public async Task LoadModelAsync()
{
var picker = new FileOpenPicker();
picker.ViewMode = PickerViewMode.Thumbnail;
picker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
picker.FileTypeFilter.Add(".model");
var pickedFile = await picker.PickSingleFileAsync();
if (pickedFile != null)
{
// The file cannot be read directly from the DocumentsLibrary, so copy the file into the local app folder
var localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
var localFile = await pickedFile.CopyAsync(localFolder, pickedFile.Name, NameCollisionOption.ReplaceExisting);
var sw = Stopwatch.StartNew();
console.ShowText("Loading CNTK Model... ");
console.ShowProgress(true);
try
{
var path = localFile.Path;
this.cntkRecognizer = CNTKImageRecognizer.Create(path, "Assets\\imagenet1000_clsid.txt");
sw.Stop();
console.ShowText($"Elapsed time: {sw.ElapsedMilliseconds} ms");
}
catch (Exception ex)
{
console.ShowText($"error: {ex.Message}");
sw.Stop();
}
console.ShowProgress(false);
}
}
public async Task Start()
{
var sw = Stopwatch.StartNew();
console.ShowText("Loading CNTK Model... ");
console.ShowProgress(true);
try
{
this.cntkRecognizer = await CNTKImageRecognizer.Create("Assets\\ResNet18_ImageNet_CNTK.model", "Assets\\imagenet1000_clsid.txt");
sw.Stop();
console.ShowText($"Elapsed time: {sw.ElapsedMilliseconds} ms");
}
catch (Exception ex)
{
console.ShowText($"error: {ex.Message}");
sw.Stop();
}
console.ShowProgress(false);
}
private async Task Run()
{
var sw = Stopwatch.StartNew();
this.text.Text = "Loading CNTK Model... ";
try
{
this.cntkRecognizer = await CNTKImageRecognizer.Create("Assets\\ResNet18_ImageNet_CNTK.model", "Assets\\imagenet1000_clsid.txt");
sw.Stop();
this.text.Text += $"Elapsed time: {sw.ElapsedMilliseconds} ms";
this.cntkPickButton.IsEnabled = true;
}
catch (Exception ex)
{
this.text.Text += $"error: {ex.Message}";
sw.Stop();
}
#if false // not using image picker
var folder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Assets");
var files = new String[]
{
"broccoli.jpg",
"cauliflower.jpg",
"snow-leopard.jpg",
"timber-wolf.jpg",
"nile_crocodile_1.jpg",
"American-alligator.jpg"
};
foreach (var fileName in files)
{
var file = await folder.GetFileAsync(fileName);
await RecognizeFile(MLFramework.CNTK, file);
}
#endif
}
