Bounding box fixes for GOTURN tracker
* Trying to change branch from master to 3.4
* Removing unnecessary if statement
* Frame existence check is added
* Changes in GOTURN tracker for reading path to caffemodel and prototxt files in opencv_extra
* Replacing get_data_path with findDataFile and moving paths in parameters
* tracking: fix GOTURN model loading
* Fixing GOTURN memory test: paths to GOTURN files are in cv::FileNode now
* Fix
* Fix
* Fixing comments
* Deleting trailing space
* Trying to solve the problem with test
* Removing ground truth reading part in GOTURN test
* Removing trailing spaces
* Trying to fix win64/win32 issue
* Fixing problem with win32/win64
* Trying to solve issue with win32/win64
* Add tracking-by_matching code and sample
* Make interface for PedestrianTracker
* Replace PedestrianTracker -> TrackerByMatching
* Make proper filtering by class id in tracking_by_matching
Also make the sample build in the case when opencv_dnn module is not
built.
Also help is added.
* Remove TODO-s from tracking_by_matching code
* Add parameter frame_step, add copyrights, fix warnings
* Remove copyright from tracking_by_matching
* Rename check macros and remove obsolete mentions of pedestrians
* Tune default thresholds in tracking_by_matching sample
* Add description of classes and factories
* Remove unrequired EOL-s at the end of files
* Replace pointers by references for output parameters
* Fix some warnings found by buildbot
* Fix warning from buildbot, tune some thresholds in tracking_by_matching
* Replace pragma once by ifndef-define clause
* Fix more Windows warnings
* Change case of methods of TrackerByMatching class
* Change name of methods to CamelCase in TrackerByMatching
* Make more convenient check macros in tracking_by_matching.cpp
* Simplify tracking_by_matching sample
* Fix Mac error in tracking_by_matching
Implementation of CSR-DCF tracker (#1552)
* Initial commit for CSR-DCF tracker implementation
* Fixes for automatic build
* General code fixes
* Removed unused parameters. Added CSRT to automatic tests.
* Fixed VS build warnings. Fixed a bug with gray sequences.
* Fixed VS build errors for samples file.
