Tools

Pixel editor

Icon

Tool

Function

Brush

Makes small changes to an annotation or when the image quality is so low that the segmentation tool does not work.

Polygon (Z)

Creates geometric annotations by connecting the points with lines.

Eraser brush

Edits the annotation you made using the brush tool.

Eraser polygon

Edits the annotation you made using the polygon tool.

Select (V)

Selects, moves, and changes the shape of objects.

Eyedropper (I) and Bucket (B)

Assign a class to an object quickly.

Drag (middle mouse button)

Helps you navigate the canvas.

Tags

Classifies images. Select Tags, enter a word and select Save.

Comment (C)

Adds comments to your annotations. Select Comment, click an object, and enter a comment.

Class selection

Assigns a class to an object before annotating it.

Right arrow (3)

Goes to the next workflow.

Left arrow (2)

Goes to the previous workflow.

Zoom in (scroll up)

Zooms in the canvas.

Zoom out (scroll down)

Zooms out the canvas.

QA mode (Ctrl+Q)

Shows you to which class each object belongs. Select QA and hover over the objects to see to which class they belong to.

Shortcut keys (Ctrl+K)

Shows you all the keyboard and mouse shortcuts.

Vector editor

Icon

Tool

Function

Select object (V)

Selects, moves, and changes the shape of objects.

Points (P)

Creates points on your image.

Polyline (L)

Creates annotations in the shape of lines.

Polygon (Z)

Creates geometric annotations by connecting the points with lines.

Bounding box (X)

Creates annotations in the shape of boxes.

Ellipse (E)

Creates annotations in the shape of ellipses.

Cuboid (Q)

Creates annotations in the shape of 3D boxes.

Template (T)

Applies a custom vector template.

Ruler (K)

Serves as a guideline while annotating objects.

Comment (C)

Adds comments to your annotations. Select Comment, click an object, and enter a comment.

Eyedropper (I) and Bucket (B)

Assign a class to an object quickly.

Drag (Middle mouse button)

Helps you navigate the canvas.

Tags

Classifies images. Select Tags, enter a word and select Save.

Class selection

Assigns a class to an object before annotating it.

Right arrow (3)

Goes to the next workflow.

Left arrow (2)

Goes to the previous workflow.

Zoom in (Scroll up)

Zooms in the canvas.

Zoom out (Scroll down)

Zooms out the canvas.

QA mode (Ctrl+Q)

Shows you to which class each object belongs. Select QA and hover over the objects to see to which class they belong to.

Shortcut keys (Ctrl+K)

Shows you all the keyboard and mouse shortcuts.

Top panel

Icon

Tool

Function

Undo (Ctrl+Z)

Reverses an action.

Redo (Ctrl+Shift+Z)

Redoes an action you’ve undone.

Delete

Deletes all annotations.

Duplicate (Ctrl+D)

Duplicates objects.

Show/Hide objects (R)

Shows or hides annotated objects.

Show/Hide labels

Shows and hides labels.

Show/Hide comments

Shows or hides comments.

Copy (Ctrl+C)

Copies objects.

Paste (Ctrl+C)

Pastes objects.

Group (Ctrl+G)

Groups selected objects.

Ungroup (Ctrl+Shift+G)

Ungroups selected objects.

Right panel

Class

Icon

Tool

Function

Group visibility

Shows the group’s instances on the image.

Reset class

Assigns the class to an empty category.

Select/Deselect group

Selects and deselects the group.

Delete class

Deletes the class.

Instance

Icon

Tool

Function

Instance visibility

Shows the group’s instances on the image.

Select/Deselect instance

Selects and deselects the instance.

Remove

Deletes the instance.

Disapprove

Disapprove an instance.

Approve

Approve an instance.

Miscellaneous

Icon

Tool

Function

New instance

Creates a new instance.

Sort list

Sorts the annotations by class name and group size.

Pin

Pins the image.