An image analysis result that provides the position and extent of a detected image feature.
- iOS 11.0+
- macOS 10.13+
- tvOS 11.0+
- Mac Catalyst 13.0+Beta
This type of observation results from a
VNTrackObjectRequest. It represents a detected object that the Vision request should track.
Initializing a Detected Object Observation
Locating a Detected Object
The abstract superclass for image analysis requests that track unique features across multiple images or video frames.
An image analysis request that tracks movement of a previously identified rectangular object across multiple images or video frames.
An image analysis request that tracks movement of a previously identified arbitrary object across multiple images or video frames.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software