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rnrneverdies/TestRecognizer.cs

Last active March 13, 2018 14:10
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Test method for the Windows Machine Learning, EmotionRecognition sample.
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TestRecognizer.cs
// Load the model
var recognizer = new EmotionRecognizer();
await recognizer.LoadModelAsync());
// Trigger file picker to select an image file
var fileOpenPicker = new FileOpenPicker();
fileOpenPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
fileOpenPicker.FileTypeFilter.Add(".jpg");
fileOpenPicker.FileTypeFilter.Add(".png");
fileOpenPicker.ViewMode = PickerViewMode.Thumbnail;
var selectedStorageFile = await fileOpenPicker.PickSingleFileAsync();
SoftwareBitmap softwareBitmap;
using (IRandomAccessStream stream = await selectedStorageFile.OpenAsync(FileAccessMode.Read))
{
// Create a decoder from the stream
var decoder = await BitmapDecoder.CreateAsync(stream);
// Get the SoftwareBitmap representation of the file in BGRA8 format
var = await decoder.GetSoftwareBitmapAsync();
softwareBitmap = SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Gray8,
BitmapAlphaMode.Ignore);
}
// Encapsulate the image within a VideoFrame to be bound and evaluated
var inputImage = VideoFrame.CreateWithSoftwareBitmap(softwareBitmap);
// Evaluate the image
var result = await recognizer.EvaluateAsync(inputImage);
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