Merge pull request #11849 from catree:add_tutorial_imgproc_java_python4
authorVadim Pisarevsky <vadim.pisarevsky@gmail.com>
Wed, 27 Jun 2018 18:17:39 +0000 (18:17 +0000)
committerVadim Pisarevsky <vadim.pisarevsky@gmail.com>
Wed, 27 Jun 2018 18:17:39 +0000 (18:17 +0000)

Trivial merge