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libcrn is document image processing library written in C++ for Linux, Windows, Mac OsX and Google Android. It is a toolbox that allows to create easily software such as OCRs and layout analysis tools.

libcrn 3.0

written in C++11
[Installation of libcrn 3.0]
[Using libcrn 3.0 in your project]
[Foreword to libcrn 3.0]
[Protocols]
[Loading images in libcrn 3.0]

libcrn 2.x

written in C++98
[Installation of libcrn 2.x]
[Using libcrn 2.x in your project]
[Foreword to libcrn 2.x]
[Protocols]
[Loading images in libcrn 2.x]

Nightly built API reference: http://demo.corenum.fr/libcrn/trunk/2.1/src/doc/modules.html
Stable API reference: http://demo.corenum.fr/libcrn/tags/2.1.0/src/doc/modules.html
Older API reference: http://demo.corenum.fr/libcrn/tags/2.0.0/src/doc/modules.html

Detecting figures

Gradient angles

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