This menu allows to specify a region of interest (ROI).
Enters the ROI specification mode.
Selects the currently displayed ROI frame as the active ROI.
Centers the currently displayed ROI frame in the currently active ROI or, if no ROI is active, in the currently selected video format.
Selects the previous ROI. If this command is applied to the first selected ROI, the extents of the currently selected video format are restored.
Restores an ROI that was removed by the ROI: Undo command.
Removes a selected ROI.