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VNClassifyImageRequestMBS class

Super class: VNImageBasedRequestMBS

// we like to find animals in the image
Var request As New VNClassifyImageRequestMBS
Var requests() As VNRequestMBS = Array(request)

Var file As FolderItem = SpecialFolder.Desktop.Child("P8290009.JPG")
Var imageRequestHandler As VNImageRequestHandlerMBS = VNImageRequestHandlerMBS.RequestWithFile(file)

// perform request synchronously. Asynchronously with callback is also possible
Var error As NSErrorMBS
Var r As Boolean = imageRequestHandler.performRequests(requests, error)

If r Then
  
  Var results() As VNObservationMBS = request.results
  Var result As VNObservationMBS = results(0)
  If result IsA VNClassificationObservationMBS Then
    Var hresult As VNClassificationObservationMBS = VNClassificationObservationMBS(result)
    // show first observation identifier
    MessageBox hresult.identifier
  End If
End If

• 2 methods
  • method Constructor(DelegateHandler as VNRequestCompletedMBS = nil, tag as variant = nil)
  • method supportedIdentifiers(byref error as NSErrorMBS) as String()
• 2 shared methods
  • shared method available as Boolean
  • shared method knownClassificationsForRevision(requestRevision as Integer = 1, byref error as NSErrorMBS) as VNClassificationObservationMBS()

Super class VNImageBasedRequestMBS

• property regionOfInterest as CGRectMBS
• method Constructor   Private

Super class VNRequestMBS

• 7 properties
  • property className as String
  • property ClassPath as String
  • property description as String   New in 25.3
  • 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

This class has no sub classes.

Blog Entries

• News from the MBS Xojo Plugins Version 23.3
• MBS Xojo Plugins, version 23.3pr2
• Vision Framework for Xojo

Release notes

• Version 23.3
  • Added supportedIdentifiers method to VNClassifyImageRequestMBS class.

Some examples using this class:

• /MacFrameworks/Vision Object Detection/Vision Object Detection

Some related classes:

• class CGRectMBS
• class NSErrorMBS
• class NSIndexSetMBS
• class VNClassificationObservationMBS
• class VNImageBasedRequestMBS
• class VNImageRequestHandlerMBS
• class VNObservationMBS
• class VNRequestMBS

The items on this page are in the following plugins: MBS MacFrameworks Plugin.

VNClassificationObservationMBS   -   VNCoreMLFeatureValueObservationMBS