opencv_contrib

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cv::ml::StatModel::Algorithm::predict() is ambiguous with linear SVM

1

This method is ambiguous because its implementation always uses RBF Kernel to check for which class a sample belongs. Therefore authorizing this method to predict samples with Linear SVM Classifier...

ghost

read access violation on RTrees' getRoots getNodes getSplits methods

2

### Please state the information for your system - OpenCV version: 3.0 / 3.1 - Host OS: Linux (Ubuntu 14.04) / Windows 10 ### In which part of the OpenCV...

smasoudn

##### System information (version) - OpenCV => 2.4.x and 3.1 - Operating System / Platform => Windows 64 Bit - Compiler => Visual Studio 2015 ##### Detailed description When training...

ereator

`setCalculateVarImportance` changes result in `cv2.ml.RTrees` model

1

### Expected behaviour It sounds like this parameter should only change whether the variable importance is calculated or not. It should not change the model's output. ### Actual behaviour Changing...

MarcoGorelli

##### System information (version) - OpenCV => 3.2 master branch - Operating System / Platform => Windows 7 - Compiler => VC++ ##### Detailed description  I'm profiling the cv::ml::Boost->train()...

drake7707

Is there anyway to parallel training random forest.

3

##### System information (version) - OpenCV => 3.1 - Operating System / Platform => mac - Compiler => clang ##### Detailed description ##### Steps to reproduce Random forest training use...

huangynn

Review Cascade detection parallel stripe allocation policy

2

##### System information (version) - OpenCV => 4.2 - Operating System / Platform => Linux - Compiler => GCC ##### Detailed description Review Cascade detection parallel tasks(stripes) allocation policy. -...

WeiChungChang

##### System information (version) - OpenCV => trunk - Operating System / Platform => any - Compiler => any ##### Detailed description In the KDTree version of KNearest, the neighbour-response...

Pibben

### Describe the feature and motivation I'd like to have the ability to display the decision tree like sklearn has because I see an incompatibility between the packages and I'd...

BarzelS

### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge,...

ansleliu