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Below, we provide source code for different topics covered in class. Each archive includes (1) C source code, (2) README file with compile instructions, explanations and examples, (3) sample data/sample results. The compile instructions assume that you have access to the 'make' utility; also paths are specified using the Unix/Linux convention (forward slash /).
| Description | Compressed archive |
| Discrete Wavelet Transform (DWT) This archive contains 1D and 2D DWT routines, as well as three simple example applications: (1) 1D basis function generation, (2) 2D image (PPM) DWT, and (3) 2D image (PPM) compression. |
dwt.zip archive (600 kb) dwt.tgz archive (600 kb) updated 02/17 |
| DWT-base texture segmentation This archive contains complete code to perform DWT-based texture segmentation experiments, similar to those illustrated using Mathematica in class and posted elsewhere on this course web page. It includes all necessary feature-extraction, DWT, and VQ C-code, as well as a perl script that goes from sample training and test texture images to VQ codebooks and VQ-labeled images. A Mathematica notebook is included to visualize results. Complete experiments should typically take at most a couple of minutes to compute and visualize. |
texture.zip archive (6.3 Mb) texture.tgz archive (6.3 Mb) updated 02/17 |