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    文件類型: .zip
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    發(fā)布日期: 2021-06-12
  • 語言: 其他
  • 標(biāo)簽: DLT??

資源簡介

直接線性變換,從掃描坐標(biāo)系到物方空間點(diǎn)直接的線性變換。有11參數(shù)l的初值計(jì)算,也有多個(gè)控制點(diǎn)的迭代計(jì)算,相機(jī)畸變參數(shù)也考慮進(jìn)去。利用直接線性變換可以達(dá)到mm級(jí)精度,若是用DLT得到的初值,進(jìn)行光束法平差,可以期待得到更高的精度。

資源截圖

代碼片段和文件信息

function?[fl1fl2fl3fl4fl5fl6fl7fl8fl9fl10fl11]=l__xishu__chuzhi(a1b1c1a2b2c2a3b3c3a4b4c4a5b5c5a6b6c6...
??????????????????????????????????????????????????????????????????????????xa1xb1xa2xb2xa3xb3xa4xb4xa5xb5xa6xb6)
%?計(jì)算l初值函數(shù),左邊輸出11參數(shù),右邊,前6個(gè)對(duì)應(yīng)地面空間坐標(biāo),后面x--像平面坐標(biāo)
%?1?求B陣
B=[a1b1c110000xa1*a1xa1*b1xa1*c1;...
???0000a1b1c11xb1*a1xb1*b1xb1*c1;...
???a2b2c210000xa2*a2xa2*b2xa2*c2;...
???0000a2b2c21xb2*a2xb2*b2xb2*c2;...
???a3b3c310000xa3*a3xa3*b3xa3*c3;...
???0000a3b3c31xb3*a3xb3*b3xb3*c3;...
???a4b4c410000xa4*a4xa4*b4xa4*c4;...
???0000a4b4c41xb4*a4xb4*b4xb4*c4;...
???a5b5c510000xa5*a5xa5*b5xa5*c5;...
???0000a5b5c51xb5*a5xb5*b5xb5*c5;...
???a6b6c610000xa6*a6xa6*b6xa6*c6];?%小心,只需11個(gè)方程,舍去一個(gè)!
P=[xa1xb1xa2xb2xa3xb3xa4xb4xa5xb5xa6]‘;
ff=inv(B)*(-P);
fl1=ff(1);
fl2=ff(2);
fl3=ff(3);
fl4=ff(4);
fl5=ff(5);
fl6=ff(6);
fl7=ff(7);
fl8=ff(8);
fl9=ff(9);
fl10=ff(10);
fl11=ff(11);
kkk=0;
end










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?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-12-03?16:09??DLT變換matlab\
?????文件????????1182??2012-12-02?21:03??DLT變換matlab\l__xishu__chuzhi.m
?????文件????????6065??2012-12-03?12:42??DLT變換matlab\l__xishu__diedai.m

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