Tristan Ursell
Last seen: 10 months ago
University of Oregon
23 total contributions since 2012Professional Interests: physics, biophysics, genetic algorithms, image processing, stochastic simulations
Tristan Ursell's Badges
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Awarded to Tristan Ursell on 01 Nov 2019
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Awarded to Tristan Ursell on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to Tristan Ursell on 09 Oct 2019
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Awarded to Tristan Ursell on 09 Oct 2019
Submitted
Frechet Distance Calculator
Estimate the similarity between curves in space using the scalar Frechet Distance.
1 year ago | 13 downloads |
Submitted
imread_big -- read in TIFF stacks larger than 4GB
Load any size TIFF stack, even those larger than 4GB.
2 years ago | 19 downloads |
Submitted
imageautocorr -- Autocorrelation of time-ordered data
Performs autocorrelation of time-ordered data or images, to output an autocorrelation matrix with values ranging from -1 to 1.
3 years ago | 1 download |
Submitted
autocorr2d
Compute the 2D spatial autocorrelation of a matrix or image using the Wiener - Khintchine Theorem.
3 years ago | 18 downloads |
Submitted
encoder.m decoder.m
Simple and instructive implementation of symmetric-key encryption and decryption.
4 years ago | 4 downloads |
Submitted
bandbank -- isotropic image spectral decomposition and filtering
Decompose images into spatially isotropic spectral component images.
4 years ago | 1 download |
Submitted
relnoise(Iin,sz,sigma,varargin)
Reduce image noise by measuring local pixel statistics and remapping intensities.
4 years ago | 2 downloads |
Submitted
Generate Random Numbers from a 2D Discrete Distribution
Random numbers from any 2D discrete probability distribution, at any resolution.
5 years ago | 7 downloads |
Submitted
streamfun
A fast(er) and low overhead alternative to the stream2 function.
6 years ago | 2 downloads |
Submitted
Active Figure Zoom for Selecting Points
Select points at a user-specified zoom level that moves around the image as you click.
7 years ago | 2 downloads |
Submitted
Adaptive Colormap Function Creates a Colormap Specific to Data
Easily design and fit a colormap to the values in your data!
7 years ago | 1 download |
Submitted
Connect Randomly Ordered 2D Points into a Minimal Nearest-Neighbor Closed Contour
Connects randomly ordered 2D points into a minimal nearest neighbor contour.
7 years ago | 5 downloads |
Submitted
1D Non-derivative Peak Finder
Up-sample and filter noisy data to find peaks without using derivatives.
8 years ago | 7 downloads |
Submitted
Find Image Extrema
Find local maxima, local minima, saddle points, and flat regions in an image.
8 years ago | 4 downloads |
Submitted
Connected Component Analysis on an Undirected Graph
Connected component analysis on undirected graphs, with thresholding and connectivity constraints.
9 years ago | 1 download |
Submitted
Create a Simulated Image of Diffraction Limited Spots with Noise
Create images with diffraction-limited spots of varying size and intensity, with noise.
9 years ago | 5 downloads |
Submitted
Copy Files in Batches using Search Terms
Copy files matching search terms, from sub-directories matching search terms into a new directory.
9 years ago | 0 downloads |
Submitted
File Name Search Function
Generate a list of file names that meet a set of text search criteria.
9 years ago | 1 download |
Submitted
Random Numbers from a Discrete Distribution
Simple algorithm to generate random numbers from a user-defined discrete probability distribution.
9 years ago | 11 downloads |
Submitted
Fire and/or Custom Colormap Function
Use the 'fire' colormap in Matlab, or create your own.
9 years ago | 10 downloads |
Submitted
2D Distance Transform of Arbitrary Points
Distance transform from arbitrary points at a user set resolution and range.
9 years ago | 2 downloads |
Submitted
Matrix Convolution with Sub-Pixel Resolution
Convolve two matrices at sub-pixel resolution, using bilinear interpolation.
9 years ago | 1 download |
Submitted
image_save
You know that annoying error when trying to write to an image stack in Matlab?
9 years ago | 1 download |
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