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检索条件"主题词=Expectation maximization algorithms"
128 条 记 录,以下是111-120 订阅
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QUADTREE-STRUCTURED MULTIPLE RESOLUTION SEGMENTATION OF SOME COMPUTED IMAGES  15
QUADTREE-STRUCTURED MULTIPLE RESOLUTION SEGMENTATION OF SOME...
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CONF ON APPLICATIONS OF DIGITAL IMAGE PROCESSING 15
作者: LEI, TH ZHAO, Z Univ. of Maryland/Baltimore (United States)
Image statistics of some computed images and statistical history of the corresponding quadtree are analyzed. A new multiple resolution segmentation (MRS) approach using quadtree for these computed images is presented.... 详细信息
来源: 评论
REGULARIZED MULTIFRAME RESTORATION OF HUBBLE SPACE AND GROUND-BASED TELESCOPE IMAGES WITH PARALLEL IMPLEMENTATION  15
REGULARIZED MULTIFRAME RESTORATION OF HUBBLE SPACE AND GROUN...
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CONF ON APPLICATIONS OF DIGITAL IMAGE PROCESSING 15
作者: KLAUS, R BURKHARDT, H Technische Univ. Hamburg-Harburg (Germany)
The spherical aberration of the primary mirror of the Hubble Space Telescope (HST) has seriously reduced the sensitivity and degraded the resolution of images from the instruments. After the first period of observatio... 详细信息
来源: 评论
TRAINING A BOLTZMANN MACHINE FOR EDGE-PRESERVING IMAGE-RESTORATION  2
TRAINING A BOLTZMANN MACHINE FOR EDGE-PRESERVING IMAGE-RESTO...
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CONF ON NEURAL AND STOCHASTIC METHODS IN IMAGE AND SIGNAL PROCESSING 2
作者: BEDINI, L PANDOLFI, S TONAZZINI, A Istituto di Elaborazione della Informazione (Italy)
The most successful methods to stabilize inverse ill-posed problems in visual reconstruction use a priori information on the local regularity of the image as well as constraints on the geometry of the discontinuities.... 详细信息
来源: 评论
ESTIMATION-THEORETIC APPROACH TO THE DECONVOLUTION OF ATMOSPHERICALLY DEGRADED IMAGES WITH WAVE-FRONT SENSOR MEASUREMENTS  2
ESTIMATION-THEORETIC APPROACH TO THE DECONVOLUTION OF ATMOSP...
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Conference on Digital Image Recovery and Synthesis II
作者: SCHULZ, TJ MICHIGAN TECHNOL UNIV DEPT ELECT ENGNHOUGHTONMI 49931
Deconvolution from wavefront sensing (or self-referenced speckle holography) has previously been proposed as a post-detection processing technique for correcting turbulence-induced wavefront phase-errors in incoherent... 详细信息
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POISSON MAP SUPERRESOLUTION ESTIMATOR WITH SMOOTHNESS CONSTRAINT  2
POISSON MAP SUPERRESOLUTION ESTIMATOR WITH SMOOTHNESS CONSTR...
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CONF ON NEURAL AND STOCHASTIC METHODS IN IMAGE AND SIGNAL PROCESSING 2
作者: SEMENTILLI, PJ NADAR, MS HUNT, BR Univ. of Arizona (United States)
A well known problem associated with super-resolution of imagery is the introduction of oscillatory artifacts into the super-resolved object estimate. In this paper, we derive a Maximum A-Posteriori (MAP) object estim... 详细信息
来源: 评论
MULTISCALE STOCHASTIC APPROACH TO OBJECT DETECTION
MULTISCALE STOCHASTIC APPROACH TO OBJECT DETECTION
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Meeting on Visual Communications and Image Communication 93
作者: TRETTER, D BOUMAN, CA PURDUE UNIV W LAFAYETTEIN 47907
We present a method for object detection based on a novel multiscale stochastic model together with Bayesian estimation techniques. This approach results in a fast, general algorithm which may be easily trained for sp... 详细信息
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MODEL ADAPTIVE OPTIMAL IMAGE-RESTORATION  15
MODEL ADAPTIVE OPTIMAL IMAGE-RESTORATION
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CONF ON APPLICATIONS OF DIGITAL IMAGE PROCESSING 15
作者: JEFFS, BD PUN, WH Brigham Young Univ. (United States)
This work addresses the problem of restoring blurred and noise corrupted images when typical deterministic methods (least squares, max entropy, etc.) are not known to be optimal. The proposed approach is to adapt, bas... 详细信息
来源: 评论
SYSTEMATIC CONSTRUCTION OF ORDER-RECURSIVE LS ESTIMATION algorithms WITH ELEMENTARY ORTHOGONAL TRANSFORMATIONS  4
SYSTEMATIC CONSTRUCTION OF ORDER-RECURSIVE LS ESTIMATION ALG...
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4TH CONF ON ADVANCED SIGNAL PROCESSING algorithms, ARCHITECTURES, AND IMPLEMENTATIONS
作者: LING, F Motorola (United States)
This paper demonstrates that order-recursive least squares (ORLS) algorithms based on orthogonal transformations and hyperbolic transformations can be systematically constructed in two steps. The first step is to dete... 详细信息
来源: 评论
BLUR IDENTIFICATION AND IMAGE-RESTORATION WITH THE expectation maximization ALGORITHM  4
BLUR IDENTIFICATION AND IMAGE-RESTORATION WITH THE EXPECTATI...
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CONF ON PROPAGATION ENGINEERING
作者: DURACK, DL U.S. Army Atmospheric Sciences Lab. and New Mexico State Univ. (United States)
The iterative expectation-maximization (EM) algorithm for identifying unknown blur, noise, and image parameters under Gaussian modeling assumptions is described. A new form of the equations updating parameter estimate... 详细信息
来源: 评论
SIGNAL-PROCESSING WITH RADIAL BASIS FUNCTION NETWORKS USING expectation maximization ALGORITHM CLUSTERING
SIGNAL-PROCESSING WITH RADIAL BASIS FUNCTION NETWORKS USING ...
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CONF ON ADAPTIVE SIGNAL PROCESSING
作者: UKRAINEC, A HAYKIN, S McMaster Univ. (Canada)
Several researchers have investigated the usefulness ofradial basis function (RBF) neural networks for prediction of difficult (chaotic) time series.18 This paper demonstrates adaptive unsupervised / supervised learni... 详细信息
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