Hotkeys shortlist

Global hotkeys

General annotation

• right mouse clickon existing annotation - (click on an object) bring up classes pop-up menu to change assigned label class

• ctrl / cmd + z- undo action

• cmd + shift + z- redo action

• shift + d- set image status to "Done"

• ctrl + shift + d- set image status to "Done" and go to the next unlabelled image

• shift + r- set image status to "To review"

• shift + q- set image status to "skipped"

• shift + t- select next annotation when another annotation is selected

• t- select next annotation

• l- select the last created annotation (when not creating another object/polygon/mask)

Navigation / View

• + or scroll down on mouse or expand fingers on touchpad- zoom in

• - or scroll up on mouse or pinch on touchpad- zoom out

• press and hold spacebar + move mouse or ↓ / ↑ / → / ←- pan image in the chosen direction

• shift + 1- zoom to original size (100%)

• shift + 0- zoom to fit the image to the screen

• shift + n- next image

• shift + b- previous image

• d- hide all annotations on an image as long as the key is pressed

• v- increase the opacity of all annotations to 100% as long as the key is pressed

• z- show label classes on top of annotations as long as the key is pressed

Tool selection

• m- Move/Edit

• p- Polygon

• r- Bounding Box (as in Rectangle)

• o- Box to Instance

• x- DEXTR

• b- Brush

  • e- Eraser (when using brush)

• s - Semantic Segmentation Assistant (when available)

• j - Object Detection (when available)

• i - Instance Segmentation (when available)

Move/edit tool (M)

• shift + left mouse click- select multiple objects/points (including marquee tool to drag large selection(s))

• cmd / ctrl + a- select all labels

• backspace / delete / fn + delete- delete label(s)/point(s)

• cmd / ctrl + c- copy label(s)

• cmd / ctrl + v- paste label(s)

• cmd / ctrl + x- cut label(s)

• cmd / ctrl + d- duplicate label(s)

• ↓ / ↑ / → / ←- (when annotation(s) are selected) move annotation(s)

• ↓ / ↑ / → / ←- (when label vertex/point(s) selected) move point(s)

• alt + ↓ / ↑ / → / ←- move label/point a smaller distance

• shift + ↓ / ↑ / → / ←- move label/point a larger distance

• y- change label class to the next label class in the list

• shift + y- change label class to the previous label class in the list

• shift + o- send object(s) to the front

• shift + u- send object(s) to the back

• shift + c- converts polygon(s) to mask(s) or vice versa

Polygon tool (P)

• a- place first and additional vertexes of a polygon

• backspace / del- remove last placed vertex

• enter / double click left mouse / click on first vertex- complete polygon

• esc- cancel current polygon/exit tool to Move/Edit

Bounding box (R)

• a- place the first corner of a bounding box/place second corner of a bounding box (completing box)

• enter- complete bounding box

• esc- cancel current bounding box/exit tool to Move/Edit if none in progress

DEXTR (X)

• a / left mouse click- add an extreme point

• backspace / del- delete the last extreme point

• , / .- decrease/increase threshold

• enter- accept an suggestion of label

Brush (B) / Eraser (E)

• , / .- decrease/increase the size of the brush/eraser

• shift + o- enable / disable overpainting

• shift + f- fill closed path

• shift + i- invert mask

• b- shift to brush (if using eraser)

• e- shift to brush (if using brush)

Semantic Segmentation Assistant (S)

• , / .- decrease / increase confidence

• enter- accept all suggested segmentations

Instance Segmentation Assistant (I)

• , / .- decrease / increase confidence

• enter- accept all suggested segmentations

Object Detection Assistant (J)

• , / .- decrease / increase confidence

• enter- accept all suggested objects