FaceMeshModule.py

import cv2
import mediapipe as mp
import time
import numpy


class FaceMeshDetector():

    def __init__(self,staticMode=False,maxFaces=10,minDetectionCon=0.5,
                 minTrackCon=0.5):

        self.staticMode = staticMode
        self.maxFaces = maxFaces
        self.minDetectionCon = minDetectionCon
        self.minTrackCon = minTrackCon

        self.mpDraw = mp.solutions.drawing_utils
        self.mpFaceMesh = mp.solutions.face_mesh
        self.faceMesh = self.mpFaceMesh.FaceMesh(self.staticMode,self.maxFaces,
                                                 self.minDetectionCon,
                                                 self.minTrackCon)
        self.drawSpec = self.mpDraw.DrawingSpec(thickness=1, circle_radius=1)

    def findFaceMesh(self,img,draw=True):

        self.imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
        self.results = self.faceMesh.process(self.imgRGB)
        faces = []

        if self.results.multi_face_landmarks:
            for faceLms in self.results.multi_face_landmarks:
                if draw:
                    self.mpDraw.draw_landmarks(img, faceLms, self.mpFaceMesh.FACE_CONNECTIONS,
                                      self.drawSpec, self.drawSpec)


                face=[]
                for id, lm in enumerate(faceLms.landmark):
                    # print(lm)
                    ih, iw, ic = img.shape
                    x, y = int(lm.x * iw), int(lm.y * ih)
                    # cv2.putText(img, str(id), (x,y),
                    #             cv2.FONT_HERSHEY_PLAIN,
                    #             0.6, (0, 255, 0), 1)
                    # print(id, x, y)
                    face.append([x,y])

                faces.append(face)

        return img,faces




def main():

    cap = cv2.VideoCapture("PoseVideos/kgf_Trim (5).mp4")  # "PoseVideos/kgf_Trim (5).mp4"
    pTime = 0
    detector=FaceMeshDetector()

    while True:
        success, img = cap.read()
        img,faces=detector.findFaceMesh(img)
        if len(faces)!=0:
            print((faces))
        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(10)

if __name__=="__main__":
    main()