WhiteBoardCorrection

Description

This app allows you to take picture of white board as if it is taken from the front. It detect white board area and correct the shape. Not only white board but square surface like projector screen is available. If the white board detection is failed, you can correct the shape manually.
This app use OpenCV, that requires installing OpenCV Manager. If it isn't installed to your phone, this app moves you to Google Play to install it at first start-up.
LSD (http://www.ipol.im/pub/art/2012/gjmr-lsd/) is used in this app. Because LSD is published under AGPL license, this app is also GPL license. You can get this source code from following URL:
https://github.com/Nekomeshi/WhiteBoardCorrection.git