Segmentation is a labeling method that designates the area of the polygon by pointing to many target areas.

Segmentation task screen

Segmentation toolbar

Number	Function	Description
1	Semantic Polygon	After selecting, it is available to work on polygons based on the object’s shape. - Shortcut key : `Y` - Point based on the object’s shape, and then point to the last point matching with a starting point or press the `Esc` key to complete the creation. Once polygon has been created, use shortcut key `Ctrl` `Y`(Win) / `⌘` `Y`(Mac) to create polygon area and `Alt` `Y`(Win) / `⌥` `Y`(Mac)) to delete polygon area for editing with polygon area.
2	Marks Invalid pixel	It shows the area that has not been worked. - Shortcut key : `F2`
3	Move with overlapping points.	When points are perfectly overlapped, it is possible to move with one point together. - Shortcut key : `F3`
4	Hide overlapping areas	Hide areas of overlapping instances. - Shortcut key : `F4`

By pressing ~ it is possible to hide the instance so that it can check and work on the original image.

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