opencv 安装

opencv 安装

工具

bash 复制代码
sudo apt-get install cmake

依赖包

bash 复制代码
sudo apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev libjpeg.dev libtiff4.dev libswscale-dev libjasper-dev
bash 复制代码
sudo make
sudo make install
  • 配置环境
bash 复制代码
sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
bash 复制代码
sudo ldconfig
bash 复制代码
sudo vim /etc/bash.bashrc  
bash 复制代码
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig  
export PKG_CONFIG_PATH  
bash 复制代码
source /etc/bash.bashrc  
bash 复制代码
sudo updatedb  

测试

bash 复制代码
cd opencv-3.4.1/samples/cpp/example_cmake

cmake .
make
./opencv_example
bash 复制代码
cd /home/syh/temp/opencv2/helloworld

vim CMakeLists.txt

cmake .
make
./helloworld
bash 复制代码
vim zz.cpp
vim 复制代码
#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/videoio.hpp"
#include <iostream>
using namespace cv;
using namespace std;
int main()
{
    cout << "Built with OpenCV " << CV_VERSION << endl;
    Mat image = imread("000001.JPEG");
    cout << image.cols <<"," << image.rows << endl;

    resize(image, image, Size(360, 202));

    cout << "after resize:" << endl;
    cout << image.cols <<"," << image.rows << endl;
    cvtColor(image, image, CV_RGB2GRAY);
}
bash 复制代码
vim CMakeLists.txt
vim 复制代码
# cmake needs this line
cmake_minimum_required(VERSION 2.8)

# Define project name
project(helloworld_project)

# Find OpenCV, you may need to set OpenCV_DIR variable
# to the absolute path to the directory containing OpenCVConfig.cmake file
# via the command line or GUI
find_package(OpenCV REQUIRED)

# If the package has been found, several variables will
# be set, you can find the full list with descriptions
# in the OpenCVConfig.cmake file.
# Print some message showing some of them
message(STATUS "OpenCV library status:")
message(STATUS "    version: ${OpenCV_VERSION}")
message(STATUS "    libraries: ${OpenCV_LIBS}")
message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")

if(CMAKE_VERSION VERSION_LESS "2.8.11")
  # Add OpenCV headers location to your include paths
  include_directories(${OpenCV_INCLUDE_DIRS})
endif()

# Declare the executable target built from your sources
add_executable(helloworld zz.cpp)

# Link your application with OpenCV libraries
target_link_libraries(helloworld PRIVATE ${OpenCV_LIBS})

Error

bash 复制代码
undefined reference to TIFFReadEncodedStrip@LIBTIFF_4.0'

# 解决方案
sudo mv /usr/local/anaconda3/lib/libtiff.so* ~/temp
相关推荐
西猫雷婶3 小时前
CNN卷积计算
人工智能·神经网络·cnn
格林威4 小时前
常规线扫描镜头有哪些类型?能做什么?
人工智能·深度学习·数码相机·算法·计算机视觉·视觉检测·工业镜头
倔强青铜三5 小时前
苦练Python第63天:零基础玩转TOML配置读写,tomllib模块实战
人工智能·python·面试
B站计算机毕业设计之家5 小时前
智慧交通项目:Python+YOLOv8 实时交通标志系统 深度学习实战(TT100K+PySide6 源码+文档)✅
人工智能·python·深度学习·yolo·计算机视觉·智慧交通·交通标志
高工智能汽车5 小时前
棱镜观察|极氪销量遇阻?千里智驾左手服务吉利、右手对标华为
人工智能·华为
txwtech6 小时前
第6篇 OpenCV RotatedRect如何判断矩形的角度
人工智能·opencv·计算机视觉
正牌强哥6 小时前
Futures_ML——机器学习在期货量化交易中的应用与实践
人工智能·python·机器学习·ai·交易·akshare
倔强青铜三6 小时前
苦练Python第62天:零基础玩转CSV文件读写,csv模块实战
人工智能·python·面试
大模型真好玩6 小时前
低代码Agent开发框架使用指南(二)—Coze平台核心功能概览
人工智能·coze·deepseek
jerryinwuhan7 小时前
最短路径问题总结
开发语言·人工智能·python