Titanium Image Filter Module, tiimagefilters, is a skeleton Titanium Mobile project that is able to perform image filtering after you taken a photo from your iPhone device.
It contains the native Objective-C code that perform algorithms for image filtering, and then provided the Titanium JS bridge proxy made it able to be invoked from JavaScript.
Check out its source code from Github: https://github.com/tzmartin/tiimagefilters
