[Valentino Heman Budiarto] 1fa1fa8260 1
2025-12-18 20:26:05 +07:00

57 lines
1.3 KiB
Matlab

function test()
% The test function gives an example of keypoint extraction using the
% methods :
% - Harris
% - SUSAN
% - LoG (Laplacian of Gaussian)
% - Harris-Laplace
% - Gilles
%
% Example
% =======
% test();
% Harris
img = imread('test.pgm');
pt = kp_harris(img);
draw(img,pt,'Harris');
% SUSAN
img = imread('test.pgm');
pt = kp_susan(img);
draw(img,pt,'SUSAN');
% LoG Lindeberg
img = imread('sunflower.jpg');
pt = kp_log(rgb2gray(img));
draw(img,pt,'LoG Lindeberg');
% Harris-Laplace
img = imread('door.jpg');
pt = kp_harrislaplace(rgb2gray(img));
draw(img,pt,'Harris Laplace');
% Gilles
img = imread('patrol.jpg');
pt = kp_gilles(rgb2gray(img));
draw(img,pt,'Gilles');
end
function draw(img,pt,str)
figure('Name',str);
imshow(img);
hold on;
axis off;
switch size(pt,2)
case 2
s = 2;
for i=1:size(pt,1)
rectangle('Position',[pt(i,2)-s,pt(i,1)-s,2*s,2*s],'Curvature',[0 0],'EdgeColor','b','LineWidth',2);
end
case 3
for i=1:size(pt,1)
rectangle('Position',[pt(i,2)-pt(i,3),pt(i,1)-pt(i,3),2*pt(i,3),2*pt(i,3)],'Curvature',[1,1],'EdgeColor','w','LineWidth',2);
end
end
end