12_8.py

#define a function which return the bottom center of every bbox
def mid_point(img,person,idx):
  #get the coordinates
  x1,y1,x2,y2 = person[idx]
  _ = cv2.rectangle(img, (x1, y1), (x2, y2), (0,0,255), 2)
  
  #compute bottom center of bbox
  x_mid = int((x1+x2)/2)
  y_mid = int(y2)
  mid   = (x_mid,y_mid)
  
  _ = cv2.circle(img, mid, 5, (0, 0, 255), -1)
  cv2.putText(img, str(idx), mid, cv2.FONT_HERSHEY_SIMPLEX,1, (255, 255, 255), 2, cv2.LINE_AA)
  
  return mid