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In electrical engineering and computer science, image processing is any form of signal processing for which the input is an image, such as a photograph or video frame; the output of image processing may be either an image or a set of characteristics or parameters related to the image. Most image-processing techniques involve treating the image as a two-dimensional signal and applying standard signal-processing techniques to it.

Image processing usually refers to digital image processing, but optical and analog image processing also are possible. This article is about general techniques that apply to all of them. The acquisition of images (producing the input image in the first place) is referred to as imaging.

See also

• Photo manipulation
• Near sets
• Multidimensional systems
• Comparison of image processing software

Further reading

• Tinku Acharya and Ajoy K. Ray (2006). Image Processing - Principles and Applications. Wiley InterScience. http://books.google.co.in/books?id=smBw4-xvfrIC&lpg=PP1&dq=image%20processing%20ajoy%20ray&pg=PP1#v=onepage&q=&f=false. 
• Wilhelm Burger and Mark J. Burge (2007). Digital Image Processing: An Algorithmic Approach Using Java. Springer. ISBN 1846283795 and ISBN 3540309403. http://www.imagingbook.com/. 
• R. Fisher, K Dawson-Howe, A. Fitzgibbon, C. Robertson, E. Trucco (2005). Dictionary of Computer Vision and Image Processing. John Wiley. ISBN 0-470-01526-8. 
• Bernd Jähne (2002). Digital Image Processing. Springer. ISBN 3-540-67754-2. 
• Tim Morris (2004). Computer Vision and Image Processing. Palgrave Macmillan. ISBN 0-333-99451-5. 
• Milan Sonka, Vaclav Hlavac and Roger Boyle (1999). Image Processing, Analysis, and Machine Vision. PWS Publishing. ISBN 0-534-95393-X. 

External links

• Lectures on Image Processing, by Alan Peters. Vanderbilt University. Updated 15 September 2011.
• EURASIP Journal on Image and Video Processing — Open Access journal on Image Processing
• Image Processing On Line – Open access journal with image processing algorithms, open source implementations and demonstrations
• Computer Vision Online A good source for source codes, software packages, datasets, etc. related to image processing
• Rapidminer Image Processing Extension - tool for image processing and image mining
• IPRG Open group related to image processing research resources
• Image Tools .NET/MONO Batch image processing tool
• Open source cross-platform image processing framework in C++ with JavaScript support