基于 Harris 角点的图像拼接技术(MATLAB 源代码)
clc
clear all
% 读入图片
pic1=imread('lena1.jpg');
pic2=imread('lena2.jpg');
% Harris 角点检测
points1=myHarris(pic1);
points2=myHarris(pic2);
% 画出 Harris 角点
figure(1)
drawHarrisCorner(pic1,points1,pic2,points2);
% 角点特征描述
des1=myHarrisCornerDescription(pic1,points1);
des2=myHarrisCornerDescription(pic2,points2);
% 角点粗匹配
matchs=myMatch(des1,des2);
% 获取各自出匹配角点位置
matchedPoints1=points1(matchs(:,1),:);
matchedPoints2=points2(matchs(:,2),:);
% 粗匹配角点连线
figure(2)
drawLinedCorner(pic1,matchedPoints1,pic2,matchedPoints2);
% 角点精匹配
[newLoc1,newLoc2]=pointsSelect(matchedPoints1,matchedPoints2);
% 精匹配角点连线
figure(3)
drawLinedCorner(pic1,newLoc1,pic2,newLoc2);
% 图像拼接
im=picMatched(pic1,newLoc1,pic2,newLoc2);
% 显示拼接图像
figure(4)
imshow(im);
set(gcf,'Color','w');
function points=myHarris(pic)
% 功能:寻找 Harris 角点
% 输入:RGB 图像或 gray 图像