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VNTrackingRequestMBS class
Super class: VNImageBasedRequestMBS
| Type | Topic | Plugin | Version | macOS | Windows | Linux | iOS | Targets |
| class | Vision | MBS MacFrameworks Plugin | 19.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes | All |
Instantiate a tracking request subclass to perform object tracking across multiple frames of an image. After initialization, configure the degree of accuracy by setting trackingLevel, and provide observations you would like to track by setting the inputObservation initial bounding box.
Subclass of the VNImageBasedRequestMBS class.
This is an abstract class. You can't create an instance, but you can get one from various plugin functions.
- 3 properties
- property inputObservation as VNDetectedObjectObservationMBS
- property LastFrame as Boolean
- property trackingLevel as Integer
- method Constructor Private
- 2 constants
TrackingLevel
| Constant | Value | Description |
|---|---|---|
| VNRequestTrackingLevelAccurate | 0 |
Tracking level that favors location accuracy over speed. |
| VNRequestTrackingLevelFast | 1 |
Tracking level that favors speed over location accuracy. |
Super class VNImageBasedRequestMBS
- property regionOfInterest as CGRectMBS
- method Constructor Private
Super class VNRequestMBS
- 6 properties
- property className as String
- property ClassPath as String
- property Handle as Integer
- property preferBackgroundProcessing as Boolean
- property revision as Integer
- property usesCPUOnly as Boolean
- 4 methods
- method cancel
- method Constructor Private
- method copy as VNRequestMBS
- method results as VNObservationMBS()
- 3 shared methods
- shared method currentRevision as Integer
- shared method defaultRevision as Integer
- shared method supportedRevisions as NSIndexSetMBS
Sub classes:
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The items on this page are in the following plugins: MBS MacFrameworks Plugin.
VNTextObservationMBS - VNTrackObjectRequestMBS
