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检索条件"任意字段=Conference on Wavelet Applications in Signal and Image Processing II"
3130 条 记 录,以下是241-250 订阅
排序:
image compression algorithm using wavelet transform  39
Image compression algorithm using wavelet transform
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conference on applications of Digital image processing XXXIX
作者: Cadena, Luis Cadena, Franklin Simonov, Konstantin Zotin, Alexander Okhotnikov, Grigory Univ Fuerzas Armadas ESPE Av Gral Ruminahui S-N Sangolqui Ecuador Colegio Juan Suarez Chacon Quito Ecuador Inst Computat Modelling SB RAN 50-44 Akademgorodok Str Krasnoyarsk Russia Siberian State Aerosp Univ 31 Krasnoyarsky Rabochy Pr Krasnoyarsk Russia St Petersburg State Univ Univ Skaya Embankment 7-9 St Petersburg Russia
Within the multi-resolution analysis, the study of the image compression algorithm using the Haar wavelet has been performed. We have studied the dependence of the image quality on the compression ratio. Also, the var... 详细信息
来源: 评论
Application of wavelet transform in characterization of nonlinear optical materials
Application of wavelet transform in characterization of nonl...
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4th conference on wavelet applications in signal and image processing
作者: Sanghadasa, M UNIV ALABAMA DEPT PHYSHUNTSVILLEAL 35899
wavelet transform technique is applied to the analysis of data collected in experiments on the characterization of nonlinear optical materials which may be in the form of liquid, thin film or crystal. Many characteriz... 详细信息
来源: 评论
wavelet filter evaluation for image watermarking
Wavelet filter evaluation for image watermarking
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2003 IEEE International conference on Accoustics, Speech, and signal processing
作者: Yang, Shih-Hsuan
Efficient image watermarking techniques have been developed in the wavelet domain. Similar to other wavelet-based image processing, the choice of wavelet filters generally affects the performance of a wavelet-based wa... 详细信息
来源: 评论
Discrete wavelet transforms over finite sets: a general approach
Discrete wavelet transforms over finite sets: a general appr...
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conference on wavelets - applications in signal and image processing IX
作者: Kamstra, L Ctr Math & Comp Sci NL-1090 GB Amsterdam Netherlands
The discrete wavelet transform was introduced as a linear operator. It works on signals that are modeled as functions from the integers into the real or complex numbers. Since many signals have finite function values,... 详细信息
来源: 评论
2D dual-tree complex biorthogonal M-band wavelet transform
2D dual-tree complex biorthogonal <i>M</i>-band wavelet tran...
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32nd IEEE International conference on Acoustics, Speech and signal processing
作者: Chaux, Caroline Pesquet, Jean-Christophe Duval, Laurent Univ Marne La Vallee Inst Gaspard Monge F-77454 Marne La Vallee France IFP Inst Francais Petr Technol Comp Sci & Appl Math Div F-92500 Malmaison France
Dual-tree wavelet transforms have recently gained popularity [1] since they provide low-redundancy directional analyses of images. In our recent work, dyadic real dual-tree decompositions have been extended to the M-b... 详细信息
来源: 评论
Comparison of algorithms for the fast computation of the continuous wavelet transform
Comparison of algorithms for the fast computation of the con...
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4th conference on wavelet applications in signal and image processing
作者: Vrhel, MJ Lee, C Unser, M NIH BIOMED ENGN & INSTRUMENTAT PROGRAMNATL CTR RES RESOURCESBETHESDAMD 20892
We introduce a general framework for computing the continuous wavelet transform (CWT). Included in this framework is an FFT implementation as well as fast algorithms which achieve O(1) complexity per wavelet coefficie... 详细信息
来源: 评论
Construction of shift-orthogonal wavelets using splines
Construction of shift-orthogonal wavelets using splines
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4th conference on wavelet applications in signal and image processing
作者: Unser, M Thevenaz, P Aldroubi, A NIH BIOMED ENGN & INSTRUMENTAT PROGRAMNATL CTR RES RESOURCESBETHESDAMD 20892
We present examples of a new type of wavelet basis functions that are orthogonal across shifts, but not across scales. The analysis functions are low order splines while the synthesis functions are polynomial splines ... 详细信息
来源: 评论
Interpolation and denoising of piecewise smooth signals by wavelet regularization
Interpolation and denoising of piecewise smooth signals by w...
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wavelets - applications in signal and image processing X conference
作者: Choi, H Baraniuk, R Rice Univ Dept Elect & Comp Engn Houston TX 77251 USA
In this paper, we link concepts from nonuniform sampling, smoothness function spaces, interpolation, and wavelet denoising to derive a new multiscale interpolation algorithm for piecewise smooth signals. We formulate ... 详细信息
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Regularized image restoration in nuclear medicine
Regularized image restoration in nuclear medicine
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conference on wavelet applications in signal and image processing Vii
作者: Jammal, G Bijaoui, A Tech Univ Darmstadt D-64283 Darmstadt Germany
The problem we are interested in is the restoration of nuclear medicine images acquired by a gamma camera. In a previous paper(1) the authors have developed a wavelet, based filtering method enabling to remove one of ... 详细信息
来源: 评论
image deblocking via multiscale edge processing
Image deblocking via multiscale edge processing
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4th conference on wavelet applications in signal and image processing
作者: Lu, J APPLE COMP INC DEPT COMPRESS & SIGNAL PROCCUPERTINOCA 95014
Blocking artifacts are the most objectionable drawback of block-based image and video coders. We describe a novel technique for removing blocking artifacts via multiscale edge processing. The new technique exploits th... 详细信息
来源: 评论