以下代码为在Python3环境下利用OpenCV 抓取摄像头的实时图像, 通过OpenCV的 calHist函数计算直方图, 并显示在3个不同窗口中. import cv2 import numpy as np from matplotlib import pyplot as plt import time cap = cv2.VideoCapture(0) for i in range(0, 19): print(cap.get(i)) while(1): ret, fram…
map函数是Python里面比较重要的函数,设计灵感来自于函数式编程.Python官方文档中是这样解释map函数的: map(function, iterable, ...) Return an iterator that applies function to every item of iterable, yielding the results. If additional iterable arguments are passed, function must take that man…
在ubuntu下编译opencv程序后,执行报下面到错误:error while loading shared libraries: libopencv_core.so.2.4: cannot open shared object file: No such file or directory解决方法:找到libopencv_开头到库的目录,在/usr/local/lib下面,在/etc/ld.so.conf.d/下面新建一个opencv.conf,里面写入/usr/local/lib,最后执行…
[OpenCV][ARM9下移植OpenCV] 安装环境 宿主机: Red Hat Enterprise Linux Server 6.3 开发板: mini2440 相关软件: cmake-3.5.1.tar.gz.OpenCV-2.3.1a.tar.bz2 下载地址: CMake: https://cmake.org/files/v3.5/cmake-3.5.1.tar.gz OpenCV: http://downloads.sourceforge.net/project/opencvl…