image_boundary


image_boundary, a MATLAB 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 computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

image_boundary is available in a MATLAB version.

Related Data and Programs:

image_boundary_test

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

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

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

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

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

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

image_noise, a MATLAB code which adds noise to an image.

image_quantization, a MATLAB 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, a MATLAB function which creates a grayscale version of an RGB image.

image_threshold, a MATLAB 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.

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 02 February 2019.