資源簡介
SURF論文及其源碼,詳細介紹了SURF的算法步驟和原理,

代碼片段和文件信息
/*
?*?Speeded-Up?Robust?Features?(SURF)
?*?http://people.ee.ethz.ch/~surf
?*
?*?Authors:?Herbert?Bay?Andreas?Ess?Geert?Willems
?*?Windows?port?by?Stefan?Saur
?*
?*?Copyright?(2006):?ETH?Zurich?Switzerland
?*?Katholieke?Universiteit?Leuven?Belgium
?*?All?rights?reserved.
?*
?*?For?details?see?the?paper:
?*?Herbert?Bay??Tinne?Tuytelaars??Luc?Van?Gool
?*??“SURF:?Speeded?Up?Robust?Features“
?*?Proceedings?of?the?ninth?European?Conference?on?Computer?Vision?May?2006
?*
?*?Permission?to?use?copy?modify?and?distribute?this?software?and
?*?its?documentation?for?educational?research?and?non-commercial
?*?purposes?without?fee?and?without?a?signed?licensing?agreement?is
?*?hereby?granted?provided?that?the?above?copyright?notice?and?this
?*?paragraph?appear?in?all?copies?modifications?and?distributions.
?*
?*?Any?commercial?use?or?any?redistribution?of?this?software
?*?requires?a?license?from?one?of?the?above?mentioned?establishments.
?*
?*?For?further?details?contact?Andreas?Ess?(aess@vision.ee.ethz.ch).
?*/
#include?
#include?
#include?“imload.h“
#include?“image.h“
namespace?surf?{
#define?MAX(xy)??(((x)?>?(y))???(x)?:?(y))
#define?MIN(xy)??(((x)?(y))???(x)?:?(y))
#define?ABS(x)????(((x)?>?0)???(x)?:?(-(x)))
using?namespace?std;
void?ignoreComments(ifstream&?imfile)?{
??char?c;
??do?{
????imfile?>>?c;
??}?while?(c?==?‘?‘);
??imfile.putback(c);
??imfile?>>?c;
??while?(c?==?‘#‘)?{
????imfile.ignore(256?‘\n‘);
????imfile?>>?c;
??}
??imfile.putback(c);
}
Image?*ImLoad::readImage(const?char?*fn){
??ifstream?imfile(fn?ios::binary);
??if?(!imfile.is_open())?{
????cerr?<“Sorry?could?not?open:?“?<????exit(0);
??}
??//?Reading?file?header
??char?P;
??char?num;
??imfile?>>?P?>>?num;?
??ignoreComments(imfile);
??//?Read?image?dimensions?and?extremum?value
??int?width?height?extr;
??imfile?>>?width;
??ignoreComments(imfile);
??imfile?>>?height;
??ignoreComments(imfile);
??imfile?>>?extr;
??//?Check?whether?the?file?is?OK
??if?(P?!=?‘P‘?||?num?!=?‘5‘?||
??????width?<=?0?||?height?<=?0?||
??????extr?>?255)?{
????cerr?<“Input?image?has?to?be?PGM?format“?<????exit(0);
??}
??//?Get?the?image?intensities?and?normalise?to?0?-?1.
??imfile.get();
??Image?*im?=?new?Image(width?height);
??for?(int?y?=?0;?y?????for?(int?x?=?0;?x???????im->setPix(x?y?((double)?imfile.get())?/?extr);
??return?im;
}
void?ImLoad::saveImage(const?char?*fn?Image?*im)?{
??ofstream?imfile(fn?ios::binary);
??if?(!imfile.is_open())?{
????cerr?<“Sorry?could?not?open:?“?<????exit(0);
??}
??imfile?<“P5“?<??imfile?<getWidth()?<“?“?<getHeight()?<“?255“?<??for?(int?y?=?0;?y?getHeight();?y++)
????for?(int?x?=?0;?x?getWidth();?x++)
??????imfile.put((unsigned?char)(im->getPix(x?y)?*?255));
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????723370??2008-12-20?22:38??surf\SURF?Speeded?Up?Robust?Features.pdf
?????文件???????1314??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\CHANGES
?????文件???????3028??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\fasthessian.h
?????文件???????2805??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\image.h
?????文件???????2966??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\imload.cpp
?????文件???????1248??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\imload.h
?????文件???????1650??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\ipoint.h
?????文件?????310376??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\libSurf.a
?????文件?????269068??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\libSurf.so
?????文件????????832??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\LICENSE
?????文件???????9860??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\main.cpp
?????文件???????1151??2006-12-20?16:39??surf\SURF-V1.0.9\SURF-V1.0.9\Makefile
?????文件???????7323??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\match.cpp
?????文件???????1627??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\os_mapping.cpp
?????文件???????1512??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\os_mapping.h
?????文件?????531142??2006-12-20?16:39??surf\SURF-V1.0.9\SURF-V1.0.9\out.surf
?????文件???????1449??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\README
?????文件???????2866??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\surf.h
?????文件????3764310??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\surf.ln
?????文件???????4551??2006-12-20?17:28??surf\SURF-V1.0.9\SURF-V1.0.9\surflib.h
?????文件????2592902??2008-12-21?12:27??surf\surf.pdf
?????目錄??????????0??2008-12-30?11:57??surf\SURF-V1.0.9\SURF-V1.0.9
?????目錄??????????0??2008-12-30?11:57??surf\SURF-V1.0.9
?????目錄??????????0??2008-12-30?11:58??surf
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??????????????8235350????????????????????24
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