The abstract superclass for image analysis requests that track unique features across multiple images or video frames.
SDKs
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
Framework
- Vision
Declaration
class VNTrackingRequest : VNImage Based Request
Overview
Instantiate a tracking request subclass to perform object tracking across multiple frames of an image. After initialization, configure the degree of accuracy by setting tracking
, and provide observations you’d like to track by setting the input
initial bounding box.