image_boundary


image_boundary, an Octave code which determines the pixels that lie on the boundary between the black and white portions of a simple image. The image should only involve two regions, one entirely black and one entirely white.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

image_boundary is available in a MATLAB version and an Octave version.

Related Data and Programs:

image_boundary_test

image_contrast, an Octave code which applies image processing techniques to increase the contrast in an image.

image_decimate, an Octave code which compresses an image by dropping the even rows and columns of data.

image_denoise, an Octave code which applies image processing techniques to remove noise from an image.

image_diffuse, an Octave code which uses diffusion to smooth out an image.

image_double, an Octave code which doubles the height and width of an image by repeating each row and column.

image_edge, an Octave code which demonstrates a simple technique for edge detection in an image.

image_noise, an Octave code which adds noise to an image.

image_quantization, an Octave code which demonstrates how the KMEANS algorithm can be used to reduce the number of colors or shades of gray in an image.

image_rgb_to_gray, an Octave code which creates a grayscale version of an RGB image.

image_threshold, an Octave code which makes a black and white version of a grayscale image by setting all pixels below or above a threshold value to black or white.

mesh_boundary, an Octave code which is given a mesh of a 2D region, formed by polygonal elements, and determines a sequence of pairs of polygonal vertices that define the boundary of the region.

poly, a data directory which contains examples of POLY files, a 2D format used by triangle and showme, for Planar Straight Line Graphs.

Source Code:


Last revised on 04 August 2024.