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  • 大小: 4KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-06-17
  • 語言: Matlab
  • 標(biāo)簽: DLT??MATLAB??

資源簡介

DLT(直接線性變換 )算法的MATLAB實(shí)現(xiàn),內(nèi)容包括算法代碼及三組測試數(shù)據(jù)

資源截圖

代碼片段和文件信息

function?[?Lx0y0]?=?Computer_L(?Points?)
%功能:計(jì)算L系數(shù)的近似值和精確值
%輸入:Points為控制點(diǎn)的像點(diǎn)坐標(biāo)及物方坐標(biāo)
??????%格式為:點(diǎn)號?x?y?X?Y?Z
%輸出:L系數(shù)的精確值,像主點(diǎn)坐標(biāo)想x0y0

%計(jì)算L系數(shù)近似值
X=zeros(2*size(Points1)11);
B=zeros(2*size(Points1)1);
for?i=1:size(Points1);
????X(2*i-11:3)=Points(i4:6);
????X(2*i-14)=1;
????X(2*i-19:11)=Points(i2)*Points(i4:6);
????X(2*i5:8)=X(2*i-11:4);
????X(2*i9:11)=Points(i3)*Points(i4:6);
????B(2*i-11)=Points(i2);
????B(2*i1)=Points(i3);
end
L=X(1:11:)\(-B(1:111));
%計(jì)算像主點(diǎn)近似值x0y0
x0=-(L(1)*L(9)+L(2)*L(10)+L(3)*L(11))/(L(9)*L(9)+L(10)*L(10)+L(11)*L(11));
y0=-(L(5)*L(9)+L(6)*L(10)+L(7)*L(11))/(L(9)*L(9)+L(10)*L(10)+L(11)*L(11));
%計(jì)算L系數(shù)精確值
M=zeros(2*size(Points1)12);
W=zeros(2*size(Points1)1);
n=0;???????????????????????????%迭代次數(shù)統(tǒng)計(jì)
while?n<10;???%L迭代次數(shù)為10
????for?i=1:6;
????????A=L(9)*Points(i4)+L(10)*Points(i5)+L(11)*Points(i6)+1;
????????M(2*i-11:4)=[Points(i4:6)?1]/A;
????????M(2*i-19:11)=Points(i2)*?M(2*i-11:3);
????????R=(Points(i2)-x0)^2+(Points(i3)-y0)^2;
????????M(2*i-112)=(Points(i2)-x0)*R;
????????M(2*i5:8)=M(2*i-11:4);
????????M(2*i9:11)=Points(i3)*?M(2*i-11:3);
????????M(2*i12)=(Points(i3)-y0)*R;
????????W(2*i-11)=Points(i2)/A;
????????W(2*i1)=Points(i3)/A;
????end
????M=-M;
????L=(M‘*M)\M‘*W;
????x0=-(L(1)*L(9)+L(2)*L(10)+L(3)*L(11))/(L(9)*L(9)+L(10)*L(10)+L(11)*L(11));
????y0=-(L(5)*L(9)+L(6)*L(10)+L(7)*L(11))/(L(9)*L(9)+L(10)*L(10)+L(11)*L(11));
????n=n+1;
end
end


?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1570??2018-06-12?19:25??DLT的MATLAB實(shí)現(xiàn)\Computer_L.m

?????文件???????3492??2018-06-12?19:37??DLT的MATLAB實(shí)現(xiàn)\Computer_UnknownPoint.m

?????文件????????311??2018-06-27?22:54??DLT的MATLAB實(shí)現(xiàn)\DLT.m

?????文件????????330??2018-06-12?21:59??DLT的MATLAB實(shí)現(xiàn)\left_ran2.txt

?????文件????????328??2018-06-12?18:30??DLT的MATLAB實(shí)現(xiàn)\right_ran2.txt

?????文件????????499??2018-06-12?12:44??DLT的MATLAB實(shí)現(xiàn)\test1.txt

?????文件???????1466??2018-06-12?22:51??DLT的MATLAB實(shí)現(xiàn)\test2.txt

?????文件???????1883??2018-06-12?19:02??DLT的MATLAB實(shí)現(xiàn)\test3.txt

?????目錄??????????0??2019-02-26?17:47??DLT的MATLAB實(shí)現(xiàn)

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?????????????????9879????????????????????9


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