clc;clear;
filename=dir（‘C:\IMAGE_1\*.tif‘）;
for?j=1:length（filename）
????img_src=imread（strcat（‘C:\IMAGE_1\‘filename（j）.name））;
????[heightwidthnch]=size（img_src）;
????gray_src=rgb2gray（img_src）;
????row_sum=sum（gray_src）;
????threshold=height;
????l_0=0;
????l_1=0;
????%estimate?the?location?of?flame?in?X?direction?OF?LEFT?
????for?i=1:width/2
????????if（（l_0==0）?&&?（row_sum（i）>threshold））
?????????l_0=i;
????????end
????????if（（l_0>0）?&&（l_1==0）&&?（row_sum（i）?????????l_1=i;
????????end
????end
????%estimate?the?location?of?flame?in?X?direction?OF?RIGHT
????r_0=width/2;
????r_1=width/2;
????for?i=width/2:width
????????if（（r_0==width/2）?&&?（row_sum（i）>threshold））
????????????r_0=i;
????????end
????????if（（r_0>width/2）?&&（r_1==width/2）&&?（row_sum（i）????????????r_1=i;
????????end
????end
????if（（r_1-r_0）~=（l_1-l_0））
????????temp=max（（（r_1-r_0））（（l_1-l_0）））;
????????temp=temp/32+1;
????????temp=32*int16（（temp