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SLAM十四讲之第6讲--非线性优化
2022-06-22 15:01:00 【风轻云淡_Cauchy】
SLAM十四讲之第6讲--非线性优化
1. 示例涉及的依赖包
在安装Ceres库之前,以下依赖包需要提前安装lapack、suitesparse、cxsparse3、 gflags、 google-glog、 gtest、metis。
2. 编译ceres
mkdir build
cd build
cmake ..
make (option)-j8
sudo make test
sudo make install
- 问题
编译的最后两步没执行,导致在/usr/local/include目录下找不到ceres文件夹(存放头文件),以及/usr/local/lib下找不到libceres.a库文件。
执行编译中的最后两步,就OK了。
3. 非线性优化的示例
- cmake出问题
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
G2O_CORE_LIBRARY
忘记安装g2o(General Graphic Optimization)优化库。简单介绍:一个基于图优化的库,图优化是一种将非线性优化与图论结合的理论。
- 安装g20依赖包
sudo apt-get install qt5-qmake qt5-default libqglviewer-dev-qt5 libsuitesparse-dev libcxsparse3 libcholmod3
- 下载编译g2o
git clone https://github.com/RainerKuemmerle/g2o
make build
cd build
cmake ..
make -j8
sudo make test
sudo make install
4. 笔记





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