David Young
University of Sussex and University of Southampton
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Affine optic flow
Estimates the parameters of an affine (first-order) optic flow model from two images.
9 years 前 | 7 次下载 |
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Hough transform for circles
A Hough transform function for detecting circles, optimised to allow search over radii.
9 years 前 | 8 次下载 |
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Sinkhorn-Knopp algorithm for matrix normalisation
Normalises a matrix so that the row and column sums are all unity
10 years 前 | 4 次下载 |
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Rotate images with automatic cropping
The blank triangles that appear in the corners of rotated images are cropped away.
11 years 前 | 2 次下载 |
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Gradients with Gaussian smoothing
Grey-level gradients are estimated using Gaussian smoothing followed by symmetric differencing.
11 years 前 | 1 次下载 |
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A multidimensional map class
MapN provides a map class similar to containers.Map, but with multidimensional keys.
11 years 前 | 1 次下载 |
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TerraSAR-X and TanDEM-X tools
Read and convert TerraSAR-X and TanDEM-X COSAR files
11 years 前 | 1 次下载 |
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Fast 2-D convolution
Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases.
11 years 前 | 13 次下载 |
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Canny edge detection in 2-D and 3-D
A Canny edge detector for two-dimensional image and three-dimensional volume data.
11 years 前 | 8 次下载 |
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Max and min keeping NaNs
The max and min functions ignore NaN values. These functions keep them like arithmetic functions do.
12 years 前 | 2 次下载 |
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Image correspondences using cross-correlation
Find matching features in pairs of images using normalised cross-correlation: class file and demo.
14 years 前 | 2 次下载 |
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Extended Brookshear Machine emulator and assembler
Emulator and assembler for a simple computer, a teaching aid for computer science courses.
14 years 前 | 2 次下载 |
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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)).
14 years 前 | 1 次下载 |
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2-D convolution using the FFT
Convolution in 2-D using the Fast Fourier Transform.
14 years 前 | 5 次下载 |
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Fourier transform demonstration
An introductory demonstration of the discrete Fourier transform, making use of the fft function.
15 years 前 | 4 次下载 |
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Extended array indexing
Indexes a virtual array formed by extending an array indefinitely on each dimension.
15 years 前 | 1 次下载 |
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Log-polar image sampling
Resamples an image from a conventional grid to a log-polar grid, and back.
15 years 前 | 1 次下载 |
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Elementary Cellular Automata
Simulates any 1D nearest-neighbour binary cellular automaton.
15 years 前 | 2 次下载 |
