Image Processing Tips

• How do I build a frequency domain filter for my image?
• How do I create a power spectrum of a 2D image?
• I've heard you can sharpen an image with a Laplacian operator. Can I use IDL to do that?
• Is there an easy way to convert a pixel interleaved image to a band interleaved image?
• Is there a function for histogram matching in IDL?
• Active Contours and Snakes! Oh, my!
• How can I improve the contrast in my 2D image?
• Can you show me how to do Principal Components Analysis (PCA) in IDL?
• Can you show me how to analyze ROIs or “blobs” in my image?
• How can I brighten up my dark, dull MODIS reflectance images?
• Can you show me the IDL Way to count specific values in small regions of an image?
• How can I extract a circular region from an image?