Merge pull request #10633 from csukuangfj:doc-estimateAffine
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 19 Jan 2018 10:11:56 +0000 (10:11 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 19 Jan 2018 10:11:56 +0000 (10:11 +0000)

Trivial merge