app/process.py

import cv2
import mediapipe as mp

mp_face_detection = mp.solutions.face_detection
mp_drawing = mp.solutions.drawing_utils

def detect_faces(image_path):
    image = cv2.imread(image_path)
    with mp_face_detection.FaceDetection(model_selection=1, min_detection_confidence=0.5) as face_detection:
        results = face_detection.process(cv2.cvtColor(image, cv2.COLOR_BGR2RGB))
        if results.detections:
            for detection in results.detections:
                mp_drawing.draw_detection(image, detection)
    return image