Merge changes I13f59f52,I7441e041,I7441e041
authorDan Zhu <zxdan@google.com>
Fri, 23 Aug 2019 19:00:32 +0000 (19:00 +0000)
committerGerrit Code Review <noreply-gerritcodereview@google.com>
Fri, 23 Aug 2019 19:00:32 +0000 (19:00 +0000)
* changes:
  add unit test for local structure computation
  add unit test for smooth motion field
  modify smooth model(float type mv + normalization)


Trivial merge