1、

报错：ERROR [gendeps] 1 Finding dependencies for /home/cc/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/cfg/LSDSLAMViewerParams.cfg

分析：顾名思义，不应该在描述中出现引号（单引号或双引号），可以通过查看错误内容得知需要修改的文件的名称。

解决方法：

1) lsd_slam_viewer/cfg/LSDSLAMViewerParams.cfg 第20行scaledDepthVarTH：单词 point's和keyframe's 中出现了单引号，删除单引号第21行absDepthVarTH：单词 point's 第24行cutFirstNKf：单词 keyframe's

2) lsd_slam_core/cfg/LSDDebugParams.cfg 第11行plotStereoImages：单词 what's 第12行plotTracking：单词 what's 第48行continuousPCOutput：单词 Keyfram's

2、

解决方法：

export LD_LIBRARY_PATH=$LD_LIBARARY_PATH:/usr/local/lib

打开一个新的终端输入：

sudo ldconfig

3、

分析：qt中的qreal表示小数，在Ubuntu14.04中qreal就是float，但是Ubuntu16.04中qreal变为了double。错误中的变量x, y, z的类型是float，getPosition函数的形参类型是qreal，也就是double，所有x, y, z的值会自动转型为double，并存储在一个临时变量中，这会导致getPosition函数的实参变为了右值，但是右值不能初始化非const的引用。

解决方法： 1) lsd_slam_viewer/src/PointCloudViewer.h 第135行：将float x, y, z修改为qreal x, y, z或者double x, y, z 2) lsd_slam_viewer/src/PointCloudViewer.cpp 第325行：将float x, y, z修改为qreal x, y, z或者double x, y, z

4、

分析：这条错误信息可以在文件/opt/ros/kinetic/include/opencv-3.2.0-dev/opencv2/stitching.hpp的58行查看到，信息中已经告诉了如何解决这个问题，即：将这个头文件放到任何X11头文件之前，或者也可以直接将#include "opencv2/opencv.hpp"注释掉

解决方法：将文件lsd_slam_viewer/src/KeyFrameDisplay.cpp的头文件修改为如下顺序：

#include "opencv2/opencv.hpp"

#include <GL/glx.h>

#include <GL/gl.h>

#include <GL/glu.h>

或者

#include <GL/glx.h>

#include <GL/gl.h>

#include <GL/glu.h>

// #include "opencv2/opencv.hpp"/

5、

报错：

main_stitchVideos.cpp:(.text+0xd65c)：对‘cv::imshow(cv::String const&, cv::_InputArray const&)’未定义的引用
main_stitchVideos.cpp:(.text+0xd668)：对‘cv::String::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xd672)：对‘cv::waitKey(int)’未定义的引用
main_stitchVideos.cpp:(.text+0xd715)：对‘cv::fastFree(void*)’未定义的引用
main_stitchVideos.cpp:(.text+0xd7b5)：对‘cv::fastFree(void*)’未定义的引用
main_stitchVideos.cpp:(.text+0xd84d)：对‘cv::fastFree(void*)’未定义的引用
main_stitchVideos.cpp:(.text+0xd8e5)：对‘cv::fastFree(void*)’未定义的引用
main_stitchVideos.cpp:(.text+0xd985)：对‘cv::fastFree(void*)’未定义的引用
CMakeFiles/videoStitch.dir/src/main_stitchVideos.cpp.o:main_stitchVideos.cpp:(.text+0xda25): 跟着更多未定义的参考到 cv::fastFree(void*)
CMakeFiles/videoStitch.dir/src/main_stitchVideos.cpp.o：在函数‘inlayVid(int, char**)’中：
main_stitchVideos.cpp:(.text+0xdeb4)：对‘cv::String::allocate(unsigned long)’未定义的引用
main_stitchVideos.cpp:(.text+0xdedf)：对‘cv::Mat::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xdeec)：对‘cv::Mat::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xdefd)：对‘cv::Mat::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xdf0e)：对‘cv::Mat::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xdf1f)：对‘cv::Mat::deallocate()’未定义的引用
CMakeFiles/videoStitch.dir/src/main_stitchVideos.cpp.o:main_stitchVideos.cpp:(.text+0xdf30): 跟着更多未定义的参考到 cv::Mat::deallocate()
CMakeFiles/videoStitch.dir/src/main_stitchVideos.cpp.o：在函数‘inlayVid(int, char**)’中：
main_stitchVideos.cpp:(.text+0xdfb7)：对‘cv::String::allocate(unsigned long)’未定义的引用
main_stitchVideos.cpp:(.text+0xe212)：对‘cv::String::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xe23e)：对‘cv::String::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xe26e)：对‘cv::String::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xe282)：对‘cv::String::deallocate()’未定义的引用
main_stitchVideos.cpp:(.text+0xe2a6)：对‘cv::String::deallocate()’未定义的引用

lsd_slam_viewer cmakelists修改如下：

find_package(Boost REQUIRED COMPONENTS filesystem system)

include_directories(${Boost_INCLUDE_DIRS})

target_link_libraries(viewer boost_system boost_filesystem)

target_link_libraries(videoStitch boost_system boost_filesystem)

lsd_slam_core cmakelists修改如下：

find_package(Boost REQUIRED COMPONENTS filesystem system)

include_directories(${Boost_INCLUDE_DIRS})

target_link_libraries(lsdslamboost_system boost_filesystem)

target_link_libraries(live_slam boost_system boost_filesystem)

target_link_libraries(dataset_slam lsdslam boost_system boost_filesystem)

注意：应将targe_link放在add_executable之后，不然链接不到库。

6、

lsd_slam_viewer cmakelists修改如下：

cmake_minimum_required(VERSION 2.4.6)
set (OpenCV_DIR "/home/vision1/Downloads/opencv-2.4.8/build") #########

project(lsd_slam_viewer)
include($ENV{ROS_ROOT}/core/rosbuild/rosbuild.cmake)
############################################
find_package(OpenCV REQUIRED)
message(STATUS "OpenCV library status:")
message(STATUS "    version: ${OpenCV_VERSION}")
message(STATUS "    libraries: ${OpenCV_LIBS}")
message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
if(CMAKE_VERSION VERSION_LESS "2.4.6")
# Add OpenCV headers location to your include paths
include_directories(${OpenCV_INCLUDE_DIRS})
endif()
###########################################
# Set the build type. Options are:
# Coverage       : w/ debug symbols, w/o optimization, w/ code-coverage
# Debug          : w/ debug symbols, w/o optimization
# Release        : w/o debug symbols, w/ optimization
# RelWithDebInfo : w/ debug symbols, w/ optimization
# MinSizeRel     : w/o debug symbols, w/ optimization, stripped binaries
set(ROS_BUILD_TYPE Release)

rosbuild_init()

ADD_SUBDIRECTORY(${PROJECT_SOURCE_DIR}/thirdparty/Sophus)

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)

find_package(OpenGL REQUIRED)
set(QT_USE_QTOPENGL TRUE)
set(QT_USE_QTXML TRUE)
find_package(QGLViewer REQUIRED)
find_package(Eigen3 REQUIRED)
include_directories(${QT_INCLUDES} ${EIGEN3_INCLUDE_DIR} ${QGLVIEWER_INCLUDE_DIR})

rosbuild_find_ros_package(dynamic_reconfigure)
include(${dynamic_reconfigure_PACKAGE_PATH}/cmake/cfgbuild.cmake)
gencfg()

# Messages & Services
rosbuild_genmsg()

# SSE flags
rosbuild_check_for_sse()
set(CMAKE_CXX_FLAGS
"${SSE_FLAGS}"
)

# SSE Sources files
set(SOURCE_FILES
src/PointCloudViewer.cpp
src/KeyFrameDisplay.cpp
src/KeyFrameGraphDisplay.cpp
src/settings.cpp
)

set(HEADER_FILES
src/PointCloudViewer.h
src/KeyFrameDisplay.h
src/KeyFrameGraphDisplay.h
src/settings.h
)

include_directories(
${PROJECT_SOURCE_DIR}/thirdparty/Sophus
#${Boost_INCLUDE_DIRS}/usr/lib/x86_64-linux-gnu/libpthread.so
)
rosbuild_add_executable(viewer src/main_viewer.cpp ${SOURCE_FILES} ${HEADER_FILES})
#LIBS =-lpthread
#LIBS +=-lboost_system
#link_libraries("/usr/lib/x86_64-linux-gnu/libboost_system.so" "/usr/lib/x86_64-linux-gnu/libpthread.so")
target_link_libraries(viewer ${QGLViewer_LIBRARIES} ${QT_LIBRARIES} ${QGLVIEWER_LIBRARY} boost_system GL glut GLU)

rosbuild_link_boost(viewer thread)

rosbuild_add_executable(videoStitch src/main_stitchVideos.cpp)
target_link_libraries(videoStitch ${OpenCV_LIBS})
#link_libraries("/usr/lib/x86_64-linux-gnu/libboost_system.so" "/usr/lib/x86_64-linux-gnu/libpthread.so")

lsd_slam_core:

cmake_minimum_required(VERSION 2.8.7)
set (OpenCV_DIR "/home/vision1/Downloads/opencv-2.4.8/build") #########

project(lsd_slam_core)
include($ENV{ROS_ROOT}/core/rosbuild/rosbuild.cmake)

############################################
find_package(OpenCV REQUIRED)
message(STATUS "OpenCV library status:")
message(STATUS "    version: ${OpenCV_VERSION}")
message(STATUS "    libraries: ${OpenCV_LIBS}")
message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
if(CMAKE_VERSION VERSION_LESS "2.8.7")
# Add OpenCV headers location to your include paths
include_directories(${OpenCV_INCLUDE_DIRS})
endif()

# Set the build type. Options are:
# Coverage       : w/ debug symbols, w/o optimization, w/ code-coverage
# Debug          : w/ debug symbols, w/o optimization
# Release        : w/o debug symbols, w/ optimization
# RelWithDebInfo : w/ debug symbols, w/ optimization
# MinSizeRel     : w/o debug symbols, w/ optimization, stripped binaries
set(ROS_BUILD_TYPE Release)

rosbuild_init()

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})

find_package(Eigen3 REQUIRED)
find_package(SuiteParse REQUIRED) # Apparently needed by g2o
find_package(X11 REQUIRED)

# FabMap
# uncomment this part to enable fabmap
#add_subdirectory(${PROJECT_SOURCE_DIR}/thirdparty/openFabMap)
#include_directories(${PROJECT_SOURCE_DIR}/thirdparty/openFabMap/include)
#add_definitions("-DHAVE_FABMAP")
#set(FABMAP_LIB openFABMAP )

# Dynamic Reconfigure Services
rosbuild_find_ros_package(dynamic_reconfigure)
include(${dynamic_reconfigure_PACKAGE_PATH}/cmake/cfgbuild.cmake)
gencfg()

# SSE flags
rosbuild_check_for_sse()
add_definitions("-DUSE_ROS")
add_definitions("-DENABLE_SSE")

# Also add some useful compiler flag
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${SSE_FLAGS} -march=native -std=c++0x"
)

# Set source files
set(lsd_SOURCE_FILES
${PROJECT_SOURCE_DIR}/src/DataStructures/Frame.cpp
${PROJECT_SOURCE_DIR}/src/DataStructures/FramePoseStruct.cpp
${PROJECT_SOURCE_DIR}/src/DataStructures/FrameMemory.cpp
${PROJECT_SOURCE_DIR}/src/SlamSystem.cpp
${PROJECT_SOURCE_DIR}/src/LiveSLAMWrapper.cpp
${PROJECT_SOURCE_DIR}/src/DepthEstimation/DepthMap.cpp
${PROJECT_SOURCE_DIR}/src/DepthEstimation/DepthMapPixelHypothesis.cpp
${PROJECT_SOURCE_DIR}/src/util/globalFuncs.cpp
${PROJECT_SOURCE_DIR}/src/util/SophusUtil.cpp
${PROJECT_SOURCE_DIR}/src/util/settings.cpp
${PROJECT_SOURCE_DIR}/src/util/Undistorter.cpp
${PROJECT_SOURCE_DIR}/src/Tracking/Sim3Tracker.cpp
${PROJECT_SOURCE_DIR}/src/Tracking/Relocalizer.cpp
${PROJECT_SOURCE_DIR}/src/Tracking/SE3Tracker.cpp
${PROJECT_SOURCE_DIR}/src/Tracking/TrackingReference.cpp
${PROJECT_SOURCE_DIR}/src/IOWrapper/Timestamp.cpp
${PROJECT_SOURCE_DIR}/src/GlobalMapping/FabMap.cpp
${PROJECT_SOURCE_DIR}/src/GlobalMapping/KeyFrameGraph.cpp
${PROJECT_SOURCE_DIR}/src/GlobalMapping/g2oTypeSim3Sophus.cpp
${PROJECT_SOURCE_DIR}/src/GlobalMapping/TrackableKeyFrameSearch.cpp
)
set(SOURCE_FILES
${lsd_SOURCE_FILES}
${PROJECT_SOURCE_DIR}/src/IOWrapper/ROS/ROSImageStreamThread.cpp
${PROJECT_SOURCE_DIR}/src/IOWrapper/ROS/ROSOutput3DWrapper.cpp
${PROJECT_SOURCE_DIR}/src/IOWrapper/OpenCV/ImageDisplay_OpenCV.cpp
)

include_directories(
${EIGEN3_INCLUDE_DIR}
${PROJECT_SOURCE_DIR}/src
${PROJECT_SOURCE_DIR}/thirdparty/Sophus
${CSPARSE_INCLUDE_DIR} #Has been set by SuiteParse
${CHOLMOD_INCLUDE_DIR} #Has been set by SuiteParse
${Boost_INCLUDE_DIRS}/usr/lib/x86_64-linux-gnu/libboost_system.so
)

# build shared library.
rosbuild_add_library(lsdslam SHARED ${SOURCE_FILES})
target_link_libraries(lsdslam ${FABMAP_LIB} g2o_core g2o_stuff csparse cxsparse g2o_solver_csparse g2o_csparse_extension g2o_types_sim3 g2o_types_sba X11 boost_system)
rosbuild_link_boost(lsdslam thread)

# build live ros node
rosbuild_add_executable(live_slam src/main_live_odometry.cpp)
target_link_libraries(live_slam lsdslam boost_system ${OpenCV_LIBS})

# build image node
rosbuild_add_executable(dataset_slam src/main_on_images.cpp)
target_link_libraries(dataset_slam lsdslam boost_system ${OpenCV_LIBS})

7、

/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::getOptimalNewCameraMatrix(cv::_InputArray const&, cv::_InputArray const&, cv::Size_<int>, double, cv::Size_<int>, cv::Rect_<int>*, bool)’未定义的引用
/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::waitKey(int)’未定义的引用
/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::namedWindow(cv::String const&, int)’未定义的引用
/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::destroyAllWindows()’未定义的引用
/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::resizeWindow(cv::String const&, int, int)’未定义的引用
/home/bdf/lsd-slam_ws/devel/lib/liblsdslam.so：对‘cv::imshow(cv::String const&, cv::_InputArray const&)’未定义的引用
collect2: error: ld returned 1 exit status

解决：lsd_slam_core/CMakeLists.txt更改

target_link_libraries(live_slam lsdslam boost_system ${OpenCV_LIBS})
# build image node

target_link_libraries(dataset lsdslam boost_system ${OpenCV_LIBS})

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ubuntu16.04安装、编译LSD-SLAM遇到错误及解决

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