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updated 3 months ago

customGray by Brett Shoelson

Create a custom grayscale image of an RGB--specify weightings or select from predefined versions. (rgb2gray, grayscale, colorspace)

customGrayApp

customGray(imgin)

expandAxes(hndls,rotEnable)

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updated 3 months ago

SC - powerful image rendering by Oliver Woodford

Useful tool for rendering and outputting information rich images (plotting, image, overlay)

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updated 5 months ago

Cubehelix Colormaps by Stephen Cobeldick

Attractive full-color colormaps that also print in grayscale (keeping the sequence information). (colormap, color scheme, color)

cubehelix(N,start,rots,hue,gamma,rng)

cubehelix_find(map)

cubehelix_view(start,rots,hue,gamma,rng)

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updated 5 months ago

Color multi-frame view (RGB figure shadows) by Luke Xie

Creates color figure shadows - multiple shadows and multiple frames (2d, 3d, color)

multi_frame_viewRGB(files,we,be,ne,ie,gr)

example_script.m

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updated 6 months ago

Multiecho enhancement for 2D/3D (N-D) images by Luke Xie

Enhances images using a weighted sum or MEFIC. (2d, 3d, grayscale)

img2=multiecho_enhance(img,str,weights)

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updated 8 months ago

Hysteresis thresholding for 3D images (or 2D) by Luke Xie

Segments images based dual thresholding with 2D or 3D connectivity neighborhoods. (image processing, hysteresis, 3d)

[tri,hys]=hysteresis3d(img,t1,t2,conn)

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updated 1 year ago

Colormaps compatible with red-green color perception deficiencies by Matthias Geissbuehler

Colormaps for displaying data compatible with red-green color perception deficiencies (colormap, colormaps, linearincreasing brig...)

cmap=ametrine(n,varargin)

cmap=isolum(n,varargin)

cmap=morgenstemning(n,varargin)

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updated 2 years ago

Noncontact Speckle-Based Velocity Meter by Sagheb Kohpayeh Araghi

Finding a velocity of substance by using radon transform. (velocity, radon, image)

Johann

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updated almost 3 years ago

Region Growing (2D/3D grayscale) by Daniel

Recursive region growing algorithm for 2D/3D grayscale images with polygon and binary mask output (region growing, image analysis, image processing)

regionGrowing(cIM, initPos, thresVal, maxDist, tfMean, tf...

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updated 3 years ago

barcode reader by Indraneel Biswas

barcode reader which does not use thresholding (barcode, image processing, signal processing)

[X,P]=subPx(g,x,gMax,N)

[gw,xw]=movAvg(g,wt)

[pk,loc]=peakDetect(g,minHt,minDist)

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updated 3 years ago

meshCanopy by Sean de

Display a mesh above a grayscale image (mesh, slice, colormap)

meshCanopy(I,Mdata,Mmap,height)

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updated 4 years ago

gray2rgb by Gabriel Frangakis

Turns an m by n matrix into an m x n x 3 matrix. (image processing, gray2rgb, grayscale)

[Image]=gray2rgb(Image)

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updated 4 years ago

Add Uniform Noise by Ibraheem Al-Dhamari

Add uniform noise ranged from 0 to 255 to a graysscaled image. (add, noise, uniform)

NA=addnoise(A,sz)

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updated 4 years ago

Bipolar Colormap by Ged Ridgway

Symmetric/diverging/bipolar cold-neutral-hot colormap (colormap, color map, color scale)

Find a bipolar colormap, linear in grayscale, close to a ...

bipolar(m, n, interp)

colormap_optimization(cmap)

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updated 5 years ago

morphimage by Dima Pröfrock

Function to morph grayscale images. (geometric transformat..., image registration, morphing warping)

morphimage(orig,morphfield)

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updated 6 years ago

Hysteresis Thresholding by Massimo Fierro

C implementation of Hysteresis Thresholding (morphology, segmentation, hysteresis threshold)

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updated 7 years ago

Anisotropic Diffusion (Perona & Malik) by Daniel Lopes

A set of filters that perform 1D, 2D and 3D conventional anisotropic diffusion (gray scale data). (filtering, anisotropic, diffusion)

anisodiff1D(sig, num_iter, delta_t, kappa, option)

anisodiff2D(im, num_iter, delta_t, kappa, option)

anisodiff3D(vol, num_iter, delta_t, kappa, option, voxel_...

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updated 7 years ago

Callibrating an image by Gaurav Sehgal

This functions enables user to callibrate the image to get the relationship between pixel distance a (measurements, callibration, image)

callibration1(d)

pixvals(arg1, arg2)

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updated 7 years ago

simple RGB2grayscale converter by Steve

For beginners who are interested in color image conversions and need to understand how the conversio (color, rgb, grayscale)

rgb2grey(image_in)

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updated 7 years ago

Grayscale to RGB Converter by Valeriy Korostyshevskiy

Convert grayscale images to RGB using a specified colormap. (color, grayscale, rgb)

grs2rgb(img, map)

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updated 7 years ago

colorGray by Alexandre Tumlinson

Creates full spectrum, blue-green-orange-salmon, colormap that maps to linear grayscale. (annotation, customization, colormap)

colorGray(numLevels,debugplot)

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updated 8 years ago

Colormix by Atakan Varol

Quantizes a grayscale image and assigns random colors to each gray level. (fun, image processing, colormix)

colormix(I,n,disp)

demo_colormix.m

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updated 9 years ago

f_threshold by Evan Ruzanski

Demonstrates image grayscale thresholding operation in the frequency domain. (filtering, image thresholding, frequency domain)

f_threshold(file_name)

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updated 10 years ago

detect_boundary.zip by Alister Fong

Detects, sorts and classifies the boundries of multiple objects in a binary image. (image analysis, boundary, sort)

detect_boundary(input_image_small,direction)

display_boundary

larger_to_smaller_image(large_image,pixel_border)

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updated almost 11 years ago

3D Fractional Order Sunshaded Image by Gordon Cooper

Sunshaded image overlain on original data in 3D. (gallery, geophysics, sunshading)

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updated 11 years ago

Image Embedding by Ahmed Al-Ghazaly

Embedding a binary image into grayscale image. (gui, display, annotation)

image2planes2_1.m

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