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44 Commits

Author SHA1 Message Date
Vadim Pisarevsky 21f962c315 small correction to the previous patch (also by Konstantin Krivakin) 2011-04-20 17:56:25 +00:00
Vadim Pisarevsky 17a2480a21 integrated parallel SVM prediction; fixed warnings after meanshift integration 2011-04-19 16:20:44 +00:00
Vadim Pisarevsky abeeb40d46 a big patch; use special proxy types (Input/OutputArray, Input/OutputArrayOfArrays) for passing in vectors, matrices etc. 2011-04-17 13:14:45 +00:00
Vadim Pisarevsky b9fa21d011 normal bayes classifier has been parallelized using TBB; letter_recog sample updated to demosntrate knearest & bayes classifiers (thanks to Konstantin Krivakin for the patches) 2011-04-14 17:04:39 +00:00
Vadim Pisarevsky 253d8c683e knearest training has been threaded (thanks to Konstantin Krivakin) 2011-04-01 11:24:15 +00:00
Vadim Pisarevsky 800266dd52 parallel training of a neural net using TBB (thanks to Konstantin Krivakin) 2011-03-22 17:40:58 +00:00
Vadim Pisarevsky c5e3869c32 replaced alloca() (a.k.a. cvStackAlloc) with AutoBuffer or vector() everywhere. cvStackAlloc() is still defined, but we do not need alloca() anymore to compile and run OpenCV (fixes #889 and may be some others) 2011-02-18 10:36:18 +00:00
Vadim Pisarevsky 0e81d9a11c replaced alloca() (a.k.a. cvStackAlloc) with AutoBuffer or vector() everywhere. cvStackAlloc() is still defined, but we do not need alloca() anymore to compile and run OpenCV (fixes #889 and may be some others) 2011-02-18 10:31:14 +00:00
Vadim Pisarevsky 65a7f13af3 replaced alloca() (a.k.a. cvStackAlloc) with AutoBuffer or vector() everywhere. cvStackAlloc() is still defined, but we do not need alloca() anymore to compile and run OpenCV (fixes #889 and may be some others) 2011-02-18 10:29:57 +00:00
Maria Dimashova 811f6fbe92 fixed CvBoost 2011-02-04 15:06:26 +00:00
Maria Dimashova 073a8a6f27 fixed CvBoost 2011-01-12 12:53:36 +00:00
Vadim Pisarevsky 108ab94023 improved naive bayes robustness in the case of singular data 2010-12-12 22:45:31 +00:00
Vadim Pisarevsky ed934ed6fc fixed GBTrees build on NetBSD & Android; fixed GPU brute force matcher test build on MacOSX 2010-12-06 19:42:16 +00:00
Vadim Pisarevsky bc21cc6fe9 revert to using fixed RNG in EM, otherwise the algorithm becomes non-deterministic and the test fails sometimes. in the meantime, EM needs to switch to more robust cv::kmeans instead of CvEM::kmeans. 2010-12-06 09:41:28 +00:00
Vadim Pisarevsky ea3ccc6d61 a few more little fixes in read_csv 2010-12-04 18:42:09 +00:00
Vadim Pisarevsky 33d23ef27a fixed several typos in docs; make MLData capable of reading csv files with much more columns than before 2010-12-04 18:37:07 +00:00
Vadim Pisarevsky bad4ca2a51 added the optional balanced cross-validation in SVN::train_auto (by arman, ticket #314) 2010-11-29 22:37:02 +00:00
P. Druzhkov 16f50dbe50 bug with negative class labels is fixed 2010-11-29 21:58:52 +00:00
Vadim Pisarevsky 6a6ee6403c fixed allocation bug in SVM training (ticket #511) 2010-11-29 16:02:13 +00:00
Maria Dimashova c104cdce96 made random generators of MLL classes depended on default rng (theRNG) (#205). 2010-11-29 14:04:08 +00:00
Maria Dimashova dd14dc5de3 fixed #517; uncommented ertrees test and moved it to black llist 2010-11-29 09:34:06 +00:00
Vadim Pisarevsky 59e2afe4d2 fixed the ordering of parameters in PyArg_ParseTupleAndKeywords, added correct Ptr<CvDTreeSplit>::delete_obj() (ticket #406) 2010-11-25 23:16:32 +00:00
Vadim Pisarevsky 1286c1db45 fixed multiple warnings from VS2010. 2010-11-25 16:55:46 +00:00
Vadim Pisarevsky 2c03c14f7b probably fixed the bug in ANN::calc_output_scale with update_weights=true (ticket #558) 2010-11-21 13:54:19 +00:00
Vadim Pisarevsky 4d676165ea incorporated several critical fixes in EM implementation from Albert G (ticket #264) 2010-11-20 12:34:16 +00:00
Vadim Pisarevsky de4f1aeb06 fixed some GCC 4.4 warnings 2010-11-20 12:05:28 +00:00
Vadim Pisarevsky 4cdcf37139 fixed cvPreprocessIndexArray (ticket #517) 2010-11-07 20:58:58 +00:00
Vadim Pisarevsky d8ace43753 fixed some more tests on Windows; changed inheritance Matx -> Vec to Vec -> Matx 2010-11-06 21:51:21 +00:00
Vadim Pisarevsky 5b6a755719 almost finished Python wrappers 2010-11-02 17:58:22 +00:00
Vadim Pisarevsky 83f6085773 added more helper macros to the function declarations, to assist the Python wrapper generator. Fixed memleak in Mat::operator()(Range,Range) and the related functions (Mat::row, Mat::col etc.) 2010-10-27 18:26:39 +00:00
Ethan Rublee c9e06a0723 define expl as exp on android - may break things. 
opencv/modules/ml/src/gbt.cpp
 2010-10-25 20:15:45 +00:00
Vadim Pisarevsky bf584f0d0a fixed a couple of warnings and 2 possible bugs 2010-10-18 09:03:54 +00:00
P. Druzhkov d611fb61fc Gradient Boosting Trees (CvGBTrees) added to opencv mll. Test for all CvGBTrees public methods added. 2010-10-13 20:18:12 +00:00
Maria Dimashova 1c1485efd3 minor fixes 2010-10-13 16:16:40 +00:00
Maria Dimashova 0c771221a3 fixed problem with surrogate splits in decision trees training 2010-09-22 06:55:51 +00:00
Maria Dimashova 7d94f256e6 fixed CvDTree and CvForestTree find_best_split() methods 2010-09-10 15:44:46 +00:00
Maria Dimashova 82a98521ed fixed SVM 2010-08-09 15:43:06 +00:00
Vadim Pisarevsky 5e5b29f92b eliminated some GCC 4.x warnings 2010-07-16 15:31:52 +00:00
Vadim Pisarevsky 7ec4b59fac added #include "cvconfig.h" to make TBB and other 3rd party libs work correctly 2010-06-29 15:12:07 +00:00
Maria Dimashova c15934dd2b modified default var_type values 2010-06-24 08:34:47 +00:00
Maria Dimashova 122a1c2bff fixed case of var_type==0 (ticket 397) 2010-06-23 17:00:12 +00:00
Maria Dimashova be189a4578 fixed CvSVM 2010-05-30 11:28:43 +00:00
Maria Dimashova a8bc74f2e1 fixed CvSVM 2010-05-30 11:03:42 +00:00
Vadim Pisarevsky 127d6649a1 "atomic bomb" commit. Reorganized OpenCV directory structure 2010-05-11 17:44:00 +00:00