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Unknown model file format version with Yolo Model Object Detection #3

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@michael-hawker

"The parameter is incorrect.\r\n\r\nFailed to load model with error: Unknown model file format version."

   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<InitModelAsync>d__9.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<EvaluateFrame>d__10.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<DetectObjects>d__8.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<DetectObjects>d__6.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at IntelligentLabsTest.ResultsPage.<OnNavigatedTo>d__4.MoveNext() in H:\code\Labs-IntelligentAPIs\IntelligentAPIsTester\ResultsPage.xaml.cs:line 74
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__7_0(Object state)
   at System.Threading.WinRTSynchronizationContextBase.Invoker.InvokeCore()

Happens for me in main and with NuGet package.

VS 16.9.8
Win 10 21H1 19043

Activity

  1. michael-hawker commented on Aug 4, 2021

    @michael-hawker
    MemberAuthor

    Happens on this line:

    _session = new LearningModelSession(_model, device);
    
       at Windows.AI.MachineLearning.LearningModelSession..ctor(LearningModel model, LearningModelDevice deviceToRunOn)
       at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<InitModelAsync>d__9.MoveNext() in H:\code\Labs-IntelligentAPIs\ObjectDetector\YOLOObjectDetector.cs:line 191
    
  2. michael-hawker commented on Aug 4, 2021

    @michael-hawker
    MemberAuthor

    This happens for me in their official sample as well:

    image

  3. michael-hawker commented on Aug 5, 2021

    @michael-hawker
    MemberAuthor

    Linking to issue in the sample repo here #404.

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