An image analysis request that tracks movement of a previously identified arbitrary object across multiple images or video frames.
SDKs
Framework
class VNTrackObjectRequest : VNTrackingUse this type of request to track the bounding boxes around objects previously identified in an image. Vision attempts to locate the same object from the input observation throughout the sequence.
init(detectedCreates a new object tracking request with a detected object observation.
init(detectedCreates a new object tracking request with a detected object observation.
let VNTrackA constant for specifying revision 1 of VNTrack.
Detect and track faces from the selfie cam feed in real time.
Apply Vision algorithms to track objects or rectangles throughout a video.
class VNTrackingThe abstract superclass for image analysis requests that track unique features across multiple images or video frames.
class VNTrackAn image analysis request that tracks movement of a previously identified rectangular object across multiple images or video frames.
class VNDetectedAn image analysis result that provides the position and extent of a detected image feature.