[image detection saliency map] calculation of fish eye saliency map based on MATLAB distortion prompt [including Matlab source code 1903]

One 、 How to get the code

How to get the code 1：
The complete code has been uploaded to my resources ：【 Image detection saliency map 】 be based on matlab Distortion prompt fish eye diagram saliency diagram calculation 【 contain Matlab Source code 1903 period 】

How to get the code 2：
By subscribing to Ziji Shenguang blog Paid column , With proof of payment , Private Blogger , This code is available .

remarks ：
Subscribe to Ziji Shenguang blog Paid column , Free access to 1 Copy code （ The period of validity From the Subscription Date , Valid for three days ）;

Two 、 Partial source code

close all; clear; clc;
%  Reading data 
savefile = 'ForensicImage/PSTest-3';
orgimage = imread(strcat(savefile,'.jpg'));
load(strcat(savefile,'.mat'));
figure,subplot(131);imshow(orgimage);title(' Forged image ');

%  Calculate measurement tips 
K_value=line_number:4;
fake_saliency=zeros(size(orgimage,1),size(orgimage,2),'uint8'); 
Grave_Point_x=0;
Grave_Point_y=0;
Grave_K=0;
for i=1:line_number   
    %  Distance cue 
    K_value(i,1)=Distance_inv(Points(((1+(i-1)*3):(3+(i-1)*3)),:),fish_x,fish_y,fish_r,1);
    %  Volume prompt 
    K_value(i,2)=Volume_inv(Points(((1+(i-1)*3):(3+(i-1)*3)),:),fish_x,fish_y,fish_r,1);
    %  Combination prompt 
    K_value(i,3)=Combine(K_value(i,2),K_value(i,1));
    %  An unbelievable possibility 
    K_value(i,4)=1-0.9*exp(-(K_value(i,3)*10)^2/((0.2^2)*2));
    %  Calculate the center of gravity 
    if K_value(i,4)>0.5
    Grave_Point_x=Grave_Point_x+1*(Points(1+(i-1)*3,1)...
        +Points(2+(i-1)*3,1)+Points(3+(i-1)*3,1));
    Grave_Point_y=Grave_Point_y+1*(Points(1+(i-1)*3,2)...
        +Points(2+(i-1)*3,2)+Points(3+(i-1)*3,2));
    Grave_K=Grave_K+1;
    end
    fake_saliency = Line2image(fake_saliency, K_value(i,4),...
        Points(((1+(i-1)*3):(3+(i-1)*3)),:));
end

I=rgb2gray(orgimage);
BW= edge(I,'canny',0.1);
subplot(132);imshow(BW); title(' Fake line detection ');
hold on;
for i=1:line_number  
    if K_value(i,4)>0.5 % line detection with S>0.5
        plot(Points((1+(i-1)*3),1),Points((1+(i-1)*3),2),'Color', [1,0,0]);
        plot(Points((2+(i-1)*3),1),Points((2+(i-1)*3),2),'Color', [1,0,0]);
        plot(Points((3+(i-1)*3),1),Points((3+(i-1)*3),2),'Color', [1,0,0]);
        line([Points((1+(i-1)*3),1) Points((2+(i-1)*3),1)], [Points((1+(i-1)*3),2) Points((2+(i-1)*3),2)],...
            'Color', [1,0,0], 'LineWidth', 3)
        line([Points((2+(i-1)*3),1) Points((3+(i-1)*3),1)], [Points((2+(i-1)*3),2) Points((3+(i-1)*3),2)],...
            'Color', [1,0,0], 'LineWidth', 3)
    else
        plot(Points((1+(i-1)*3),1),Points((1+(i-1)*3),2),'Color', [0,1,0]);
        plot(Points((2+(i-1)*3),1),Points((2+(i-1)*3),2),'Color', [0,1,0]);
        plot(Points((3+(i-1)*3),1),Points((3+(i-1)*3),2),'Color', [0,1,0]);
        line([Points((1+(i-1)*3),1) Points((2+(i-1)*3),1)], [Points((1+(i-1)*3),2) Points((2+(i-1)*3),2)],...
            'Color', [0,1,0], 'LineWidth', 3)
        line([Points((2+(i-1)*3),1) Points((3+(i-1)*3),1)], [Points((2+(i-1)*3),2) Points((3+(i-1)*3),2)],...
            'Color', [0,1,0], 'LineWidth', 3)
    end
end

%  Generate a false saliency graph 
if Grave_K~=0
    Grave_Point_x=round(Grave_Point_x/(Grave_K*3));
    Grave_Point_y=round(Grave_Point_y/(Grave_K*3));
    fake_saliency(Grave_Point_y-10:Grave_Point_y+10,...
        Grave_Point_x-10:Grave_Point_x+10)=255;
end

3、 ... and 、 Running results

Four 、matlab Edition and references

1 matlab edition
2014a

2 reference
[1] Cai Limei .MATLAB The image processing —— theory 、 Algorithm and example analysis [M]. tsinghua university press ,2020.
[2] Yang Dan , Zhao Haibin , Long Zhe .MATLAB Detailed explanation of image processing examples [M]. tsinghua university press ,2013.
[3] Zhou pin .MATLAB Image processing and graphical user interface design [M]. tsinghua university press ,2013.
[4] Liu Chenglong . Master MATLAB The image processing [M]. tsinghua university press ,2015.

3 remarks
This part of the introduction is taken from the Internet , For reference only , If infringement , Contact deletion