91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

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    發布日期: 2021-05-27
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sift圖像匹配

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代碼片段和文件信息


/*?AreaFilter.cs
?*
?*?Area?maximizing?match?filtration?using?convex?hull?and?polygon-area
?*?maximization.
?*
?*?(C)?Copyright?2004?--?Sebastian?Nowozin?(nowozin@cs.tu-berlin.de)
?*
?*?Convex?hull?code?based?on?Ken?Clarksons?original?C?implementation.
?*?Polygon?area?formula?by?Paul?Bourke.
?*/

using?System;
using?System.Collections;


public?class
AreaFilter
{

public?static?void?Main?(string[]?args)
{
ArrayList?al?=?new?ArrayList?();
Random?rnd?=?new?Random?();

for?(int?n?=?0?;?n? Point?p?=?new?Point?();

p.x?=?rnd.NextDouble?()?*?400.0;
p.y?=?rnd.NextDouble?()?*?400.0;

al.Add?(p);
}
foreach?(Point?p?in?al)
Console.WriteLine?(“{0}?{1}?#?GNUPLOT1“?p.x?p.y);

AreaFilter?conv?=?new?AreaFilter?();
ArrayList?hull?=?conv.CreateConvexHull?(al);

Console.WriteLine?(“\nhull:?{0}?elements“?hull.Count);
foreach?(Point?p?in?hull)
Console.WriteLine?(“{0}?{1}?#?GNUPLOT2“?p.x?p.y);

Console.WriteLine?(“\npolygon?area:?{0}“?conv.PolygonArea?(hull));
}

public?class?Point
{
public?double?x?y;
public?object?user?=?null; //?Store?anything?for?the?user
}

//?Measure?the?absolute?area?of?a?non?self-intersecting?polygon.
//?Formula?by?Paul?Bourke
//?(http://astronomy.swin.edu.au/~pbourke/geometry/polyarea/)
//
//?The?input?points?must?be?ordered?(clock-?or?counter-clockwise).?The
//?polygon?is?closed?automatically?between?the?first?and?the?last?point
//?so?there?should?not?be?two?same?points?in?the?polygon?point?set.
public?double?PolygonArea?(ArrayList?orderedPoints)
{
double?A?=?0.0;

for?(int?n?=?0?;?n? Point?p0?=?(Point)?orderedPoints[n];
Point?p1?=?(Point)?orderedPoints[(n?+?1)?%?orderedPoints.Count];

A?+=?p0.x?*?p1.y?-?p1.x?*?p0.y;
}

A?*=?0.5;

return?(Math.Abs?(A));
}

//?Create?the?convex?hull?of?a?point?set.
public?ArrayList?CreateConvexHull?(ArrayList?points)
{
return?(CreateConvexHull?((Point[])?points.ToArray?(typeof?(Point))));
}

public?ArrayList?CreateConvexHull?(Point[]?points)
{
int?chn?=?CreateHull?(points);

ArrayList?hull?=?new?ArrayList?();
for?(int?k?=?0?;?k? hull.Add?(points[k]);

return?(hull);
}

public?class?CompareLow?:?IComparer?{
public?int?Compare?(object?o1?object?o2)
{
Point?p1?=?(Point)?o1;
Point?p2?=?(Point)?o2;

double?v?=?p1.x?-?p2.x;
if?(v?>?0)
return?(1);
if?(v? return?(-1);

v?=?p2.y?-?p1.y;
if?(v?>?0)
return?(1);
if?(v? return?(-1);

//?Equal?point
return?(0);
}
}

public?class?CompareHigh?:?IComparer?{
CompareLow?cl;

public?CompareHigh?()
{
cl?=?new?CompareLow?();
}

public?int?Compare?(object?o1?object?o2)
{
return?(cl.Compare?(o2?o1));
}
}


private?bool?ccw?(Point[]?points?int?i?int?j?int?k)
{
double?a?=?points[i].x?-?points[j].x;
double?b?=?points[i].y?-?points[j].y;
double?c?=?points[k].x?-?points[j].x;
double?d?=?points[k].y?-?points[j].y;

return?((a?*?d

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????118784??2004-09-23?23:00??libsift-1.5\libsift-1.5\bin\ICSharpCode.SharpZipLib.dll

?????文件?????129024??2004-09-23?23:00??libsift-1.5\libsift-1.5\bin\libsift.dll

?????文件???????2337??2004-09-23?23:00??libsift-1.5\libsift-1.5\LICENSE

?????文件???????2380??2004-09-23?23:00??libsift-1.5\libsift-1.5\README

?????文件???????4225??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\AreaFilter.cs

?????文件??????11074??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\BondBall.cs

?????文件???????1448??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\distmetrictest.cs

?????文件???????3899??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\GaussianConvolution.cs

?????文件???????4236??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\ImageMap.cs

?????文件???????7058??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\ImageMatchModel.cs

?????文件??????17471??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\KDTree.cs

?????文件???????4769??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\Keypointxml.cs

?????文件???????6959??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\LoweDetector.cs

?????文件???????3053??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\Makefile

?????文件??????26267??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\MatchKeys.cs

?????文件???????4484??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\RANSAC.cs

?????文件??????42026??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\ScaleSpace.cs

?????文件???????4917??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\SimpleMatrix.cs

?????文件????????765??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\TODO

?????文件???????4563??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\Transform.cs

?????文件??????????4??2004-09-23?23:00??libsift-1.5\libsift-1.5\src\VERSION

?????文件?????145100??2006-10-18?22:03??libsift-1.5\libsift-1.5.rar

?????目錄??????????0??2006-10-18?22:03??libsift-1.5\libsift-1.5\bin

?????目錄??????????0??2006-10-18?22:03??libsift-1.5\libsift-1.5\src

?????目錄??????????0??2006-10-18?22:03??libsift-1.5\libsift-1.5

?????目錄??????????0??2006-10-18?22:03??libsift-1.5

-----------?---------??----------?-----??----

???????????????545061????????????????????27


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