components

components, an Octave code which organizes contiguous nonzero cells into labeled components, for a 1D, 2D, or 3D array. This code has uses in image analysis and percolation simulation.

Licensing:

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

Languages:

components is available in a C version and a C++ version and a Fortran77 version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

components_test

bwlabel_test, an Octave code which calls bwlabel(), which is given a matrix, and organizes the nonzero values into labeled components, using 4-way or 8-way connectivity. For Octave, bwlabel() is part of the image() package.

Reference:

• Jonas Gomes, Luiz Velho,
  Image Processing for Computer Graphics,
  Springer, 1997,
  ISBN: 0387948546,
  LC: T385.G65.
• William Pratt,
  Digital Image Processing,
  Second Edition,
  Wiley, 1991,
  ISBN13: 978-0471857662,
  LC: TA1632.P7.

Source Code:

• components_1d.m, returns the components of a 1D integer vector or image.
• components_2d.m, returns the components of a 2D integer array or image.
• components_3d.m, returns the components of a 3D integer block or image.