clc
im?=?imread（‘flower.jpg‘）;
[x1?y1?z]=size（im）;
im=rgb2gray（im）;
zj=zeros（1256）;
dist=zeros（1256）;
hist_im=imhist（im）;?%計算直方圖
sum=0;
figure;
bar（hist_im）;%畫直方圖
for?i=1:256
????for?j=1:256
????????sum=sum+（abs（i-j）*hist_im（j））^2;?%論文中的公式。每個像素到其他像素的歐氏距離和??????
????end
????zj（i）=sum^0.5;
????sum=0;
end
figure;
?bar（zj）;%畫直方圖?????
?small=min（zj）;
?big=max（zj）;
?ddist=big-small;
?for?i=1:256
????????dist（i）?=?（zj（i）-small）/ddist*256;		%歸一化直方圖
?end	
?figure;
?bar（dist）;%畫直方圖?????
?
?for?a=1:x1
?????for?b=1:y1
?????????for?z=1:255
?????????????if?im（ab）==z
?????????????????im（ab）=dist（z）;%計算每個像素的顯著值
?????????????????break;
?????????????end
?????????end
?????end
?end
?im=mat2gray（im）;
?figure;
?imshow（im）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-19?15:04??LC算法matlab\
?????目錄???????????0??2018-04-19?15:05??LC算法matlab\Visual?Attention\
?????文件?????????811??2015-08-31?09:10??LC算法matlab\Visual?Attention\LC_His.m
?????文件?????1659613??2015-08-30?16:18??LC算法matlab\Visual?Attention\Visual_attention_detection_in_video_sequences_using_spatiotemporal_cues.pdf