BodyMovementModule.py

import time

import cv2
import mediapipe as mp
import math


class poseDetector():
    def __init__(self, mode=False, upBody=False, smooth=True, detectionCon=0.5, trackCon=0.5):
        self.mode = mode
        self.upBody = upBody
        self.smooth = smooth
        self.detectionCon = detectionCon
        self.trackCon = trackCon
        self.mpPose = mp.solutions.pose
        self.pose = self.mpPose.Pose(self.mode, self.upBody, self.smooth, self.detectionCon, self.trackCon)
        self.mpDraw = mp.solutions.drawing_utils

    def findPose(self, img, draw=True):
        imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
        self.results = self.pose.process(imgRGB)
        if self.results.pose_landmarks:
            if draw:
                self.mpDraw.draw_landmarks(img, self.results.pose_landmarks, self.mpPose.POSE_CONNECTIONS)

        return img

    def findPosition(self, img, draw=True):
        self.lmList = []
        if self.results.pose_landmarks:
            for id, lm in enumerate(self.results.pose_landmarks.landmark):
                h, w, c = img.shape
                cx, cy = int(lm.x * w), int(lm.y * h)
                self.lmList.append([id, cx, cy])
                if draw:
                    cv2.circle(img, (cx, cy), 2, (255, 0, 0), cv2.FILLED)
        return self.lmList

    def findAngle(self, img, p1, p2, p3, draw=True):
        x1, y1 = self.lmList[p1][1:]
        x2, y2 = self.lmList[p2][1:]
        x3, y3 = self.lmList[p3][1:]
        angle = math.degrees(math.atan2(y3 - y2, x3 - x2) - (math.atan2(y1 - y2, x1 - x2)))
        if angle < 0:
            angle += 360
        if draw:
            cv2.circle(img, (x1, y1), 15, (0, 0, 255), cv2.FILLED)
            cv2.circle(img, (x2, y2), 15, (0, 0, 255), cv2.FILLED)
            cv2.circle(img, (x3, y3), 15, (0, 0, 255), cv2.FILLED)
            cv2.line(img, (x1, y1), (x2, y2), (255, 255, 255), 3)
            cv2.line(img, (x3, y3), (x2, y2), (255, 255, 255), 3)
            cv2.putText(img, str(int(angle)), (x2 - 20, y2 + 50), cv2.FONT_HERSHEY_PLAIN, 2, (255, 0, 255), 2)
        return angle

def main():
    cap = cv2.VideoCapture('Videos/1.mp4')
    pTime = 0
    detector = poseDetector()
    while True:
        success, img = cap.read()
        img = detector.findPose(img)
        lmList = detector.findPosition(img)
        cv2.circle(img, (lmList[14][1], lmList[14][2]), 15, (0, 0, 255), cv2.FILLED)
        cTime = time.time()
        fps = 1 / (cTime - pTime)
        pTime = cTime
        cv2.putText(img, str(int(fps)), (70, 50), cv2.FONT_HERSHEY_PLAIN, 3, (255, 0, 0), 3)
        cv2.imshow("Image", img)
        cv2.waitKey(1)


# if we are hole module it will run main but if we calling a function it will not run this part
if __name__ == "__main__":
    main()

# Note
# 0=nose, 1=left_eye_inner, 2=left_eye, 3=left_eye_outer, 4=right_eye_inner, 5=right_eye,6=right_eye_outer
# 7=left_ear, 8=right_ear, 9=mouth_left, 10=mouth_right,11=left_shoulder,12=right_shoulder,13=left_elbow
# 14= right_elbow, 15=left_wrist,16=right_wrist,17=left_pinky,18=right_pinky,19=left_index,20=right_index
# 21= left_thump, 22=right_thumb,23=left_hip,24=right_hip,25=left_knee,26=right_knee,27=left_ankle
# 28=right_ankle, 29=left_heel, 30=right_heel,31=left_foot_index,32=right_foot_index