python如何对摄像头实时绿幕抠图换背景？
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# -*- coding: utf-8 -*-
from PIL import Image
import numpy as np
import cv2
cap =cv2.VideoCapture(0,cv2.CAP_DSHOW)
cap.set(5,10)
# 要替换的背景，分辨率为摄像头的尺寸，否则会报错
img_back=cv2.imread('bk.jpg')
while True:
ret,frame = cap.read()
if ret == False:
continue
#获取摄像头捕获相片的尺寸,替换背景图片尺寸必须与摄像头图片尺寸一致，否则会报错
rows, cols, channels = frame.shape
print(frame.shape)
lower_color =...点击查看剩余70%
by thinkfuture
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