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检索条件"机构=Pattern Recognition & Bioinformatics Delft University of Technology"
274 条 记 录,以下是11-20 订阅
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EDGE LOCALIZATION BY MOG FILTERS - MULTIPLE-OF-GAUSSIANS
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pattern recognition LETTERS 1994年 第5期15卷 485-496页
作者: VANVLIET, LJ VERBEEK, PW Pattern Recognition Group Faculty of Applied Physics Delft University of Technology Lorentzweg 1 2628 CJ Delft Netherlands
Zero-crossings in a second-derivative-of-Gaussian filtered image is a well-known edge location criterion. Examples are the Laplacian and directional second derivatives such as the second derivative in the gradient dir... 详细信息
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FREEMAN-CODE PROBABILITIES OF OBJECT BOUNDARY QUANTIZED CONTOURS
COMPUTER GRAPHICS AND IMAGE PROCESSING
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COMPUTER GRAPHICS AND IMAGE PROCESSING 1978年 第3期7卷 391-402页
作者: GROEN, FCA VERBEEK, PW Pattern Recognition Group Department of Applied Physics Delft University of Technology The Netherlands
The probability density functions of Freeman codes are given under the assumption that the curve segment may be approximated by a line segment in a grid column (or grid row). The a priori probability of odd or even Fr...
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Adaptive vectorization of line drawing images
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COMPUTER VISION AND IMAGE UNDERSTANDING 1997年 第1期65卷 38-56页
作者: Janssen, RDT Vossepoel, AM Delft University of Technology Faculty of Applied Physics Pattern Recognition Group Lorentzweg 1 2600 GA Delft The Netherlands
A novel method for vectorizing line drawing images is presented. The method is based on a sequence of a standard vectorization algorithm and maximum threshold morphology, which can be iterated until a fitting criterio... 详细信息
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A CLASS OF SAMPLING-ERROR FREE MEASURES IN OVERSAMPLED BAND-LIMITED IMAGES
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pattern recognition LETTERS 1985年 第4期3卷 287-292页
作者: VERBEEK, PW Pattern Recognition Group Dept. of Applied Physics Delft University of Technology The Netherlands
For a class of image measures a scheme is given to obtain new Nyquist rates that guarantee exact measuring results without analog reconstruction. Gradient-power weighting is a compatible alternative for binary contour... 详细信息
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CONTRAST ENHANCING FILTER FOR BANDED CHROMOSOMES
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COMPUTERS AND BIOMEDICAL RESEARCH 1978年 第4期11卷 325-335页
作者: VANZEE, GA GROEN, FCA Delft University of Technology Department of Applied Physics Pattern Recognition Group Lorentzweg 1 Delft The Netherlands
Enhancement of banding patterns in integrated density profiles is widely accepted as a necessary step in processing human chromosome images. In this paper a filter is presented which only enhances the frequencies of i...
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Barnes-Hut-SNE  1
Barnes-Hut-SNE
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1st International Conference on Learning Representations, ICLR 2013
作者: van der Maaten, Laurens Pattern Recognition and Bioinformatics Group Delft University of Technology Mekelweg 4 Delft2628 CD Netherlands
The paper presents an O(N log N)-implementation of t-SNE — an embedding technique that is commonly used for the visualization of high-dimensional data in scatter plots and that normally runs in O(N2). The new impleme... 详细信息
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RECURSIVE IMPLEMENTATION OF THE GAUSSIAN FILTER
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SIGNAL PROCESSING 1995年 第2期44卷 139-151页
作者: YOUNG, IT VANVLIET, LJ Pattern Recognition Group Faculty of Applied Physics Lorentzweg 1 Delft University of Technology NL-2628 CJ Delft Netherlands
In this paper we propose a recursive implementation of the Gaussian filter. This implementation yields an infinite impulse response filter that has six MADDs per dimension independent of the value of a in the Gaussian... 详细信息
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Calibration of the automated z-axis of a microscope using focus functions
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JOURNAL OF MICROSCOPY-OXFORD 1997年 第0期186卷 270-274页
作者: Boddeke, FR VanVliet, LJ Young, IT Pattern Recognition Group of the Faculty of Applied Physics Delft University of Technology Lorentzweg 1 2628 CJ Delft The Netherlands
Applications in automated microscopy and three-dimensional microscopy require careful calibration of the microscope system. This paper presents methods for calibration of the motorized z-axis (focus or optical axis) o... 详细信息
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VIEW ANGLE TRANSFORMATIONS
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pattern recognition LETTERS 1991年 第5期12卷 273-278页
作者: KOMEN, ER Pattern Recognition Group Faculty of Applied Physics Delft University of Technology Lorentzweg 1 2628 CL Delft Netherlands
A novel object operation is proposed, where each point in a destination image contains the value of the 'view angle' with which it can see the object in the source image. Thesholding a view angle image at 180-... 详细信息
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LOCAL DISTANCES FOR DISTANCE TRANSFORMATIONS IN 2 AND 3 DIMENSIONS
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pattern recognition LETTERS 1991年 第11期12卷 671-682页
作者: VERWER, BJH Pattern Recognition Group Faculty of Applied Physics Delft University of Technology Lorentzweg 1 2628 CJ Delft Netherlands
A unified treatment is presented for determining the distance between two points in a two- or three-dimensional digitized space. Instead of a global Euclidean distance, a distance transformation based upon a sequence ... 详细信息
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