opencv

Commit Graph

Author	SHA1	Message	Date
Alexander Alekhin	fef7fc343e	ml: add checks of empty train data	5 years ago
Maksim Shabunin	1da46fe6fb	Fixed issues found by static analysis (mostly DBZ)	7 years ago
Alexander Alekhin	b09a4a98d4	opencv: Use cv::AutoBuffer<>::data()	7 years ago
codingforfun	24e2e0d3f9	#11143 [FIX] Normalize node risk with sample weight sum In case of regression trees, node risk is computed as sum of squared error. To get a meaningfull value to compare with it needs to be normalized to the number of samples in the node (or more generally to the sum of sample weights in this node). Otherwise the sum of squared error is highly dependend on the number of samples in the node and comparision with `regressionAccuracy` parameter is not very meaningful. After normalization `node_risk` means in fact sample variance for all samples in the node, which makes much more sence and seams to be what was originaly intended by the code given that node risk is later used as a split termination criteria by ``` sqrt(node.node_risk) < params.getRegressionAccuracy() ```	7 years ago
Maksim Shabunin	a769d69a9d	Fixed several issues found by static analysis	8 years ago
Maksim Shabunin	32d4af36e2	Fixing some static analysis issues	8 years ago
chrizandr	d22df8c41f	Add wrappers for load functions for DTrees and Boost classifiers	8 years ago
mvukad	695e33b25b	Fix missing format when writing Algorithm-based objects Added a writeFormat() method to Algorithm which must be called by the write() method of derived classes.	9 years ago
Evan Heidtmann	0712bccf52	Fix epsilon comparison when splitting	9 years ago
Evgeny Agafonchikov	91bd7df8c1	Fixing invalid opencv_test_ml calls	10 years ago
Maksim Shabunin	79e8f0680c	Updated ml module interfaces and documentation	10 years ago
Maksim Shabunin	d004ee58c5	Support loading old models in ML module - added test for loading legacy files - added version to new written models - fixed loading of several fields in some models - added generation of new fields from old data	10 years ago
Vadim Pisarevsky	222f8a3d5e	hopefully fixed test failure on Linux	11 years ago
Vadim Pisarevsky	24b01a8e4f	continuing to debug boost and fix MSVC compile errors	11 years ago
Vadim Pisarevsky	98a1181240	fixed the condition	11 years ago
Vadim Pisarevsky	79b593d8d8	more fixes and more debugging code	11 years ago
Vadim Pisarevsky	eeb786fcfd	fixed compile warnings from MSVC; fixed warnings in Python bindings; added some debugging code	11 years ago
Vadim Pisarevsky	2520e335d1	removed many extra whitespaces; fixed 1 warning	11 years ago
Vadim Pisarevsky	c20ff6ce19	made everything compile and even run somehow	11 years ago
Vadim Pisarevsky	ba3783d205	initial commit; ml has been refactored; it compiles and the tests run well; some other modules, apps and samples do not compile; to be fixed	11 years ago
Vladislav Vinogradov	7e2f7f45d7	fix bug #3690 removed invalid condition, it is always false	11 years ago
Vladislav Vinogradov	0c7663eb3b	Merge branch 'master' into gpu-cuda-rename Conflicts: modules/core/include/opencv2/core/cuda.hpp modules/cudacodec/src/thread.cpp modules/cudacodec/src/thread.hpp modules/superres/perf/perf_superres.cpp modules/superres/src/btv_l1_cuda.cpp modules/superres/src/optical_flow.cpp modules/videostab/src/global_motion.cpp modules/videostab/src/inpainting.cpp samples/cpp/stitching_detailed.cpp samples/cpp/videostab.cpp samples/gpu/stereo_multi.cpp	12 years ago
Roman Donchenko	345bc633cc	Boring changes - ml.	12 years ago
Maria Dimashova	989be02562	fixed cpp wrappers of ML tree-based models	12 years ago
Andrey Kamaev	715fa3303e	Move cv::Mat out of core.hpp	12 years ago
Andrey Kamaev	cc6bdfb045	Remove inline sorting algorithms from core headers	12 years ago
Andrey Kamaev	2a6fb2867e	Remove all using directives for STL namespace and members Made all STL usages explicit to be able automatically find all usages of particular class or function.	12 years ago
LeonidBeynenson	87b0126e0d	Fixed dummy warning.	12 years ago
LeonidBeynenson	013d54c230	Changed types of some variables from int64 back to int. Also corrected some indexes to be size_t.	12 years ago
LeonidBeynenson	6de422701a	Made changes to allow ml module to work with big data.	12 years ago
Vadim Pisarevsky	633a8bfacc	fixed many warnings (modified pull request 13)	13 years ago
Andrey Kamaev	bd0e0b5800	Merged the trunk r8589:8653 - all changes related to build warnings	13 years ago
Andrey Kamaev	f2d3b9b4a1	Warning fixes continued	13 years ago
Maria Dimashova	7f2cda6c8c	fix the ticket #1234	13 years ago
Maria Dimashova	48ea65e69c	fixed traincascade for ordered features	13 years ago
Ilya Lysenkov	2c958b2598	Trunk: moved contructors implementations from .hpp to .cpp	14 years ago
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)	14 years ago
Maria Dimashova	c104cdce96	made random generators of MLL classes depended on default rng (theRNG) (#205 ).	14 years ago
Maria Dimashova	dd14dc5de3	fixed #517 ; uncommented ertrees test and moved it to black llist	14 years ago
Vadim Pisarevsky	59e2afe4d2	fixed the ordering of parameters in PyArg_ParseTupleAndKeywords, added correct Ptr<CvDTreeSplit>::delete_obj() (ticket #406 )	14 years ago
Vadim Pisarevsky	5b6a755719	almost finished Python wrappers	14 years ago
Maria Dimashova	0c771221a3	fixed problem with surrogate splits in decision trees training	15 years ago
Maria Dimashova	7d94f256e6	fixed CvDTree and CvForestTree find_best_split() methods	15 years ago
Maria Dimashova	c15934dd2b	modified default var_type values	15 years ago
Maria Dimashova	122a1c2bff	fixed case of var_type==0 (ticket 397)	15 years ago
Vadim Pisarevsky	127d6649a1	"atomic bomb" commit. Reorganized OpenCV directory structure	15 years ago

47 Commits (f301f17b61ea91c6eb8ebb4cb36af00af37dfacb)