• caffe—ssd安装教程


    环境:

    ubuntu16.04 cuda8.0 cudnn5.0

    已安装过caffe1.0 tensorflow1.2

     编辑过程中出现问题尽量到这里面搜一下:https://github.com/BVLC/caffe/issues

    教程 https://github.com/weiliu89/caffe/tree/ssd 

    Installation

    1. Get the code. We will call the directory that you cloned Caffe into $CAFFE_ROOT
    git clone https://github.com/weiliu89/caffe.git
    cd caffe
    git checkout ssd
    1. Build the code. Please follow Caffe instruction to install all necessary packages and build it.
    # Modify Makefile.config according to your Caffe installation.
    cp Makefile.config.example Makefile.config
    make -j8
    # Make sure to include $CAFFE_ROOT/python to your PYTHONPATH.
    make py
    make test -j8
    # (Optional)
    make runtest -j8

    问题:此处参考了别的教程使用了make all -j8出现问题(一定看官方教程)问题描述:
    This file was generated by an older version of protoc which is incompatible with your Protocol Buffer headers. Please regenerate this file with a newer version of protoc.

    原因是系统中装tensorflow时装有了多个版本的protobuf,造成版本冲突。将protobuf卸载后,按照此教程重新安装https://www.cnblogs.com/luoxn28/p/5303517.html

      tar -xvf protobuf
    
      cd protobuf
    
      ./configure --prefix=/usr/local/protobuf
    
      make
    
      make check
    
      make install

    按照上边的还有问题,加上这部分

    去https://developers.google.com/protocol-buffers/docs/downloads下载*.tar.tz压缩包,解压,
    命令行进入解压后目录,依次执行如下 
    ./configure 
    make
    创建文件 /etc/ld.so.conf.d/libprotobuf.conf 写入内容:/usr/local/lib 
    输入命令 sudo ldconfig 
    注:protobuf的默认安装路径是/usr/local/lib,而/usr/local/lib 不在Ubuntu体系默认的 LD_LIBRARY_PATH 里,后面install找不到该lib
    
    然后sudo make install
    
    安装后,输入protoc --version 验证是否安装成功

    如果还有问题,参考:https://my.oschina.net/ifraincoat/blog/406339

    然后输入protoc --version查看是否安装成功,报错:protoc: error while loading shared libraries: libprotoc.so.8: cannot open shared object file: No such file or directory

    解决办法: export LD_LIBRARY_PATH=/usr/local/lib/      (这个可能需要写到环境变量里,否则会不会下次启动就不能用了)

    装完一定要清理一下,一定要清理一下!! make clean!!!
     
    继续编译,出现问题 ./include/caffe/util/hdf5.hpp:6:10: fatal error: hdf5.h: No such file or directory #include "hdf5.h 
    解决方式
    install libhdf5-dev
    
    add patch to libhdf5 in Makefile.config.
    
    example: INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/include /usr/include/hdf5/serial/

    参考:https://askubuntu.com/questions/629654/building-caffe-failed-to-see-hdf5-h

    继续编译,新的问题gcc版本过高, /usr/local/cuda/include/host_config.h:119:2: error: #error -- unsupported GNU version! gcc versions 

    解决方案:降低gcc与g++版本到5,参考https://blog.csdn.net/qq_31175231/article/details/77774971

    gcc --verison查看gcc
    (2)设置gcc的默认版本
    设置之前可以先输入命令ls /usr/bin/gcc* 查看gcc 4.8版本是否安装成功
    然后输入下面的命令设置默认版本:
    sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100
    最后的数字为优先级(越大越高),因为只有一个4.8版本作为alternatives,可以不要纠结数字,这样设就行了
    (3)然后可以输入以下命令查看设置结果(非必须)
    sudo update-alternatives --config gcc
    因为只设置了一个,所以显示结果为:"链接组 gcc (提供 /usr/bin/gcc)中只有一个候选项:/usr/bin/gcc-4.8
    无需配置.",如果有多个则会显示一个按优先级的列表.
    (4)最后再次输入命令gcc -version查看gcc的版本已经变成4.8啦...就成功啦.
    现在默认版本已经是4.8版本,如果想用6.2版本,则gcc-6.2 这样指定就好啦
    g++ 等其他软件也是这样设置进行版本升级/降级.
    
    ps:
    
    (1)当以上设置不需要的时候输入以下命令删除:
    
    sudo update-alternatives --remove gcc /usr/bin/gcc-4.8
    --------------------- 
    作者:帝江VII 
    来源:CSDN 
    原文:https://blog.csdn.net/qq_31175231/article/details/77774971 
    版权声明:本文为博主原创文章,转载请附上博文链接!
    View Code

    继续编译,出现问题

    /usr/bin/ld: cannot find -lopencv_imgcodecs 
    /usr/bin/ld: cannot find -lopencv_videoio 
    collect2: error: ld returned 1 exit status 
    Makefile:566: recipe for target ‘.build_release/lib/libcaffe.so.1.0.0-rc3’ failed 
    make: * [.build_release/lib/libcaffe.so.1.0.0-rc3] Error 1

    首先更新Makefile,不知道管没管用,参考https://blog.csdn.net/sunshinezhihuo/article/details/79427093

    然后修改Makefile 文件(注意不是)Makefile.config 将里面的 LIBRARIES += glog gflags
    protobuf boost_system boost_filesystem m hdf5_hl hdf5

    改为LIBRARIES += glog gflags protobuf boost_system boost_filesystem m
    hdf5_serial_hl hdf5_serial
    然后还是原问题,根据https://github.com/BVLC/caffe/issues/5308安装库

    Did you apt-get install libopenblas-base libopenblas-dev ?

    继续编译,出现问题: .build_release/lib/libcaffe.so: undefined reference to `cv::VideoCapture::set(int, double)' .build_r 

    solution:
    
    add "opencv_imgcodecs" in Makefile.(LIBRARIES += glog gflags protobuf leveldb snappy 
    lmdb boost_system hdf5_hl hdf5 m 
    opencv_core opencv_highgui opencv_imgproc opencv_imgcodecs)
    If you input "make all",the problem is the same again.But if you delete all the file in build(rm -rf ./build/*) before "make all"(I use make clean ),you will success.I just success
    
    github 讨论帖:https://github.com/BVLC/caffe/issues/2348
    参考链接:https://www.douban.com/note/568788483/
    View Code

     另外opencv_videoio也要加上。

    继续编译新问题出现 .build_release/lib/libcaffe.so: undefined reference to `boost::filesystem::detail::status(boost::fil 

    解决方式:再加一个库boost_filesystem

    第一步编译成功

    二:make py

    问题:

    python/caffe/_caffe.cpp:10:31: fatal error: numpy/arrayobject.h: No such file or directory
    compilation terminated.
    Makefile:501: recipe for target 'python/caffe/_caffe.so' failed
    make: *** [python/caffe/_caffe.so] Error 1

    解决方式:

    如果还是不行,可以试试:
    
    
    import numpy as np
    np.get_include()
    得到:
    /usr/local/lib/python2.7/dist-packages/numpy/core/include
    
    在Makefile.config找到PYTHON_INCLUDE,发现有点不同:
    
    PYTHON_INCLUDE := /usr/include/python2.7 
            /usr/lib/python2.7/dist-packages/numpy/core/include
    
    要加一个local,变成: 
    
    PYTHON_INCLUDE := /usr/include/python2.7 
            /usr/local/lib/python2.7/dist-packages/numpy/core/include
    再make pycaffe就ok了
    View Code

    参考:https://blog.csdn.net/wuzuyu365/article/details/52430657

    三:

    不要随便make clean 否则会出现 make: .build_release/tools/caffe: Command not found 

    解决方式:make all 参考:https://blog.csdn.net/xunan003/article/details/72997028

    问题: Makefile:526: recipe for target 'runtest' failed make: *** [runtest] Segmentation fault 

    解决方案:sf@ubuntu:~/caffe$ export MKL_CBWR=AUTO

    不要make clean,然后重新make runtest

    这个问题没有解决,但是看网上资料说这个不用全部运行成功也可以,就没有继续调试

    然后在python环境下imoprt python,报错 ImportError: No module named caffe 

    solution:

    A.把环境变量路径放到 ~/.bashrc文件中,打开文件
    sudo vim ~/.bashrc 
    
    在文件下方写入
    export PYTHONPATH=~/caffe/python:$PYTHONPATH
    
    上述语句中 “~” 号表示caffe 所在的根目录。
    
    
    B.关闭文件,在终端写入下面语句,使环境变量生效
    source ~/.bashrc
    --------------------- 
    作者:修炼打怪的小乌龟 
    来源:CSDN 
    原文:https://blog.csdn.net/u010417185/article/details/53559107 
    版权声明:本文为博主原创文章,转载请附上博文链接!
    View Code

    继续import,报错 ImportError: No module named google.protobuf.internal 

    solution: sudo pip install protobuf 

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  • 原文地址:https://www.cnblogs.com/vactor/p/9803134.html
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