MATLAB 截取有目标物体算法

tic;clear all;for k=3:40    if k<4        imdata1=imread('00005.bmp');             for k1=1:10:210          for k2=1:10:282              k3=k1+59;              k4=k2+59;        imdata2=imdata1(k1:k3,k2:k4);        b=imdata1(k1:k3,k2:k4);        level=graythresh(b);%获取灰度图片的阈值        b=medfilt2(b,[6,6]);%进行中值滤波;      %  b=imadjust(b,[ ],[ ],2);%增强高灰度级       % disp(level);        c=im2bw(b,0.4);        i=0;        for i1=1:60            for i2=1:60                if(c(i1,i2)==1)                    i=i+1;                end            end        end        disp(i)        if(i<3000)                imwrite(imdata2,strcat('500',int2str(k1),int2str(k2),'.png'),'png');%把每帧图像存入硬盘           %  imwrite(c,strcat('300',int2str(k1),int2str(k2),'.png'),'png');%把每帧图像存入硬盘        end            end      end      end   end  toc;