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Image Processing References

• PhotoDemon Application, Sources, BSD licensed
• Computer Vision Research Group at the University of Western Ontario, Code
  (licensed to research only :(, still, paper references may allow reconstruction)
• Color FAQ
• Bruce Lindbloom Color Information
• EasyRGB
• Image Processing Learning Resources.
• Gamera
• VIGRA (C++, templated?)
• VXITE
• VIPS
• VXL (BSD)
• BLAS (Linear Algebra, strided memcpy)
• The Matrix Factorization Jungle
• TILT: Transform Invariant Low-rank Textures
• efg Image Processing Links
• StereoMatcher
• Itk, Vtk (C++, templated!)
• OpenCV (Open source Computer Vision, BSD licensed, C)
• GIF Format Bits And Bytes
• FITS (Flexible Image Transport System), mainly used in Astronomy. See also "FitsTcl" (part of "fv", see below), and "CFITSIO". Most pieces seem to be GPL.
• fv (FITS viewer and editor)
• FITS specifications @ http://netghost.narod.ru/gff/vendspec/fits/index.htm, http://www.fileformat.info/format/fits/egff.htm, http://archive.stsci.edu/fits/fits_standard/
• PCX
• Tiled Multiresolution TIFF (Pyramids)
• Open DICOM
• picoPNG
• Lode's CG tutorial
• Painterly (Aaron Hertzmann)
• Painterly @Github, Saliences
• NPR
• Steve Havelka, Aries Engine sources, SIMD PorterDuff ops.
• SPIDER (System for Processing Image Data from Electron microscopy and Related fields) is an image processing system for electron microscopy.
• Edge Drawing – A Combined Real-Time Edge/Edge Segment Detector.
• Computer Vision & Pattern Recognition at AU-CENG (EdgeDrawing (s.a), etc.)
• Example files of various formats, including images
• PGM 16bit example C code
• Online converter for various image formats.
• FotoForensics Tutorials/Reading Material - FileFormat References.
• FreeImage Library.
• FreeImage Algorithms (on top of FI).
• G'MIC based on CImg (below).
• CImg
• OLENA
• Jimp (Javascript)
• VSIPL — Vector Signal & Image Processing Library (@ OMG)
• VSIPL Spec
• image Filters
• ImLib3D (unmaintained)