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example.py
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example.py
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from invigilator.invigilator import Invigilator
import cv2
import time
from invigilator.utils import preprocess_img
proctor = Invigilator()
cap = cv2.VideoCapture(0)
f = 0
t0 = time.time()
fps = 0
while(True):
# Capture frame-by-frame
ret, frame = cap.read()
warnings, dets = proctor.give_image(frame)
if warnings is None:
continue
for warning in warnings:
print(warning)
print('Frame : '+str(f))
# To find frame rate
f+=1
if f%5 == 0:
fps = 5/(time.time() - t0)
t0 = time.time()
img_fd = preprocess_img(frame)
if len(warnings)>0:
color = (0,0,255)
else:
color = (0,255,0)
for i in range(len(dets)):
cv2.rectangle(img_fd, (dets[i]['box'][0], dets[0]['box'][1]), (dets[0]['box'][0]+dets[0]['box'][2], dets[0]['box'][1]+dets[0]['box'][3]), color , 1)
cv2.circle(img_fd ,(dets[i]['keypoints']['left_eye'][0], dets[0]['keypoints']['left_eye'][1]), 3, (0,0,255), thickness=-1)
cv2.circle(img_fd ,(dets[i]['keypoints']['right_eye'][0], dets[0]['keypoints']['right_eye'][1]), 3, (0,0,255), thickness=-1)
cv2.circle(img_fd ,(dets[i]['keypoints']['nose'][0], dets[0]['keypoints']['nose'][1]), 3, (0,0,255), thickness=-1)
cv2.circle(img_fd ,(dets[i]['keypoints']['mouth_left'][0], dets[0]['keypoints']['mouth_left'][1]), 3, (0,0,255), thickness=-1)
cv2.circle(img_fd ,(dets[i]['keypoints']['mouth_right'][0], dets[0]['keypoints']['mouth_right'][1]), 3, (0,0,255), thickness=-1)
img_fd = cv2.putText(img_fd
, 'pitch:' + "{:.2f}".format(dets[i]['pitch'])
, (dets[0]['box'][0]+dets[0]['box'][2]+5, dets[0]['box'][1]+8)
, cv2.FONT_HERSHEY_SIMPLEX
, 0.5
, color
, 1
, cv2.LINE_AA)
img_fd = cv2.putText(img_fd
, 'FPS : '+"{:.2f}".format(fps)
, (25, 25)
, cv2.FONT_HERSHEY_SIMPLEX
, 0.5
, (0,255,0)
, 1
, cv2.LINE_AA)
cv2.imshow('Landmarks',img_fd)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
f+=1
# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()