rec.m ( File view )

  • By zhengzou 2014-05-09
  • View(s):31
  • Download(s):12
  • Point(s): 2
			f = imread('C:\Documents and Settings\Administrator\桌面\校正\080.bmp');
data = double(f);
[M N] = size(f);
figure(1);imshow(f);

x = [106 117 131 148 168 190 215 247 282 320 360 400 437 472 502 527 549 567 583]-360;
y = 288 - [121 112 100 86   73  60  48  36  27  22  20  22  29  39  50 62  75  86  98];
% x =     [77  85  92  104 118 137 162 195 239 295 359 421 477 520 551 576 595 609 621]-360;
% y = 288-[224 219 214 206 198 189 178 167 155 146 144 146 155 164 174 184 192 200 205];
[MM NN] = size(x);
%R=288;A=360;B=288;
[R,A,B] = fitellipse(x,y); 

%figure;
%hold on;
%plot(x,y)
%x_circ = -360:360;
%y_circ = ( R.^2 - (x_circ-A).^2 ).^0.5 + B;
%plot(x_circ,y_circ);


%R1=380;
z = R/2-110;
data_then = zeros(M,N);
%a=665;b=198;h=62;
 %x0=360;y0=288;
for i = 1:M   %纵坐标
   for j = 1:N %横坐标
        x = j - 360;  %坐标转换
        y = 288 - i;
       
%          u =R*x*( (z*z+x*x+y*y).^0.5-z )/(x*x+y*y);
%         
%         v =R*y*( (z*z+x*x+y*y).^0.5-z )/(x*x+y*y);
%       
        %u1=(u-b/2)*b*h/(a*h+(b-a)*v)+b/2;
        
        u = 22/21*R*x*( (z*z+x*x+y*y).^0.5-z )/(x*x+y*y);
        v =23/21* R*y*( (z*z+x*x+y*y).^0.5-z )/(x*x+y*y);
%         
        %u=(x-x0)*(R.^2-(y-y0)^2)^0.5/R+x0;
       % v=y;
        
        i_index = 288 - v;
        j_index = 360 + u;
        
        i_index = uint32(i_index);
        j_index = uint32(j_index);
        
        if(i_index<1 || i_index>576 ||j_index<1|| j_index>720)
            data_then(i,j) = 0;
        else
            data_then(i,j) = data(i_index,j_index);
        end
   end
end
 

figure(2);imshow(uint8(data_then));

 data_then_1=zeros(576,576);

for g=1:576
    for k=1:576 
        i_index1=g;                               
        j_index1=k+16;
    if(i_index1<1 || i_index1>576 ||j_index1<1|| j_index1>576)
            data_then_1(g,k) = 0;
   else
            data_then_1(g,k) = data(i_index1,j_index1);
        end
   end
end     
figure(3);imshow(data_then_1);

% point_1=[727,1009];
% point_2=[64,1185];

point_1=[226,238];
point_2=[36,346];



%计算摄像机与地面相对空间位置
size_image=size(data_then_1);
center=size_image./2;
co_1=[size_image(1)-point_1(1),point_1(2)];
co_2=[size_image(1)-point_2(1),point_2(2)];
up_le
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Tips: You can preview the content of files by clicking file names^_^
Name Size Date
060-1.fig270.39 kB01-08-12|10:26
060.bmp406.05 kB18-07-12|09:51
060.fig261.75 kB01-08-12|09:39
080.bmp406.05 kB18-07-12|09:51
090l.bmp406.05 kB18-07-12|09:51
090r.bmp406.05 kB18-07-12|09:51
090r.fig277.17 kB01-08-12|09:34
90.bmp406.05 kB20-07-12|16:14
circ.m533.00 B30-07-12|15:32
correct_image_061g.bmp3.82 MB01-08-12|19:52
fitellipse.m3.13 kB28-07-12|22:38
markpoint.m621.00 B01-08-12|09:57
rec.asv3.29 kB04-08-12|10:40
rec.m3.32 kB04-08-12|11:16
rec2.asv2.02 kB01-08-12|15:54
rec2.m2.02 kB01-08-12|15:55
shiyan5.m3.69 kB27-07-12|15:30
test.asv1.59 kB01-08-12|11:04
test.m1.63 kB01-08-12|16:43
test2.asv3.92 kB01-08-12|10:09
Thumbs.db36.00 kB18-07-12|09:51
trapezial_correction-wrong.m1.50 kB02-08-12|16:59
trapezial_correction.asv3.23 kB02-08-12|17:23
trapezial_correction.m1.66 kB04-08-12|10:09
Untitled.m1.45 kB26-07-12|20:43
Untitled3.m3.98 kB25-07-12|15:44
Untitled5.m3.75 kB23-07-12|08:58
Untitled6.m3.82 kB23-07-12|15:35
截图.jpg125.80 kB29-07-12|20:25
校正0.00 B09-04-13|09:07
...
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rec.m (3.14 MB)

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