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Code Listing by David Legland

Code 1-9 of 9   






Computes the min and max values within the input array, convert to 256 values, and apply a colormap to produce a color image (RGB).

It is possible to specifies the range of values to consider, as well as the background color (used for NaN values).

Example:
% Display a default matrix
subplot(1, 2, 1);
imshow(peaks(128), []);
title('as double')
% display the coresponding RGB image
subplot(1, 2,...



Computes region adjacency graph of a labeled 2D or 3D image.

Two regions are considered as neighbor if they are separated by a background (i. e. with color 0) pixel in the horizontal or vertical direction, as well as depth direction for...



Library to handle and visualize geometric primitives such as points, lines, circles and ellipses, polylines and polygons...

The goal is to provide a low-level library for manipulating geometrical primitives, making easier the...



The function "imInertiaEllipsoid" computes inertia coefficients of the 3D image, and returns the associated equivalent 3D ellipsoid. The function "drawEllipsoid" can be used to display result.

The package also...



Two functions for working with the Feret diameter of labelized particles in images.

The function imFeretDiameter computes the Feret diameter for each one of the specified directions. The maximal diameter can be obtained by computing the...



usage :
map = blue2red;
colormap(blue2red);

Returns a 256x3 array which can be used with colormap.
map(1,:) corresponds to blue color,
map(64,:) corresponds to cyan color,
map(128,:) corresponds to green...



Generic function for computing histogram of an image. Image can be either 2D or 3D, grayscale or color. For color images, the result is the concatenation of the histogram computed for each band.

If no output is requested, the histogram...



Add a colored layer to a base image, whatever the dimension (2D or 3D) and the type (grayscale of color) of the base image.

Overlays are given by pairs MASK + color. The mask is a binary image the same size as the base image. The color...



Contains various functions for measuring or estimating geometric quantities from 2D or 3D images.

Parameters available for 2D images are:
* the area (number of pixels)
* the perimeter (based on Crofton formula)
* the(2D)...