Contourlet Transform Toolkit

This document presents a powerful contourlet transform toolkit that contains multiple demonstration examples. These demos help users better understand and utilize the toolkit's capabilities through practical code implementations. For users unfamiliar with contourlet transforms, the included demonstration scripts provide immediate insight into the practical effects of various features, including multi-scale decomposition and directional filter banks. The toolkit features key functions such as contourlet decomposition (pdfbdec) and reconstruction (pdfbrec) algorithms, implementing the pyramidal directional filter bank structure for efficient sparse image representation. Developed by experienced experts in signal processing, the toolkit ensures high quality and reliability in its implementation of contourlet transform algorithms for image processing applications. Therefore, we can confidently recommend this contourlet toolkit as an excellent resource for learning and applying advanced multiscale geometric analysis techniques.