An image analysis result that provides the position and extent of a detected image feature.
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
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.