typo
update doc to be consisted with headers
Fix build errors
minor refactoring, no functional changes
Fix errors in example (samples/cpp/intelperc_capture.cpp)
Add CV_CAP_INTELPERC and CV_CAP_PROP_INTELPERC_ prefixes to const_ignore_list
Delete end comma in enumerations
DeviceInfo class method that were implemented in header moved to cpp file.
intel device guard was added because of perf degradation on some non intel platform.
adding timing for multi-threaded case
Merge pull request #2013 from apavlenko:2.4_fd_sample
adding more than 4 channels random Mats support

if `Scalar:all` is used, Mats with 5+ channels cause errors
Merge pull request #2011 from ilya-lavrenov:dft_dct
Merge pull request #2015 from apavlenko:2.4_fix_ts_rng-fill
Fix some memory leaks in HierarchicalClusteringIndex
Naive impl. Slower than CPU
Optimized version. Faster than CPU
Fixes for Android support.
Make dependency from CUDA explicit to prevent from fake dependedcies from CUDA runtime.
Fix comment in the cmake file from SSDK to SDK