gPb

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First:

cd grouping/source mkdir build && cd build && cmake ../ && make && mv *.so ../../lib cd ../.. export LD_LIBRARY_PATH=$(pwd)/lib:/usr/lib

To run, go to the grouping folder and open up octave (or Matlab, but I have not tried on matlab yet). The run:

addpath(genpath('./')) compile example

As of the mail of June 2012, I am allowed to relicense gPb as BSD and integrate it in OpenCV

gPb licensing / OpenCV integration From: Michael Maire [email protected] To: Vincent Rabaud [email protected] CC: Jitendra Malik [email protected], Charless Fowlkes [email protected], Pablo Arbelaez [email protected], David Martin [email protected] Date: Monday 12:54:37 PM Hi Vincent,

The current gPb-UCM code consists of some components distributed under the GPL and some components distributed under the AGPL: http://www.gnu.org/copyleft/gpl.html http://www.gnu.org/licenses/agpl.html

We would like to make the following licensing arrangements to allow integration into OpenCV:

(1) We give you, the OpenCV team, and Willow Garage permission to take our current gPb-UCM code, use whatever parts of it (or all of it) that you like, and distribute the result as part of OpenCV under the BSD license ( http://opensource.org/licenses/bsd-license.php ).

(2) OpenCV (and the gPb-UCM implementation within it) are distributed under the BSD license.

(3) We will continue to distribute our own gPb-UCM code under the current GPL/AGPL.

Essentially, we are taking a snapshot of the code and releasing it to you under the BSD license.

Point (3) above is made to indicate that we intend to release our own future enhancements under the GPL/AGPL and not under the BSD license. You would need to negotiate separately for permission to include such work in OpenCV.

Also note that we are not changing the license on any of our own code which uses gPb in a larger project. For example, I have written code that combines gPb with object detection and released the result under the AGPL. At this time, I am NOT releasing this additional code with a BSD license.

What we are granting you permission to distribute under the BSD license is our code for the implementation of gPb-UCM corresponding to the work described in this paper:

Contour Detection and Hierarchical Image Segmentation P. Arbelaez, M. Maire, C. Fowlkes and J. Malik. IEEE TPAMI, Vol. 33, No. 5, pp. 898-916, May 2011 http://www.eecs.berkeley.edu/Research/Projects/CS/vision/grouping/papers/amfm_pami2010.pdf

The code will be that found here, with a few pending improvements by Pablo: http://www.eecs.berkeley.edu/Research/Projects/CS/vision/grouping/BSR/BSR_source.tgz

All contributors to this code are cc'd to this email and all have agreed to the licensing arrangement outlined above. If anyone has additional questions, please email me.

Turning to practical matters, Pablo and I will coordinate with Vincent on the technical details of integrating gPb into OpenCV. If anyone else would also like to be a part of this process, please let me know. Otherwise, we will leave you out of the technical discussion unless your advice is specifically required.

Best, Michael