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Sergei wrote: > > >Even better (but slower!!) "hybrid median" filter plug-in has been > >developed for Mac versions of Photoshop and NIH Image: > > file "RankFilters.hqx" at > > ftp://codon.nih.gov/pub/nih-image/plug-ins/ > > what is NIH image? NIH Image is a image processing program developed mostly for scientific & engineering. It concentrates on things like image denoising, image enhancement, and object measurements.. By "measurements", it can be set up to do things like: 1. Counting objects (take a photo of an ocean floor, count number of scallops versus clams versus starfish) 2. Length measurements (how big are those scallops ?). 3. Thresholding and edge detection (find and outline a cancerous growth in an X-ray image); it is capable of generating "false color" images from gray scales (like false color satellite imagery). Dan Culbertson has been experimenting with false colors for black quad tone images. [Dan, sorry, couldn't find more false color LUTs). 4. 3-dimensional reconstructions of "MRI-scan slices" of the human brain. NIH Image is complementary to Photoshop in the things it does best; the "artistic" effects that NIH Image are capable of are more primitive than those of Photoshop. NIH Image is free! More info at: http://rsb.info.nih.gov/nih-image/ NIH Image is mostly Mac centered, though Windows ports exist A similar free program for Windows is Image Tool: http://ddsdx.uthscsa.edu/dig/itdesc.html Plug-ins for Windows Photoshop also work for Image Tool. -- Ben Haskell -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Please: Stay on topic. Trim quoted messages. http://www.leben.com/lists for list instructions.
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