import cv2
yuz_cascade =cv2.CascadeClassifier("C:/Users/-----/OneDrive/Masaüstü/Jupyter/opencv-4.x/data/haarcascades/haarcascade_frontalface_default.xml")
cap = cv2.VideoCapture(0)

ret, img = cap.read()

yuzler = yuz_cascade.detectMultiScale(img, 1.3, 5)

for(x,y,w,h) in yuzler[0:kac_yuz_algilama]:

  cv2.rectangle(img,(x,y),(x+w,y+h),(0,230,0),2)

  yuz = img[y:y+h, x:x+w]

cv2.imshow("Pencere",img)

cap.release()

cv2.destroyAllWindows()

[ERROR:0@0.045] global persistence.cpp:512 cv::FileStorage::Impl::open Can't open file: 'C:/Users/mirac/OneDrive/Masaüstü/Jupyter/opencv-4.x/data/haarcascades/haarcascade_frontalface_default.xml' in read mode
Traceback (most recent call last):
  File "C:\Users\----\YüzTanıma\main.py", line 7, in <module>
    yuzler = yuz_cascade.detectMultiScale(img, 1.3, 5)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
cv2.error: OpenCV(4.8.0) D:\a\opencv-python\opencv-python\opencv\modules\objdetect\src\cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'


Process finished with exit code 1

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