On Macintosh platforms, use the Command (⌘) key instead of Ctrl.
|In the ROI Label Definition pane, navigate through ROI labels and their groups||Up arrow or down arrow|
|In the Scene Label Definition pane, navigate through scene labels and their groups||Hold Alt and press the up arrow or down arrow|
|Reorder labels within a group or move labels between groups||Click and drag labels|
|Reorder groups||Click and drag groups|
Navigate between frames in a video or image sequence, and change the time interval of the video or image sequence. These controls are located in the bottom pane of the app.
|Go to the next frame||Right arrow|
|Go to the previous frame||Left arrow|
|Go to the last frame|
|Go to the first frame|
|Navigate through time interval boxes and frame navigation buttons||Tab|
|Commit time interval settings||Press Enter within the active time interval box (Start Time, Current, or End Time)|
Perform labeling actions, such as adding, moving, and deleting regions of interest (ROIs), on the current image or video frame.
|Undo labeling action||Ctrl+Z|
|Redo labeling action||Ctrl+Y|
|Select all rectangle and line ROIs||Ctrl+A|
|Select specific rectangle and line ROIs||Hold Ctrl and click the ROIs you want to select|
|Cut selected rectangle and line ROIs||Ctrl+X|
|Copy selected rectangle and line ROIs to clipboard||Ctrl+C|
Paste copied rectangle and line ROIs
For more details, see Use Sublabels and Attributes to Label Ground Truth Data (Computer Vision Toolbox).
|Delete selected rectangle and line ROIs||Delete|
Draw ROI line labels on a frame. ROI line labels are polylines, meaning that they are composed of one or more line segments.
|Commit a polyline to the frame, excluding the currently active line segment||Press Enter or right-click while drawing the polyline|
|Commit a polyline to the frame, including the currently active line segment|
Double-click while drawing the polyline
A new line segment is committed at the point where you double-click.
|Delete the previously created line segment in a polyline||Backspace|
|Cancel drawing and delete the entire polyline||Escape|
Draw polygons to label pixels on a frame.
|Commit a polygon to the frame, excluding the currently active line segment|
Press Enter or right-click while drawing the polygon
The polygon closes up by forming a line between the previously committed point and the first point in the polygon.
|Commit a polygon to the frame, including the currently active line segment|
Double-click while drawing polygon
The polygon closes up by forming a line between the point where you double-clicked and the first point in the polygon.
|Remove the previously created line segment from a polygon||Backspace|
|Cancel drawing and delete the entire polygon||Escape|
|Zoom in or out of frame|
Move the scroll wheel up (zoom in) or down (zoom out)
The scroll wheel works in Zoom In or Zoom Out mode but not Label or Pan modes.
|Zoom in on specific section of frame||From the app toolstrip, under Modes, select Zoom In. Then, draw a box around the section of the frame you want to zoom in on.|
|Save current session||Ctrl+S|