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  • 大小: 1.38MB
    文件類型: .rar
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    發(fā)布日期: 2023-09-30
  • 語言: Matlab
  • 標(biāo)簽:

資源簡介

http://blog.csdn.net/photonfly/article/details/52507320

資源截圖

代碼片段和文件信息

function?[CLUTo]=fisheyecorbil(ARratio)%
%----------------------雙線性插值法縮放矩陣或圖像---------------------------
%?Input:
%???????A:圖像變量
%???????R:圖像半徑
%???????ratio:校正圖像與原圖像比率:取3,控制隱射范圍
%?Output:
%???????C:校正后的圖像
%???????LUTo:算得的校正圖像對應(yīng)魚眼圖像像素位置的表格:用于后期在硬件上實(shí)驗(yàn)
%reference:《基于幾何成像模型的魚眼鏡頭圖像校正算法和技術(shù)研究》?機(jī)電工程學(xué)報(bào)
????????
%-------------------------------------------------------------------
????%%%%????Authors:???Tan?xiang?bin
????%%%%????Guilin?University?of?Electronic?Technology?Student
????%%%%????EMAIL:?????125366663@qq.com
????%%%%????DATE:??????16-12-2013
%%
[whd]=size(A);
%?xo=w/2;%中心原點(diǎn)
%?yo=h/2;
xo=638.4;%魚眼圖像中心原點(diǎn)(這個(gè)不變)
yo=640.2;
xc=ratio*w/2;%校正圖中心原點(diǎn)
yc=ratio*h/2;
f=2*R/pi;%焦距計(jì)算
C=zeros(whd);
LUTo=zeros(w*h2);
?index=1;%用作填LUT的參數(shù)
for?u=1:3:ratio*h
????for?v=1:3:ratio*w
????????ho=sqrt((u-xc)^2+(v-yc)^2);%校正圖像距離中心距離
????????if(ho==0)?????????????????%若距離中心距離為0則直接填充魚眼圖像中心像素
????????????C((u-1)/3+1(v-1)/3+11)?=A(6346341);%填充魚眼圖像像素
????????????C((u-1)/3+1(v-1)/3+12)?=A(6346342);
???????????C((u-1)/3+1(v-1)/3+13)?=A(6346343);
????????else
????????????h1=f*atan2(hof);%魚眼圖像上的像高
????????????x=h1*(u-xc)/ho+xo;%對應(yīng)魚眼圖像點(diǎn)坐標(biāo)
????????????y=h1*(v-yc)/ho+yo;
%?????????????x=abs(round(x));%最鄰近插值
%?????????????y=abs(round(y));
????????????x1=floor(x);y1=floor(y);%雙線性插值
????????????u1=x-x1;
????????????v1=y-y1;
????????????C((u-1)/3+1(v-1)/3+11)?=?(1-u1)*(1-v1)*A(x1y11)?+(1-u1)*v1*A(x1y1+11)...
????????????????????+?u1*(1-v1)*A(x1+1y11)?+u1*v1*A(x1+1y1+11);
?????????????C((u-1)/3+1(v-1)/3+12)?=?(1-u1)*(1-v1)*A(x1y12)?+(1-u1)*v1*A(x1y1+12)...
????????????????????+?u1*(1-v1)*A(x1+1y12)?+u1*v1*A(x1+1y1+12);
?????????????C((u-1)/3+1(v-1)/3+13)?=?(1-u1)*(1-v1)*A(x1y13)?+(1-u1)*v1*A(x1y1+13)...
????????????????????+?u1*(1-v1)*A(x1+1y13)?+u1*v1*A(x1+1y1+13);?????
????????????LUTo(index:)=[xy];%將計(jì)算得到的
????????????index=index+1;
????????end
????end
end
C=uint8(C);

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

?????文件???????2186??2016-12-06?17:42??幾何模型校正入門實(shí)驗(yàn)\fisheyecorbil.m

?????文件????????294??2016-12-06?17:43??幾何模型校正入門實(shí)驗(yàn)\readme.txt

?????文件????????126??2016-12-06?17:26??幾何模型校正入門實(shí)驗(yàn)\testscript.m

?????文件????6553654??2016-09-07?11:45??幾何模型校正入門實(shí)驗(yàn)\wanglinrong.bmp

?????文件????1106917??2016-09-07?10:07??幾何模型校正入門實(shí)驗(yàn)\參考論文\基于幾何成像模型的魚眼鏡頭圖像校正算法和技術(shù)研究_李根.pdf

?????目錄??????????0??2016-12-06?17:44??幾何模型校正入門實(shí)驗(yàn)\參考論文

?????目錄??????????0??2016-12-06?17:43??幾何模型校正入門實(shí)驗(yàn)

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

??????????????7663177????????????????????7


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