# 4.3 Removing Segment If you face some segment containing a grain and an area which not looks like grains, we recommend you to use grain marker to spererate the grains first and then use background marker to remove the rest. --- - Oringianl image (Turn "Segment Overlay" off) ![](https://i.imgur.com/As7GkF8.png) - Draw grain markers and click "ReSegment." ![](https://i.imgur.com/Yl6DC5E.png) - Draw background markers and click "ReSegment." ![](https://i.imgur.com/5D6xzlg.png) Then, the segment marked by background marker can be removed.