sift_compile.m

sift的matlab代码

function sift_compile(type)
% SIFT_COMPILE  Compile MEX files
%   Compiling under Windows requires at least Visual C 6 or LCC. You
%   might try other compilers, but most likely you will need to edit
%   this file.

siftroot = fileparts(which('siftcompile')) ;
opts = { '-O', '-I.', '-g' } ;
%opts = { opts{:}, '-v' } ;

if nargin < 1
    type = 'visualc' ;
end

switch computer
  case 'PCWIN'
    opts = {opts{:}, '-DWINDOWS'} ;
  
  case 'MAC'
    opts = {opts{:}, '-DMACOSX'} ;
    opts = {opts{:}, 'CFLAGS=\$CFLAGS -faltivec'} ;
    
  case 'IMAC'
    opts = {opts{:}, '-DMACOSX'} ;
  
  case 'GLNX86'
    opts = {opts{:}, '-DLINUX' } ;
        
  otherwise
    error(['Unsupported architecture ', computer, '. Please edit this M-mfile to fix the issue.']) ;    
end

mex('imsmooth.c',opts{:}) ;
mex('siftlocalmax.c',opts{:}) ;
mex('siftrefinemx.c',opts{:}) ;
mex('siftormx.c',opts{:}) ;
mex('siftdescriptor.c',opts{:}) ;
mex('siftmatch.c',opts{:}) ;