image processing

http://universarium.org/courses/info/381

https://cpp.libhunt.com/project/cimg

http://freeimage.sourceforge.net/

http://setosa.io/ev/image-kernels/

http://fiji.sc/Fiji

http://en.wikipedia.org/wiki/Fiji_(software)

ImageJ

http://habrahabr.ru/hub/image_processing/

http://beej.us/blog/data/convolution-image-processing/

http://www.datasciencecentral.com/profiles/blogs/clustering-similar-images-using-mapreduce-style-feature

http://adityasastry.in/viewer.php?cno=43 Java

http://stackoverflow.com/questions/19960826/how-to-make-the-blackboard-text-appear-clearer-using-matlab

http://fastml.com/

http://colah.github.io/posts/2014-07-Understanding-Convolutions/

http://habrahabr.ru/post/227993/

http://www.math.ucla.edu/~getreuer/matlabimaging.html

http://www.dca.fee.unicamp.br/DIPcourse/

http://www.qi.tnw.tudelft.nl/Courses/FIP/noframes/fip-Contents.html

http://en.wikipedia.org/wiki/Scale-invariant_feature_transform

http://en.wikipedia.org/wiki/Hough_transform

http://en.wikipedia.org/wiki/Compressed_sensing

http://www.cs.ucf.edu/~mali/haar/

imagemagick.org

http://habrahabr.ru/post/218195/ whiteBoardCleaner

http://habrahabr.ru/post/249661/