Class

VNTrackObjectRequest

An image analysis request that tracks movement of a previously identified arbitrary object across multiple images or video frames.

Overview

Use this type of request to track the bounding boxes around objects previously identified in an image. Vision will attempt to locate the same object from the input observation throughout the sequence.

Topics

Initializing an Object Tracking Request

init(detectedObjectObservation: VNDetectedObjectObservation)

Creates a new object tracking request with a detected object observation.

Relationships

Inherits From

Conforms To

See Also

Object Tracking

class VNTrackingRequest

The abstract superclass for image analysis requests that track unique features across multiple images or video frames.

class VNTrackRectangleRequest

An image analysis request that tracks movement of a previously identified rectangular object across multiple images or video frames.

class VNDetectedObjectObservation

An image analysis result that provides the position and extent of a detected image feature.