP)
作者: M. Gastpar Y. Bresler Swiss Federal Institute of Technology Audio Visual Communications Laboratory Lausanne Switzerland
It is known that in the absence of distortion, the necessary sampling density for a multiband signal is given by its spectral occupancy. However, in general, the samples have to be acquired nonuniformly. There exist s... 详细信息
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Texture modeling and classification in wavelet feature space
Texture modeling and classification in wavelet feature space
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IEEE International conference on image processing
作者: M.N. Shirazi H. Noda N. Takao Communications Research Laboratories Kobe Japan Kyushu Institute of Technology Kitakyushu Japan
One difficulty of texture analysis and classification in the past was the lack of adequate tools to characterize textures over different scales. Previous developments in multiresolution analysis, such as the wavelet t... 详细信息
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Human perception of mismatched stereoscopic 3D inputs
Human perception of mismatched stereoscopic 3D inputs
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IEEE International conference on image processing
作者: L.B. Stelmach W.J. Tam D.V. Meegan A. Vincent P. Corriveau Communications Rcscarch Centre Ottawa Canada
The bandwidth required to transmit stereoscopic video images is nominally twice that required for standard, monoscopic images. One method of reducing the required bandwidth is to code the two video streams asymmetrica... 详细信息
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Texture similarity measurement using Kullback-Leibler distance on wavelet subbands
Texture similarity measurement using Kullback-Leibler distan...
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IEEE International conference on image processing
作者: M.N. Do M. Vetterli Laboratory for Audio-visual Communications Swiss Federal Institute of Technology Lausanne Switzerland Department of EECS University of California Berkeley Berkeley CA USA
The focus of this work is on using texture information for searching, browsing and retrieving images from a large database. In the wavelet approaches, texture is characterized by its energy distribution in the decompo... 详细信息
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Indexing spatial content of still texture in MPEG-4
Indexing spatial content of still texture in MPEG-4
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European Signal processing conference (EUSIPCO)
作者: Jayank Bhalod V Mohammed Zubair S. Panchanathan Visual Computing and Communications Laboratory Department of Computer Science and Engineering Arizona State University Tempe - Arizona USA
There has been a rapid increase in audio-visual information in digital form with the ever-increasing popularity of the Internet. The Moving Pictures Expert Group has recently presented a video compression and content ... 详细信息
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A system for the automatic extraction of 3-D facial feature points for face model calibration
A system for the automatic extraction of 3-D facial feature ...
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IEEE International conference on image processing
作者: Yong Yan K. Challapali Video Communications Department Philips Research Briarcliff Manor NY USA
The emergence of the MPEG-4 standard has facilitated the development of new approaches to very-low bitrate coding, including model-based coding for human faces. As a tool in the synthetic/natural hybrid coding part of... 详细信息
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Low-bit-rate scalable compression of mobile wireless video
Low-bit-rate scalable compression of mobile wireless video
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IEEE Region 10 International conference TENCON
作者: R. Fakeh A.A.A. Ghani M.Y.M. Saman A.R. Ramli Faculty of Computer Science and Information Technology Universiti Putra Malaysia Serdang Malaysia Deptartment Of Computer & Communication Systems Engineering Faculty of Engineering Universiti Putra Malaysia Serdang Selangor Darul Ehsan Malaysia
Low bit rate video coding has triggered intensive research in both academia and industry. To address the problem of heterogeneity, and meeting a very small bandwidth of mobile wireless networks, low bit rate scalable ... 详细信息
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Low delay foveated visual communications over wireless channels
Low delay foveated visual communications over wireless chann...
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International conference on image processing (ICIP'99)
作者: Lee, Sanghoon Bovik, Alan C. Kim, Young Yong Univ of Texas at Austin Austin United States
The great potential of `foveated imaging' lies in the entropy reduction relative to the original image while minimizing the loss of visual information. Utilizing human foveation combined with video compression, as... 详细信息
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Estimation of feature parameters in model-based image coding system for video conference
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Proceedings of SPIE - The International Society for Optical Engineering 1999年 第I期3653卷 465-472页
作者: Yu, Lu Liu, Yunhai Yao, Qingdong Zhejiang Univ Hangzhou China
Model-based image coding is a well-known solution for image communication at very low bit-rate. But very complex techniques and large amount of computation are involved in these systems. It is especially difficult to ... 详细信息
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