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检索条件"机构=Computer Vision and Image Processing LabDepartment of Electrical and Computer Engineering"
145 条 记 录,以下是111-120 订阅
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A watermark for digital images
A watermark for digital images
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IEEE International Conference on image processing
作者: R.B. Wolfgang E.J. Delp Computer Vision and Image Processing Laboratory Purdue Multimedia Testbed Laboratory School of Electrical Engineering Purdue University West Lafayette IN USA
The growth of networked multimedia systems has magnified the need for image copyright protection. One approach used to address this problem is to add an invisible structure to an image that can be used to seal or mark... 详细信息
来源: 评论
A Bayesian approach to error concealment in encoded video streams
A Bayesian approach to error concealment in encoded video st...
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IEEE International Conference on image processing
作者: P. Salama N. Shroff E.J. Delp Computer Vision and Image Processing Laboratory Purdue Multimedia Testbed Laboratory School of Electrical Engineering Purdue University West Lafayette IN USA Purdue University System West Lafayette IN US
In ATM networks cell loss causes data to be dropped in the channel. When digital video is transmitted over these networks one must be able to reconstruct the missing data so that the impact of these errors is minimize... 详细信息
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Texture segmentation using hierarchical wavelet decomposition
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PATTERN RECOGNITION 1995年 第12期28卷 1819-1824页
作者: Salari, E Ling, Z Computer Vision and Image Processing Laboratory Department of Electrical Engineering University of Toledo Toledo OH 43606 U.S.A.
This paper presents a texture segmentation algorithm based on a hierarchical wavelet decomposition. Using Daubechies' four-tap filter, an original image is decomposed into three detail images and one approximate i... 详细信息
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Multiresolution sequential edge linking
Multiresolution sequential edge linking
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IEEE International Conference on image processing
作者: G.W. Cook E.J. Delp School of Electrical Engineering Computer Vision and Image Processing Laboratory Purdue University West Lafayette IN USA
We describe a multiresolution approach to edge detection using a sequential search algorithm. The use of a multiresolution image pyramid allows the integration of global edge information contained in lower resolutions... 详细信息
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Error concealment techniques for encoded video streams
Error concealment techniques for encoded video streams
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IEEE International Conference on image processing
作者: P. Salama N.B. Shroff E.J. Coyle E.J. Delp School of Electrical Engineering Computer Vision and Image Processing Laboratory Purdue University West Lafayette IN USA
In this paper we describe two error-recovery approaches for MPEG encoded video over ATM networks. The first approach aims at reconstructing each lost pixel by spatial interpolation from the nearest undamaged pixels. T... 详细信息
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A fast algorithm for video parsing using MPEG compressed sequences
A fast algorithm for video parsing using MPEG compressed seq...
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IEEE International Conference on image processing
作者: K. Shen E.J. Delp School of Electrical Engineering Computer Vision and Image Processing Laboratory Purdue University West Lafayette IN USA
Video parsing is a fundamental operation used in many digital video applications such as digital libraries and video servers. The accuracy and execution speed of the parsing algorithm is critical if large amounts of v... 详细信息
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AN INVESTIGATION OF JPEG image AND VIDEO COMPRESSION USING PARALLEL processing
AN INVESTIGATION OF JPEG IMAGE AND VIDEO COMPRESSION USING P...
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1994 IEEE International Conference on Acoustics, Speech and Signal processing
作者: COOK, GW DELP, EJ Computer Vision Ond Image Processing Laboratory School of Electrical Engineering Purdue University West Lafayette IN 47907-1285 United States
The problem inherent with any digital image (or digital video) system is the large amount of bandwidth required for transmission or storage. This has driven the research area of image compression to develop more compl... 详细信息
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An investigation of JPEG image and video compression using parallel processing
An investigation of JPEG image and video compression using p...
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International Conference on Acoustics, Speech, and Signal processing (ICASSP)
作者: G.W. Cook E.J. Delp Computer Vision and Image Processing Laboratory School of Electrical Engineering Purdue University West Lafayette IN USA
The problem inherent with any digital image (or digital video) system is the large amount of bandwidth required for transmission or storage. This has driven the research area of image compression to develop more compl... 详细信息
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Parameter estimation and segmentation of noisy or textured images using the EM algorithm and MPM estimation
Parameter estimation and segmentation of noisy or textured i...
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IEEE International Conference on image processing
作者: M.L. Comer E.J. Delp Computer Vision and Image Processing Laboratory School of Electrical Engineering Purdue University West Lafayette IN USA
Presents a new algorithm for segmentation of noisy or textured images using the expectation-maximization (EM) algorithm for estimating parameters of the probability mass function of the pixel class labels and the maxi... 详细信息
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Analysis of texture images using robust fractal description
Analysis of texture images using robust fractal description
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1995 IEEE Southwest Symposium on image Analysis and Interpretation, IAI 1994
作者: Avadhanam, N. Mitra, S. Center for Image Processing and Integrated Computing Dept. of Electr. and Comput. Eng. California Univ. DavisCA95616 United States Computer Vision and Image Analysis Lab Dept. of Electrical Engineering Texas Tech University LubbockTX79401 United States
A maximum likelihood estimation (MLE) method is used to estimate the fractal dimension of a number of natural texture images with and without the presence of noise. An additional texture measure which can be linked to... 详细信息
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