Add Grana's connected components algorithm for 8-way connectivity. (#6823)

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* Add Grana's connected components algorithm for 8-way connectivity. That algorithm is faster than Wu's one (currently implemented in opencv). For more details see https://github.com/prittt/YACCLAB.

* New functions signature and distance transform compatibility

* Add tests to imgproc/test/test_connectedcomponents.cpp

* Change of test_connectedcomponents.cpp for c++98 support

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This commit is contained in:

Vadim Pisarevsky

2016-08-26 16:01:00 +04:00

committed by GitHub

parent 4f0f5a24ef

commit 5ddd25313f

4 changed files with 1486 additions and 53 deletions

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modules/imgproc/src/connectedcomponents.cpp

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