David Young
University of Sussex and University of Southampton
Followers: 0 Following: 0
Professional Interests: Image Processing
Statistiques
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5 Questions
641 Réponses
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60.0%
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20 Fichiers
TÉLÉCHARGEMENTS
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ALL TIME TÉLÉCHARGEMENTS
91033
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0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
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NOMBRE MOYEN DE LIKES
Accept 2 answers given by other contributors
Awarded to David Young on 15 Feb 2022
Contribute at least one answer each month for 12 consecutive months
Awarded to David Young on 20 Jul 2017
Solve all the problems in Cody Challenge
Awarded to David Young on 23 Jul 2024
Solve a problem with a best solution
Awarded to David Young on 24 Feb 2012
Your submissions were downloaded 250 or more times in a month
Awarded to David Young on 01 Nov 2019
Publish your first review
Awarded to David Young on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to David Young on 09 Oct 2019
Publish your first submission
Awarded to David Young on 09 Oct 2019
Accept 1 answer given by other contributors
Awarded to David Young on 20 Jul 2017
Answer 3 questions that were unanswered for more than 30 days
Awarded to David Young on 20 Jul 2017
100 of your answers have been accepted
Awarded to David Young on 20 Jul 2017
Feeds
A soumis
Affine optic flow
Estimates the parameters of an affine (first-order) optic flow model from two images.
presque 9 ans il y a | 5 téléchargements |
A soumis
Hough transform for circles
A Hough transform function for detecting circles, optimised to allow search over radii.
presque 9 ans il y a | 25 téléchargements |
A soumis
Sinkhorn-Knopp algorithm for matrix normalisation
Normalises a matrix so that the row and column sums are all unity
environ 9 ans il y a | 4 téléchargements |
A soumis
Rotate images with automatic cropping
The blank triangles that appear in the corners of rotated images are cropped away.
environ 10 ans il y a | 1 téléchargement |
A soumis
Gradients with Gaussian smoothing
Grey-level gradients are estimated using Gaussian smoothing followed by symmetric differencing.
environ 10 ans il y a | 6 téléchargements |
A soumis
A multidimensional map class
MapN provides a map class similar to containers.Map, but with multidimensional keys.
plus de 10 ans il y a | 1 téléchargement |
A soumis
TerraSAR-X and TanDEM-X tools
Read and convert TerraSAR-X and TanDEM-X COSAR files
plus de 10 ans il y a | 1 téléchargement |
A soumis
Fast 2-D convolution
Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases.
plus de 10 ans il y a | 5 téléchargements |
A soumis
Canny edge detection in 2-D and 3-D
A Canny edge detector for two-dimensional image and three-dimensional volume data.
presque 11 ans il y a | 7 téléchargements |
A soumis
emptyStruct
Creates empty struct arrays of various kinds
presque 11 ans il y a | 1 téléchargement |
A soumis
Max and min keeping NaNs
The max and min functions ignore NaN values. These functions keep them like arithmetic functions do.
presque 11 ans il y a | 2 téléchargements |
A soumis
Image correspondences using cross-correlation
Find matching features in pairs of images using normalised cross-correlation: class file and demo.
presque 13 ans il y a | 8 téléchargements |
A soumis
Extended Brookshear Machine emulator and assembler
Emulator and assembler for a simple computer, a teaching aid for computer science courses.
presque 13 ans il y a | 1 téléchargement |
A soumis
Logarithm of complex sine and cosine avoiding overflow
Functions to compute log(sin(Z)) and log(cos(Z)) avoiding overflow for large abs(imag(Z)).
environ 13 ans il y a | 1 téléchargement |
A soumis
2-D convolution using the FFT
Convolution in 2-D using the Fast Fourier Transform.
plus de 13 ans il y a | 13 téléchargements |
A soumis
Fourier transform demonstration
An introductory demonstration of the discrete Fourier transform, making use of the fft function.
environ 14 ans il y a | 21 téléchargements |
A soumis
Extended array indexing
Indexes a virtual array formed by extending an array indefinitely on each dimension.
plus de 14 ans il y a | 1 téléchargement |
A soumis
Log-polar image sampling
Resamples an image from a conventional grid to a log-polar grid, and back.
plus de 14 ans il y a | 5 téléchargements |
A soumis
Elementary Cellular Automata
Simulates any 1D nearest-neighbour binary cellular automaton.
plus de 14 ans il y a | 2 téléchargements |
A soumis
Gabor function masks
Create Gabor-function convolution masks
presque 16 ans il y a | 1 téléchargement |
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