1.使用命令查看当前python版本为3.8
python --version
2.使用命令安装opencv
pip3 install opencv_python
3.搜索对应版本的dlib文件下载好后用命令在适合的位置进行安装
python3.8的链接:https://pan.baidu.com/s/1kLn0uEqO5xinuTMZzk3fFA
提取码:kh99
python3.7的链接:https://pan.baidu.com/s/14cxfDkC2dODyncLAZ3bwaQ
提取码:w8hp
cd 到解压的文件路径,比如我解压的路径是
打开pycharm创建的项目下的控制台输入指令:
cd /d D:/dlib
然后输入指令:
pip install dlib-19.21.99-cp38-cp38-win_amd64.whl
# -*- coding: utf-8 -*-
"""
Created on Wed Oct 27 03:15:10 2021
@author: GT72VR
"""
import numpy as np
import cv2
import dlib
import os
import sys
import random
# 存储位置
output_dir = 'D:/dlib'
size = 64
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# 改变图片的亮度与对比度
def relight(img, light=1, bias=0):
w = img.shape[1]
h = img.shape[0]
# image = []
for i in range(0, w):
for j in range(0, h):
for c in range(3):
tmp = int(img[j, i, c] * light + bias)
if tmp > 255:
tmp = 255
elif tmp < 0:
tmp = 0
img[j, i, c] = tmp
return img
# 使用dlib自带的frontal_face_detector作为我们的特征提取器
detector = dlib.get_frontal_face_detector()
# 打开摄像头 参数为输入流,可以为摄像头或视频文件
camera = cv2.VideoCapture(0)
# camera = cv2.VideoCapture('C:/Users/CUNGU/Videos/Captures/wang.mp4')
ok = True
detector = dlib.get_frontal_face_detector()
predictor = dlib.shape_predictor('D:\BaiduNetdiskDownload\shape_predictor_68_face_landmarks.dat')
while ok:
# 读取摄像头中的图像,ok为是否读取成功的判断参数
ok, img = camera.read()
# 转换成灰度图像
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
rects = detector(img_gray, 0)
for i in range(len(rects)):
landmarks = np.matrix([[p.x, p.y] for p in predictor(img, rects[i]).parts()])
for idx, point in enumerate(landmarks):
# 68点的坐标
pos = (point[0, 0], point[0, 1])
print(idx, pos)
# 利用cv2.circle给每个特征点画一个圈,共68个
cv2.circle(img, pos, 2, color=(0, 255, 0))
# 利用cv2.putText输出1-68
font = cv2.FONT_HERSHEY_SIMPLEX
cv2.putText(img, str(idx + 1), pos, font, 0.2, (0, 0, 255), 1, cv2.LINE_AA)
cv2.imshow('video', img)
k = cv2.waitKey(1)
if k == 27: # press 'ESC' to quit
break
camera.release()
cv2.destroyAllWindows()
画墨镜函数:
def painting_sunglasses(img,detector,predictor):
#给人脸带上墨镜
rects = detector(img_gray, 0)
for i in range(len(rects)):
landmarks = np.matrix([[p.x, p.y] for p in predictor(img,rects[i]).parts()])
right_eye_x=0
right_eye_y=0
left_eye_x=0
left_eye_y=0
for i in range(36,42):#右眼范围
#将坐标相加
right_eye_x+=landmarks[i][0,0]
right_eye_y+=landmarks[i][0,1]
#取眼睛的中点坐标
pos_right=(int(right_eye_x/6),int(right_eye_y/6))
"""
利用circle函数画圆
函数原型
cv2.circle(img, center, radius, color[, thickness[, lineType[, shift]]])
img:输入的图片data
center:圆心位置
radius:圆的半径
color:圆的颜色
thickness:圆形轮廓的粗细(如果为正)。负厚度表示要绘制实心圆。
lineType: 圆边界的类型。
shift:中心坐标和半径值中的小数位数。
"""
cv2.circle(img=img, center=pos_right, radius=30, color=(0,0,0),thickness=-1)
for i in range(42,48):#左眼范围
#将坐标相加
left_eye_x+=landmarks[i][0,0]
left_eye_y+=landmarks[i][0,1]
#取眼睛的中点坐标
pos_left=(int(left_eye_x/6),int(left_eye_y/6))
cv2.circle(img=img, center=pos_left, radius=30, color=(0,0,0),thickness=-1)
运行:
camera = cv2.VideoCapture(0)#打开摄像头
ok=True
# 打开摄像头 参数为输入流,可以为摄像头或视频文件
while ok:
ok,img = camera.read()
# 转换成灰度图像
img_gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
#display_feature_point(img,detector,predictor)
painting_sunglasses(img,detector,predictor)#调用画墨镜函数
cv2.imshow('video', img)
k = cv2.waitKey(1)
if k == 27: # press 'ESC' to quit
break
camera.release()
cv2.destroyAllWindows()
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