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检索条件"机构=Signal and Data Compression Laboratory Department of Electrical and Computer Engineering"
116 条 记 录,以下是101-110 订阅
Multifractal wavelet compression of fingerprints
Multifractal wavelet compression of fingerprints
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Communications, Power and Computing Conference: WESCANEX
作者: E. Jang W. Kinsner Signal and Data Compression Laboratory Department of Electrical and Computer Engineering University of Manitoba Winnipeg MAN Canada
This paper presents compression of grey-scale fingerprint images, using a wavelet transform guided by a multifractal measure to obtain the best reconstructed image in terms of a higher peak signal to noise ratio, PSNR... 详细信息
来源: 评论
Image compression through fractal surface interpolation and wavelet compression
Image compression through fractal surface interpolation and ...
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Communications, Power and Computing Conference: WESCANEX
作者: R. Dansereau W. Kinsner Department of Electrical and Computer Engineering Signal and Data Compression Laboratory University of Manitoba Winnipeg MAN Canada
The paper presents a perceptual image representation technique based on fractal surface interpolation (FSI), This technique is motivated from the observation that images taken from the real world contain many textures... 详细信息
来源: 评论
Enhanced fractal image coding by combining IFS and VQ
Enhanced fractal image coding by combining IFS and VQ
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IEEE International Conference on Image Processing
作者: J.-L. Dugelay A. Gersho Department of Multimedia Communications Institut EURECOM France Signal Compression Laboratory Department of Electrical & Computer Engineering University of California Santa Barbara CA USA
A novel paradigm for fractal coding selectively corrects the fractal code for selected domain blocks with an image-adaptive VQ codebook. The codebook is generated from the initial uncorrected fractal code and is there... 详细信息
来源: 评论
Singularity processing of nonstationary signals
Singularity processing of nonstationary signals
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Canadian Conference on electrical and computer engineering (CCECE)
作者: A. Langi W. Kinsner Department of Electrical and Computer Engineering Signal and Data Compression Laboratory University of Manitoba MAN Canada
This paper presents a new approach in processing nonstationary signals-such as speech signals and images-through singularity characterization. In this approach, we associate a singular measure /spl mu//sub f(t/) (r) w... 详细信息
来源: 评论
Perceptual image compression through fractal surface interpolation
Perceptual image compression through fractal surface interpo...
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Canadian Conference on electrical and computer engineering (CCECE)
作者: R. Dansereau W. Kinsner Department of Electrical and Computer Engineering Signal and Data Compression Laboratory University of Manitoba Winnipeg MAN Canada
This paper presents a perceptual image compression technique using fractal surface interpolation (FSI). This technique relies on the extraction and reconstruction of self-affine fractal surfaces with a specified Hurst... 详细信息
来源: 评论
Image compression with singularity preservation
Image compression with singularity preservation
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Canadian Conference on electrical and computer engineering (CCECE)
作者: A. Langi W. Kinsner Department of Electrical and Computer Engineering Signal and Data Compression Laboratory and TRLabs University of Manitoba Winnipeg MAN Canada
This paper presents a new approach to lossy image compression through singularity preservation to obtain high compression ratios. The concept of this approach is based on a conjecture that image singularities carry mo... 详细信息
来源: 评论
Image denoising for reduced-search fractal block coding
Image denoising for reduced-search fractal block coding
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Canadian Conference on electrical and computer engineering (CCECE)
作者: S. Bal W. Kinsner Data Networking and Software Telecommunications Research Laboratories Winnipeg MAN Canada Signal and Data Compression Laboratory Department of Electrical and Computer Engineering University of Manitoba Winnipeg MAN Canada
This paper examines the process of image denoising to improve the efficiency of the reduced-search fractal block coding (FBC) of greyscale images by reducing the first-order entropy of the image. The reduced-search FB... 详细信息
来源: 评论
compression of aerial ortho images based on image denoising
Compression of aerial ortho images based on image denoising
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data compression Conference (DCC)
作者: A. Langi W. Kinsner TR Laboratories Telecommunications Research Laboratories Winnipeg MAN Canada Department of Electrical and Computer Engineering Signal and Data Compression Laboratory University of Manitoba Winnipeg MAN Canada
Abstract only given. Discusses the compression of an important class of computer images, called aerial ortho images, that result from geodetic transformation computations [Kinsner, 1994]. The computations introduce nu... 详细信息
来源: 评论
A radio transmitter fingerprinting system ODO-1
A radio transmitter fingerprinting system ODO-1
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Canadian Conference on electrical and computer engineering (CCECE)
作者: J. Toonstra W. Kinsner Dept. of Electr. & Comput. Eng. Manitoba Univ. Winnipeg Man. Canada Department of Electrical and Computer Engineering Signal and Data Compression Laboratory University of Manitoba Winnipeg MAN Canada
This paper presents a new method for the capture, analysis, and classification of radio transmitter transients. This method involves the use of a capturing subsystem consisting of an Icom IC-R7000 communications recei... 详细信息
来源: 评论
Multimode spectral coding of speech at 2400 bps and below
Multimode spectral coding of speech at 2400 bps and below
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1995 IEEE Workshop on Speech Coding for Telecommunications, SCFT 1995
作者: Das, Amitava Gersho, Allen Signal Compression Laboratory Department of Electrical and Computer Engineering University of California Santa BarbaraCA93106 United States
We present a low bit rate multimode speech coding algorithm which applies a suitable spectral model and a custom quantization scheme to each frame according to the selected mode. For unvoiced speech, the spectrum is c... 详细信息
来源: 评论