ASL Alphabet Classifier

Classifies static ASL fingerspelling letters (A-Y, excluding J and Z) from 21 MediaPipe hand landmarks (x, y, z).

Pipeline

Camera -> MediaPipe Hand Landmarker -> 21 landmarks -> this model -> predicted letter -> text -> Web Speech API / gTTS -> voice output.

Files

  • model.keras: trained Keras model
  • labels.json: ordered list mapping output index -> letter
  • tfjs/: browser-ready TensorFlow.js version of the same model

Validation accuracy: 0.9415

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