画像処理 「OpenCV 4」アニメ顔を検出して矩形で囲む

import cv2

anime_face_cascade = cv2.CascadeClassifier(
    'lbpcascade_animeface.xml')

img = cv2.imread("chihiro019.jpg", cv2.IMREAD_COLOR)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

faces = anime_face_cascade.detectMultiScale(gray,
                                            scaleFactor=1.1,
                                            minNeighbors=2,
                                            minSize=(24, 24))

for x, y, w, h in faces:
    cv2.rectangle(img, (x, y), (x+w, y+h), (0, 0, 255), 3)

cv2.imshow("result", img)
cv2.waitKey(0)
cv2.destroyAllWindows()