4.x
Update documentation and samples
Tutorial Hit-or-Miss
Tutorial Image Pyramids
Merge pull request #12246 from sturkmen72:move_enums
Add Java and Python code for the following tutorials: - Changing the contrast and brightness of an image! - Operations with images
Backport C-API cleanup (imgproc) from 5.x
Tutorial Morph Lines Detection
Use directly HighGui.toBufferedImage().
Add Java and Python code for the following imgproc tutorials: Canny, Remap, threshold and threshold inRange. Use HSV colorspace instead of RGB for inRange threshold tutorial.