FaceMeshModule.py

import cv2
import mediapipe as mp
import time


class FaceMeshDetector:
    def __init__(self, static_image_mode=True, max_num_faces=1,
                 refine_landmarks=True, min_detection_confidence=0.5):
        self.static_image_mode = static_image_mode
        self.max_num_faces = max_num_faces
        self.refine_landmarks = refine_landmarks
        self.min_detection_confidence = min_detection_confidence

        self.mpDraw = mp.solutions.drawing_utils
        self.mpFaceMesh = mp.solutions.face_mesh
        self.faceMesh = self.mpFaceMesh.FaceMesh(
            static_image_mode=self.static_image_mode,
            max_num_faces=self.max_num_faces,
            refine_landmarks=self.refine_landmarks,
            min_detection_confidence=self.min_detection_confidence
        )
        self.drawSpec = self.mpDraw.DrawingSpec(thickness=1, circle_radius=2)

    def findFaceMesh(self, img, draw=True):
        imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
        results = self.faceMesh.process(imgRGB)
        faces = []
        if results.multi_face_landmarks:
            for faceLms in results.multi_face_landmarks:
                if draw:
                    self.mpDraw.draw_landmarks(
                        img, faceLms, self.mpFaceMesh.FACEMESH_CONTOURS,
                        self.drawSpec, self.drawSpec
                    )
                face = []
                for id, lm in enumerate(faceLms.landmark):
                    ih, iw, ic = img.shape
                    x, y = int(lm.x * iw), int(lm.y * ih)
                    face.append([x, y])
                faces.append(face)
        return img, faces


def main():
    cap = cv2.VideoCapture("D:/Codes/ComputerVision/Poses/muslimface.mp4")
    pTime = 0
    detector = FaceMeshDetector()
    while True:
        success, img = cap.read()
        img, faces = detector.findFaceMesh(img)
        if len(faces) != 0:
            print(faces[0])
        cTime = time.time()
        fps = 1 / (cTime - pTime)
        pTime = cTime
        cv2.putText(
            img, f'FPS: {int(fps)}', (20, 70), cv2.FONT_HERSHEY_PLAIN,
            3, (0, 255, 0), 3
        )
        cv2.imshow("Image", img)
        cv2.waitKey(1)


if __name__ == "__main__":
    main()