hi sir actully face_cascade.detectMultiScale line gives following error kindly help
3 if b==False:
4 continue
----> 5 frames=fc.detectMultiScale(frame,1.3,5)
6 # b,frame=cap.read()
error: OpenCV(4.4.0) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-k8sx3e60\opencv\modules\objdetect\src\cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function ‘cv::CascadeClassifier::detectMultiScale’
hey @gaurangagarwal557, check if the path of haarcascade file is correct and it exists at the specified location. Also then check if your web cam opens or not, light near web cam opens or not.
Hope this resolved your doubt. 
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