安裝OpenCV-python :
pip3 install opencv-python
代碼 :
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import cv2
#加載OpenCV 自帶人臉特徵模型
defStr = r'D:\Program Files\Python\Python37-32\Lib\site-packages\cv2\data\haarcascade_frontalface_default.xml'
#輸入識別的圖片地址
pathUrl = r'C:\\projects\\img2.jpg'
#加載模型
faceCascade = cv2.CascadeClassifier(defStr)
#加載圖片
image = cv2.imread(pathUrl)
#灰度轉換
gray = cv2.cvtColor(image,cv2.COLOR_BGR2GRAY)
#識別人臉檢查參數,識別不準確在這裏調整
faces = faceCascade.detectMultiScale(
gray,
scaleFactor=1.0026,
minNeighbors=4,
minSize=(4,4)
)
print("發現{0}個人臉!".format(len(faces)))
for(x,y,w,h) in faces:
print(x,y,w,h)
cv2.rectangle(image,(x,y),(x+w,y+h),(0,255,0),2)
#cv2.circle(image,((x+x+w)/2,(y+y+h)/2),w/2,(0,255,0),2)
#顯示圖像
cv2.imshow("Gakki!",image)
cv2.waitKey(0)
識別專業團隊效果 ~