Matlab: Embedding Images

Summary

代码操作一张图片嵌入另一图片之特定位置。

Code Specification

对于需要嵌入的图片，首先操作它缩放一定比例，scale定义缩放比例。在原始图片Fig. 1嵌入另一图片，得到Fig. 2,。

Fig. 1

Fig. 2

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% Created by LI Xu % Version 1.0 % 12 April, 2015 % Improved by LI Xu % Version 1.1 % December 4, 2015 % Set the input/output directories % for processing clear; clc; clf; % Front Picture frontpath='legend.png'; front=imread(frontpath); % Scale Factor scale=0.18; front=imresize(front, scale); frontrow=size(front, 1); frontcol=size(front, 2); % Source Directory SouDir='./input'; % Destination Directory DesDir='./output'; % Set the start location of row and column hratio=0.57; vratio=0.8; % Background Picture files=dir([SouDir, '/*.png']); for ii=1:length(files) filename=files(ii).name; filepath=[SouDir, '/', filename]; back=imread(filepath); row=size(back, 1); col=size(back, 2); strow=round(row*vratio); stcol=round(col*hratio); resimg=back; resimg(strow:strow+frontrow-1, stcol:stcol+frontcol-1, :)=front; imshow(resimg); pause(2); otpath=[DesDir, '/', filename]; % Save imwrite(resimg, otpath); close all; disp([num2str(ii), '.', filename]); end disp('***********************************************');

MatInsertImage.rar.

[For Transparency PNG, August 20, 2016].