Study Blog

[Action Tutorial] Basic concept of ROS Action

Understand basic concept of ROS Action

[Anaconda Error] ImportError: ~/anaconda3/envs/ee837/bin/../lib/libgio-2.0.so.0: undefined symbol: g_unix_get_passwd_entry

Anaconda Error 1

[Anaconda Error] ImportError: /lib/x86_64-linux-gnu/~.so.6: version `GLIBC_2.29’ not found (required by /home/sj/anaconda3/envs/~/lib/python3.8/site-packages/~.so)

Anaconda Error 2

[Android Studio] How to manually install App in Android Device?

Manually install App in Android Device

[Boost Error] gcc.compile.c++ bin.v2/libs/python/build/gcc-7/release/link-static/threading-multi/converter/builtin_converters.o libs/python/src/converter/builtin_converters.cpp: In function ‘void* boost::python::converter::{anonymous}::convert_to_cstring(PyObject)’: libs/python/src/converter/builtin_converters.cpp:51:35: error: invalid conversion from ‘const void’ to ‘void*’ [-fpermissive] return PyUnicode_Check(obj) ? _PyUnicode_AsString(obj) : 0;

Boost Error 1

[Boost Error] libcv_bridge.so：undefined reference to ‘boost::re_detail_106900::perl_matcher<char const, std::allocator<boost::sub_match<char const> >, boost::regex_traits<char, boost::cpp_regex_traits > >::construct_init(boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits > > const&, boost::regex_constants::_match_flags)

Boost Error 2

[Boost Error] CMake Error at /usr/local/share/cmake-3.25/Modules/FindPackageHandleStandardArgs.cmake:230 (message): Could NOT find Boost (missing: python) (found version ‘0.0.0’)

Boost Error 3

[Boost Error] make[2]: *** No rule to make target ‘/usr/lib/x86_64-linux-gnu/libboost_regex.so’, needed by ‘/home/~/catkin_ws/${Algorithm}/devel/.private/cv_bridge/lib/libcv_bridge.so’. Stop.

Boost Error 4

[Boost Error] /usr/bin/ld: warning: libboost_system.so.1.65.1, needed by /opt/ros/melodic/lib/libroscpp.so, not found (try using -rpath or -rpath-link) /opt/ros/melodic/lib/libroscpp.so: undefined reference to boost::system::system_category()’ /opt/ros/melodic/lib/librosconsole.so: undefined reference to boost::re_detail_106501::cpp_regex_traits_implementation::transform_primary[abi:cxx11](char const, char const) const'

Boost Error 5

[Boost Install] How to install Boost package or change Boost version using zip file in local?

Install specific Boost version

[Catkin] Tip for development

Catkin Tips

[Ceres Solver Test Error] cuda_memcheck_dense_~ error

Ceres Solver Error

[Convert] sensor_msgs ↔ cv::Mat

Convert sensor_msgs to cv::Mat

[Cuda] How to find version of Cuda, Cuda Toolkit, and Cudnn?

Find Cuda, Cuda Toolkit, and Cudnn version

[Delaunay Triangulation] For 2D or 3D Mesh Generation

Make basic delaunay triangulation

[evo plot] Plotting package for odometry

Visualization and ATE & RTE calculation package

[Feature Matching: LightGlue] Robust Feature Matching in case of different viewpoints between query image and candidate image (ICCV 2023)

Feature Matching: LightGlue

[Feature Matching: RoMa] Robust Feature Matching in case of different viewpoints between query image and candidate image

Feature Matching: RoMa

[Git LFS] File size exceeds GitHub origin upload size

Git Large File Storage

[Git] Basic Concept and Information

Git Tutorial

[HDF5] How to use h5py for making dataset or database(DB) in python?

HDF5 Database Tutorial

[Histogram Equalization] Improvement of stitching results !!

Histogram Equalization one of Image Filter

[Image Stitching] Direct Image Stitching using Homography

Image Stitching: Direct stitch

[Image Stitching] How to fast panorama stitching using OpenCV API?

Image Stitching: Fast Stitching

[Image Stitching] How to stitch images using RoI masking with OpenCV in c++?

Image Stitching: RoI Masking

[Image Stitching] How to stitch images using opencv library in c++

Image Stitching: Tutorial

[Kalibr] Camera Calibration

Camera intrinsic & extrinsic parameter calculation tool

[Launch file] How to make easy configuration

roslaunch tutorial

[Marching Squares] How to make 2D surface in scalar field?

Understand Marching Squares Algorithm

[Microstrain Inertial Package] How to use including ROS node?

Microstrain IMU Installation

[Multiple camera] How to run multiple intel realsense cameras?

Multiple Camera Configuration

[Multiple camera] How to run multiple intel realsense cameras?

Multiple Camera Configuration

[NeRF-SLAM] Run NeRF-SLAM using own dataset in anaconda environment !

Run NeRF-SLAM using conda env

[Neuralangelo] Run Neuarlangelo using own dataset and extract mesh in anaconda environment ! (CVPR 2023)

Run Neuralangelo using conda env

[NVIDIA Jetson AGX Xavier] cv_bridge error related

NVIDIA Jetson AGX Xavier Error

[NVIDIA Jetson AGX Xavier] Setup NVIDIA Jetson board & Install ROS & Install PyTorch and TorchVision

Setup NVIDIA Jetson AGX Xavier

[OpenCV API] Understand output of makeCameraPose function

Understand cv::viz::makeCameraPose function

[OpenCV Error] Assertion failed ((globalDescIdx>=0) && (globalDescIdx < size())) in getLocalIdx

OpenCV Error 1

[OpenCV Error] Assertion failed (features1.descriptors.type() == features2.descriptors.type()) in function match

OpenCV Error 2

[OpenCV Error] libopencv_~.so.3.2: cannot open shared object file: No such file or directory

OpenCV Error 3

[OpenCV] How to install appropriate OpenCV version?

Install Specific OpenCV Version

[OpenCV] How to make image masking using OpenCV in C++?

OpenCV based Image Masking

[OpenCV Mat Type] What is meaning INT value in cv::Mat type result?

OpenCV Mat Type

[Optitrack] How to use?

Optitrack Motion Capture Tutorial

[PDF Size] How to make small size of pdf in ubuntu

Change PDF Size

[Python] Basic grammar of python

Python Basic

[Realsense Image Quality] We can also change image quality using rqt_reconfigure

RealSense Image Quality

[RealSense package] How to use?

RealSense Installation

[ROS Master] Is it possible to transmit data between nodes even if the ROS master is disconnected?

Understand ROS Master

[ROS1-ROS2 Bridge] How to use ROS1-ROS2 bridge?

ROS1-ROS2 Bridge Tutorial

[ROS2 QoS] Did you know ROS2 communication can improve only changing QoS(Quality of Service) value?

ROS2 Communication Quality

[ROSBOT 2.0] Direct connection between NUC and CORE2 controller

ROSBot 2.0 Motor Connection

[Serial Communication] Communication between NUC and SBC

Serial Communication btw NUC and SBC

[SSH] How to access another computer

Remote Access

[Tensorflow] Compatibility with CUDA tool kit version

Compatibility w/ CUDA toolkit version

[Terminal Color Text] How to put coloured text in Linux terminal?

Terminal Color

[Visualization Tools] Introduction 3D Pointcloud and Mesh Visualization Tools

Visualization Pointcloud and Mesh