本文实例为大家分享了python3实现人脸识别的具体代码,供大家参考,具体内容如下
第一种:
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import cv2 import numpy as np filename = 'test1.jpg' path = r 'd:\face' def detect(filename): face_cascade = cv2.cascadeclassifier( 'haarcascade_frontalface_default.xml' ) face_cascade.load(path + '\haarcascade_frontalface_default.xml' ) img = cv2.imread(filename) gray = cv2.cvtcolor(img, cv2.color_bgr2gray) faces = face_cascade.detectmultiscale(gray, 1.3 , 5 ) for (x, y, w, h) in faces: img = cv2.rectangle(img, (x, y), (x + w, y + h), ( 255 , 0 , 0 ), 2 ) cv2.namedwindow( "vikings detected" ) cv2.imshow( "vikings detected" , img) cv2.waitkey( 0 ) detect(filename) |
结果:
第二种 参考贾志刚opencv教程
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# -*- coding:utf-8 -*- import cv2 as cv import numpy as np src = cv.imread( 'test1.jpg' ) path = r 'd:\face' def face_detect_demo(): gray = cv.cvtcolor(src,cv.color_bgr2gray) face_detector = cv.cascadeclassifier( 'haarcascade_frontalface_default.xml' ) face_detector.load(path + '\haarcascade_frontalface_default.xml' ) faces = face_detector.detectmultiscale(gray, 1.3 , 5 ) for x,y,w,h in faces: cv.rectangle(src,(x,y),(x + w,y + h),( 0 , 0 , 255 ), 2 ) cv.imshow( "result" ,src) print ( "--------------python face detect-------------" ) cv.namedwindow( "input image" , 0 ) cv.namedwindow( "result" , 0 ) cv.imshow( "input image" ,src) face_detect_demo() cv.waitkey( 0 ) cv.destroyallwindows() |
结果:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/weixin_42512266/article/details/89467643