当前环境
系统: windows 10 64
python版本:3.7.3
opencv 版本:3.4.4
python官网:https://www.python.org/
opencv下载地址:https://pypi.tuna.tsinghua.edu.cn/simple/opencv-python/
当前例子为:展示出截取的头像,显示图像并将人像画框
def facedetect(image):
image = imread(image)
# 级联分类器
detector = cv2.CascadeClassifier("D:/study/tf/03/haarcascade_frontalface_default.xml")
rects = detector.detectMultiScale(image, scaleFactor=1.1, minNeighbors=2, minSize=(10, 10), flags=cv2.CASCADE_SCALE_IMAGE)
for (x,y,w,h) in rects:
# 画矩形框
#cv2.rectangle(image, (x,y), (x+w,y+h), (0,255,0),2)
cv2.rectangle(image, (x,y), (x+w,y+h), (0,0,0),0)
tl = image[y:y+w,x:x+h]
plt.imshow(tl)
plt.axis('off')
plt.show()
show(image)