VLFeat - Download > Using from Octave

# VLFeat.org

Download> Using from Octave

This page shows how to compile VLFeat MEX files for usage in GNU Octave (tested on version 3.6.4).

Make sure that the ``image toolbox is installed in Octave. This can be obtained, for example, by using the ``pkg builtin Octave command:

    >> pkg install image

Unpack VLFeat and use the Makefile to compile the MEX files. To instruct the Makefile to target Octave as well, specify the path to the ``mkoctfile command. For example, if ``mkoctfile is in your current path and VLFeat is unpacked in ``VLFEATROOT, the following should work:

    > cd VLFEATROOT
    > MKOCTFILE=mkoctfile make

After the MEX files are successfully compiled (look for them into ``toolbox/mex/octave/), you can start using VLFeat in Octave in the same way as MATLAB. Do not forget to use the `` vl_setup command to initalize the paths:

    octave:1> addpath VLFEATROOT/toolbox
    octave:2> vl_setup
    octave:3> vl_version verbose
    VLFeat version 0.9.17
        Static config: X64, little_endian, GNU C 40201 LP64, POSIX_threads, SSE2, OpenMP
        4 CPU(s): GenuineIntel MMX SSE SSE2 SSE3 SSE41 SSE42
        OpenMP: max threads: 4 (library: 4)
        Debug: yes
        SIMD enabled: yes