www.gusucode.com > 指纹识别源代码 > 指纹识别源代码/指纹识别的matlab源码/mirror.m
function [out,dimxt,dimyt]=mirror(in) % mirroring [dimxt,dimyt]=size(in); in_memo=in; extx=20; exty=20; out=zeros(dimxt+2*extx,dimyt+2*exty); out(extx+1:extx+dimxt,exty+1:exty+dimyt)=in_memo; for ii=1:extx out(extx-ii+1,:)=out(extx+ii,:); out(extx+dimxt+ii,:)=out(extx+dimxt-ii+1,:); end for ii=1:exty out(:,exty-ii+1)=out(:,exty+ii); out(:,exty+dimyt+ii)=out(:,exty+dimyt-ii+1); end