Instance Property


A Boolean that indicates the last frame in a tracking sequence.


var isLastFrame: Bool { get set }


If set to true, the current tracker will be released to the pool of available trackers when the current frame finishes processing.

See Also

Configuring a Tracking Request

enum VNRequestTrackingLevel

An enumeration of tracking priorities.

var inputObservation: VNDetectedObjectObservation

The observation object defining a region to track.

var trackingLevel: VNRequestTrackingLevel

A value for specifying whether to prioritize speed or location accuracy.