Eve Smile May 2026

# 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)

Future<void> loadModel() async _interpreter = await Interpreter.fromAsset('smile_model.tflite'); eve smile

# 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 # Smile intensity (mouth opening + lip corner

# Duchenne marker (eye squint) left_eye_open = eye_aspect_ratio(face_landmarks, is_left=True) right_eye_open = eye_aspect_ratio(face_landmarks, is_left=False) duchenne = 1 if (left_eye_open < 0.25 and right_eye_open < 0.25) else 0 right_mouth) mouth_height = distance(upper_lip

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

_interpreter?.run(input, output); return output[0][0] * 100;

1. Product Overview EVE Smile is a mobile-first application that uses computer vision, voice analysis, and positive psychology to help users improve emotional well-being through guided smile exercises, mood tracking, and real-time feedback.