Tristan Ursell

Attivo dal 2012

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Professional Interests: physics, biophysics, genetic algorithms, image processing, stochastic simulations

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Frechet Distance Calculator
Estimate the similarity between curves in space using the scalar Frechet Distance.

quasi 4 anni fa | 4 download |

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imread_big -- read in TIFF stacks larger than 4GB
Load any size TIFF stack, even those larger than 4GB.

quasi 5 anni fa | 7 download |

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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.

oltre 5 anni fa | 3 download |

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autocorr2d
Compute the 2D spatial autocorrelation of a matrix or image using the Wiener - Khintchine Theorem.

quasi 6 anni fa | 12 download |

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encoder.m decoder.m
Simple and instructive implementation of symmetric-key encryption and decryption.

circa 7 anni fa | 1 download |

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bandbank -- isotropic image spectral decomposition and filtering
Decompose images into spatially isotropic spectral component images.

circa 7 anni fa | 1 download |

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relnoise(Iin,sz,sigma,varargin)
Reduce image noise by measuring local pixel statistics and remapping intensities.

oltre 7 anni fa | 1 download |

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Generate Random Numbers from a 2D Discrete Distribution
Random numbers from any 2D discrete probability distribution, at any resolution.

circa 8 anni fa | 3 download |

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streamfun
A fast(er) and low overhead alternative to the stream2 function.

oltre 8 anni fa | 2 download |

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Active Figure Zoom for Selecting Points
Select points at a user-specified zoom level that moves around the image as you click.

oltre 10 anni fa | 2 download |

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Adaptive Colormap Function Creates a Colormap Specific to Data
Easily design and fit a colormap to the values in your data!

oltre 10 anni fa | 3 download |

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Connect Randomly Ordered 2D Points into a Minimal Nearest-Neighbor Closed Contour
Connects randomly ordered 2D points into a minimal nearest neighbor contour.

oltre 10 anni fa | 2 download |

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1D Non-derivative Peak Finder
Up-sample and filter noisy data to find peaks without using derivatives.

quasi 11 anni fa | 2 download |

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Find Image Extrema
Find local maxima, local minima, saddle points, and flat regions in an image.

quasi 11 anni fa | 2 download |

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Connected Component Analysis on an Undirected Graph
Connected component analysis on undirected graphs, with thresholding and connectivity constraints.

oltre 11 anni fa | 1 download |

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Create a Simulated Image of Diffraction Limited Spots with Noise
Create images with diffraction-limited spots of varying size and intensity, with noise.

circa 12 anni fa | 2 download |

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Copy Files in Batches using Search Terms
Copy files matching search terms, from sub-directories matching search terms into a new directory.

circa 12 anni fa | 1 download |

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File Name Search Function
Generate a list of file names that meet a set of text search criteria.

circa 12 anni fa | 1 download |

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Random Numbers from a Discrete Distribution
Simple algorithm to generate random numbers from a user-defined discrete probability distribution.

circa 12 anni fa | 7 download |

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Fire and/or Custom Colormap Function
Use the 'fire' colormap in Matlab, or create your own.

circa 12 anni fa | 4 download |

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2D Distance Transform of Arbitrary Points
Distance transform from arbitrary points at a user set resolution and range.

circa 12 anni fa | 1 download |

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Matrix Convolution with Sub-Pixel Resolution
Convolve two matrices at sub-pixel resolution, using bilinear interpolation.

circa 12 anni fa | 1 download |

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image_save
You know that annoying error when trying to write to an image stack in Matlab?

circa 12 anni fa | 1 download |

Tristan Ursell

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