Python

https://gyazo.com/4ab5c695b96b2647b73e17fe6530b967

オススメの使い方

画像処理

確率統計の計算分析解析

公式ドキュメント

pip install opencv-contrib-python

code:facedetect.py

import cv2

import sys

cascPath = "haarcascade_frontalface_default.xml"

faceCascade = cv2.CascadeClassifier(cascPath)

video_capture = cv2.VideoCapture(0)

while True:

ret, frame = video_capture.read()

gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

faces = faceCascade.detectMultiScale(

gray,

scaleFactor=1.1,

minNeighbors=5,

minSize=(30, 30),

flags=cv2.cv.CV_HAAR_SCALE_IMAGE

)

for (x, y, w, h) in faces:

cv2.rectangle(frame, (x, y), (x+w, y+h), (0, 255, 0), 2)

cv2.imshow('Video', frame)

if cv2.waitKey(1) & 0xFF == ord('q'):

break

video_capture.release()

cv2.destroyAllWindows()