Wolfram Alpha has added a new in-app purchase option to its knowledge engine app that brings advanced image analysis and manipulation to iOS devices. The $0.99 add-on allows users to use photos taken on the fly or from their Camera Roll as input. They can then use the app to do things such as analysis, sharpening, edge detection, and apply various effects
http://www.engadget.com/2012/03/15/wolfram-alpha-adds-image-processing-for-ios/