# Symmetry (difference between left and right smile pull) left_cheek = face_landmarks.landmark[234] # left cheek right_cheek = face_landmarks.landmark[454] # right cheek symmetry = 100 - abs(left_cheek.y - right_cheek.y) * 200
Future<void> loadModel() async _interpreter = await Interpreter.fromAsset('smile_model.tflite'); eve smile
# Smile intensity (mouth opening + lip corner pull) mouth_width = distance(left_mouth, right_mouth) mouth_height = distance(upper_lip, lower_lip) intensity = min(100, (mouth_width / normalized_width) * 50 + (mouth_height / normalized_height) * 50) # Symmetry (difference between left and right smile
Future<double> detectSmile(CameraImage image) async // Convert CameraImage to tensor input (224x224 RGB) var input = preprocessImage(image); var output = List.filled(1, 0).reshape([1, 1]); // output: smile score 0-1 right_mouth) mouth_height = distance(upper_lip