tree d4ead09c089b77aadb8f2e90bf5393d76c6a9b98
parent 0ead613bc8e6608f9ba5f4ebd87cdd0472ef678d
author Hui Su <huisu@google.com> 1511999560 -0800
committer Hui Su <huisu@google.com> 1512678571 +0000

palette: add one more method for base color selection

In addition to k-means, consider using the dominant colors directly.

Improve keyframe by about 1% on the screen_content testset.

Change-Id: I08a932c322cfe36fb8def778d14f96d71c1017db