// we like to find people and make an image mask
Var request As New VNGeneratePersonInstanceMaskRequestMBS
Var requests() As VNRequestMBS = Array(request)

Var file As FolderItem = SpecialFolder.Desktop.Child("image0.jpeg")
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 VNInstanceMaskObservationMBS Then
    Var hresult As VNInstanceMaskObservationMBS = VNInstanceMaskObservationMBS(result)
    
    // render all the layers together to one pixel buffer
    Var image As CVPixelBufferMBS = hresult.generateScaledMaskForImageForInstances(hresult.allInstances, imageRequestHandler, error)
    
    // and show in window
    Var c As NSImageMBS = image.NSImage
    Window1.Backdrop = c.CopyPicture
  End If
End If