tree 44b1cfc7468244fcc4cdca796ed0569cadbec49f
parent 5c2c97d4f8d1237e140a6e2e6d616f4f1977e120
author bohanli <bohanli@google.com> 1601050346 -0700
committer Bohan Li <bohanli@google.com> 1602011722 +0000

Add functions to smooth and calculate gradients.

Change-Id: I26bb2dee861cbe254def81039501ae30f5f055c8

Acked-by: bohanli <bohanli@google.com>
Change-Id: Ia1100e0129006c5eab483d0657fa5a75030bcdae