Document scanner for Android made using OpenCV (C++) and Android NDK. To run this project, OpenCV for Android must be installed along with Android JNI. Working features include image cropping, postprocessing and color manipulations, PDF generation etc. Image rendition quality is still being experimented.
WARNING: Still in beta stage. Results obtained may not be accurate, and may vary from device to device.
https://www.youtube.com/watch?v=nv4MEliij14
https://www.youtube.com/watch?v=RmPuwdxR1qs