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12 Commits

Author SHA1 Message Date
Christoph Rackwitz
a64b51dd94
Merge pull request #23108 from crackwitz:issue-23107 
Usage of imread(): magic number 0, unchecked result

* docs: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* samples, apps: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* tests: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* doc/py_tutorials: check imread() result
 2023-01-09 09:55:31 +00:00
Stefano Allegretti
c685293297 Fix #21366 2022-01-03 18:15:09 +01:00
Stefano Allegretti
91817bffe1
Merge pull request #21275 from stal12:CCL_improvements 
Improve CCL with new algorithms and tests

* Improve CCL with new algorithms and tests

* Split CCL test into dedicated tests cases
 2021-12-17 19:36:57 +00:00
Federico Bolelli
9695165877
Merge pull request #19631 from prittt:sota-ccl 
* Add Spaghetti algorithm for CCL

* Add stat tests for new and old algorithms

* Switch license header to short version
 2021-02-27 17:27:24 +00:00
Gil Shotan
1612db5f91 Fix signed integer overflow in connected components 2020-09-13 11:20:42 +00:00
Arnaud Brejeon
ecbba852cf
Merge pull request #16415 from arnaudbrejeon:bug_fix_16410 
* Fix bug 16410 and add test

* imgproc(connectedcomponents): avoid manual uninitialized allocations

* imgproc(connectedcomponents): force 'odd' chunk range size

* imgproc(connectedcomponents): reuse stripeFirstLabel{4/8}Connectivity

* imgproc(connectedcomponents): extend fix from PR14964
 2020-01-29 23:55:43 +03:00
arnaudbrejeon
a37201abee Fix crash, add assert and test 2019-07-02 09:56:31 -07:00
Alexander Alekhin
4a297a2443 ts: refactor OpenCV tests 
- removed tr1 usage (dropped in C++17)
- moved includes of vector/map/iostream/limits into ts.hpp
- require opencv_test + anonymous namespace (added compile check)
- fixed norm() usage (must be from cvtest::norm for checks) and other conflict functions
- added missing license headers
 2018-02-03 19:39:47 +00:00
Vadim Pisarevsky
5ddd25313f Add Grana's connected components algorithm for 8-way connectivity. (#6823) 
* 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
 2016-08-26 16:01:00 +04:00
Ilya Lavrenov
aa5326c231 cv::norm -> cvtest::norm in tests 
Conflicts:

	modules/core/src/stat.cpp
 2014-04-08 14:49:20 +04:00
Roman Donchenko
9ed475cf52 War on Whitespace, master edition: file endings. 2013-08-27 14:23:26 +04:00
Jason Newton
63debf5032 connectedcomponents test case 2012-12-10 02:21:45 -08:00