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By Topic

Image Processing, IEEE Transactions on

Issue 2 • Date Feb 1995

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Displaying Results 1 - 10 of 10
  • On cosine-modulated wavelet orthonormal bases

    Publication Year: 1995 , Page(s): 162 - 176
    Cited by:  Papers (17)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1052 KB)  

    Multiplicity M, K-regular, orthonormal wavelet bases (that have implications in transform coding applications) have previously been constructed by several authors. The paper describes and parameterizes the cosine-modulated class of multiplicity M wavelet tight frames (WTFs). In these WTFs, the scaling function uniquely determines the wavelets. This is in contrast to the general multiplicity M case... View full abstract»

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  • Likelihood calculation for a class of multiscale stochastic models, with application to texture discrimination

    Publication Year: 1995 , Page(s): 194 - 207
    Cited by:  Papers (18)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1436 KB)  

    A class of multiscale stochastic models based on scale-recursive dynamics on trees has previously been introduced. Theoretical and experimental results have shown that these models provide an extremely rich framework for representing both processes which are intrinsically multiscale, e.g., 1/f processes, as well as 1D Markov processes and 2D Markov random fields. Moreover, efficient optimal estima... View full abstract»

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  • Image coding with uniform and piecewise-uniform vector quantizers

    Publication Year: 1995 , Page(s): 140 - 146
    Cited by:  Papers (10)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (916 KB)  

    New lattice vector quantizer design procedures for nonuniform sources that yield excellent performance while retaining the structure required for fast quantization are described. Analytical methods for truncating and scaling lattices to be used in vector quantization are given, and an analytical technique for piecewise-linear multidimensional companding is presented. The uniform and piecewise-unif... View full abstract»

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  • A multidimensional nonlinear edge-preserving filter for magnetic resonance image restoration

    Publication Year: 1995 , Page(s): 147 - 161
    Cited by:  Papers (14)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1288 KB)  

    The paper presents a multidimensional nonlinear edge-preserving filter for restoration and enhancement of magnetic resonance images (MRI). The filter uses both interframe (parametric or temporal) and intraframe (spatial) information to filter the additive noise from an MRI scene sequence. It combines the approximate maximum likelihood (equivalently, least squares) estimate of the interframe pixels... View full abstract»

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  • A new parallel binary image shrinking algorithm

    Publication Year: 1995 , Page(s): 224 - 226
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (264 KB)  

    A new parallel binary image shrinking algorithm that can be considered as an improvement of Levialdi's (1972) parallel shrinking algorithm and can be used in many image labeling algorithms as a basic operation in order to reduce the storage requirements for local memory and speed up the labeling process is presented. This new parallel shrinking algorithm shrinks an n×n binary image to an ima... View full abstract»

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  • Three-dimensional subband coding of video

    Publication Year: 1995 , Page(s): 125 - 139
    Cited by:  Papers (78)  |  Patents (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1612 KB)  

    We describe and show the results of video coding based on a three-dimensional (3-D) spatio-temporal subband decomposition. The results include a 1-Mbps coder based on a new adaptive differential pulse code modulation scheme (ADPCM) and adaptive bit allocation. This rate is useful for video storage on CD-ROM. Coding results are also shown for a 384-kbps rate that are based on ADPCM for the lowest f... View full abstract»

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  • Parallel and local feature extraction: a real-time approach to road boundary detection

    Publication Year: 1995 , Page(s): 217 - 223
    Cited by:  Papers (21)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (716 KB)  

    Presents a system for the extraction of road boundaries from an image taken in an out-of-town environment. In this application, computational speed and performance play a fundamental role in the selection of the hardware platform and the design of algorithms. The algorithm has been designed to be implemented on a special-purpose mesh-connected SIR ID architecture, PAPRICA, which will be fitted to ... View full abstract»

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  • Color image coding using morphological pyramid decomposition

    Publication Year: 1995 , Page(s): 177 - 185
    Cited by:  Papers (4)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3584 KB)  

    Presents a new algorithm that utilizes mathematical morphology for pyramidal coding of color images. The authors obtain lossy color image compression by using block truncation coding at the pyramid levels to attain reduced data rates. The pyramid approach is attractive due to low computational complexity, simple parallel implementation, and the ability to produce acceptable color images at moderat... View full abstract»

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  • Halftone to continuous-tone conversion of error-diffusion coded images

    Publication Year: 1995 , Page(s): 208 - 216
    Cited by:  Papers (44)  |  Patents (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1128 KB)  

    Considers the problem of reconstructing a continuous-tone (contone) image from its halftoned version, where the halftoning process is done by error diffusion. The authors present an iterative nonlinear decoding algorithm for halftone-to-contone conversion and show simulation results that compare the performance of the algorithm to that of conventional linear low-pass filtering. They find that the ... View full abstract»

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  • On the modeling of DCT and subband image data for compression

    Publication Year: 1995 , Page(s): 186 - 193
    Cited by:  Papers (75)  |  Patents (7)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (652 KB)  

    Image subband and discrete cosine transform coefficients are modeled for efficient quantization and noiseless coding. Quantizers and codes are selected based on Laplacian, fixed generalized Gaussian, and adaptive generalized Gaussian models. The quantizers and codes based on the adaptive generalized Gaussian models are always superior in mean-squared error distortion performance but, generally, by... View full abstract»

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Aims & Scope

IEEE Transactions on Image Processing focuses on signal-processing aspects of image processing, imaging systems, and image scanning, display, and printing.

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Meet Our Editors

Editor-in-Chief
Scott Acton
University of Virginia
Charlottesville, VA, USA
E-mail: acton@virginia.edu 
Phone: +1 434-982-2003