This project simply plays around with an image for different effects using NDK for a better experiment with NDK Current effect considered is: grayscale
References:
[1] http://android-er.blogspot.in/2013/10/learn-how-to-use-android-ndk-by.html
[2] http://www.ibm.com/developerworks/opensource/tutorials/os-androidndk/os-androidndk-pdf.pdf
[3] http://ruckus.tumblr.com/post/18055652108/writing-a-basic-image-filter-in-android-using-ndk
[4] http://www.tannerhelland.com/3643/grayscale-image-algorithm-vb6/
[5] http://www.codeproject.com/Articles/1989/Image-Processing-for-Dummies-with-C-and-GDI-Part-1