DOC: Add break in brief description of Canny edge filter

Change-Id: I4f6e991953f7b125b34e8ffc426dd1a526336238
COMP: Fix typo in ReflectiveImageRegionConstIterator.

Operate = needed to be operator=

Change-Id: I9c274438b369959c77551181e31a03e708e5f466
Merge topic 'ReflectImageRegionConstIteratorError'

ea5babf4 COMP: Fix typo in ReflectiveImageRegionConstIterator.
Merge topic 'CannyEdgeBreif'

aacfcc33 DOC: Add break in brief description of Canny edge filter