Skip to content
This repository was archived by the owner on Aug 28, 2024. It is now read-only.
This repository was archived by the owner on Aug 28, 2024. It is now read-only.

Lite #326

@GreatValueGreatView

Description

@GreatValueGreatView

setContentView(R.layout.activity_main);
Bitmap bitmap = null;
Module module = null;
try {
// creating bitmap from packaged into app android asset 'image.jpg',
// app/src/main/assets/image.jpg
bitmap = BitmapFactory.decodeStream(getAssets().open("image.jpg"));
// loading serialized torchscript module from packaged into app android asset model.pt,
// app/src/model/assets/model.pt
module = LiteModuleLoader.load(assetFilePath(this, "model.pt"));
} catch (IOException e) {
Log.e("PytorchHelloWorld", "Error reading assets", e);
finish();
}
// showing image on UI
ImageView imageView = findViewById(R.id.image);
imageView.setImageBitmap(bitmap);
// preparing input tensor
final Tensor inputTensor = TensorImageUtils.bitmapToFloat32Tensor(bitmap,
TensorImageUtils.TORCHVISION_NORM_MEAN_RGB, TensorImageUtils.TORCHVISION_NORM_STD_RGB, MemoryFormat.CHANNELS_LAST);
// running the model
final Tensor outputTensor = module.forward(IValue.from(inputTensor)).toTensor();
// getting tensor content as java array of floats
final float[] scores = outputTensor.getDataAsFloatArray();
// searching for the index with maximum score
float maxScore = -Float.MAX_VALUE;
int maxScoreIdx = -1;
for (int i = 0; i < scores.length; i++) {
if (scores[i] > maxScore) {
maxScore = scores[i];
maxScoreIdx = i;
}
}

### Tasks

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions