阈值+滑动条

辰之粥

于 2020-01-17 21:21:17 发布

阅读量462

点赞数 1

分类专栏： opencv 文章标签： opencv

本文链接：https://blog.youkuaiyun.com/chenzhoujian_/article/details/104024942

版权

opencv 专栏收录该内容

13 篇文章

订阅专栏

import cv2 as cv
import numpy as np


def nothing():
    pass

img = cv.imread("D://opencv_test//test_a.jpg")
cv.namedWindow("win")
cv.createTrackbar("Threshold", "win", 0, 255, nothing)
img_gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
while(1):
    t = cv.getTrackbarPos("Threshold", "win")
    ret, img_1 = cv.threshold(img_gray, t, 255, cv.THRESH_BINARY)
    cv.imshow("win", img_1)
    if(cv.waitKey(50)&0xFF == 27):
        break


cv.destroyAllWindows()