Output argument not assigned during call

Question

Kiruba Raji.I 2016-7-23

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/296920-output-argument-not-assigned-during-call

回答： Geoff Hayes 2016-7-23

function [S1]= PCNN(S)
%UNTITLED Summary of this function goes here
%   Detailed explanation goes here
Alpha_F=0.1;
Alpha_L=1.0;
Alpha_T=1.0;
V_F=0.5;
V_L=0.2;
V_T=20.0;
Beta=0.1;
Num=100;
W=[0.5 1 0.5;1 0 1; 0.5 1 0.5];
M=[0.5 1 0.5;1 0 1; 0.5 1 0.5];
F=zeros(size(S));
L=F;
Y=F;
U=F;
T=ones(size(S));
S=im2double(S);
for n=1:Num
    F=exp(-Alpha_F)*F + V_F * conv2(Y,W,'same')+S;
    L=exp(-Alpha_L)* L+V_L * conv2(Y,M,'same');
    U=F.*(1+Beta* L);
    Y=double(U>T);
    T=exp(-Alpha_T)*T+V_T*Y;
end
end

Script

I=imread('d:\segleaf\i1.jpg');
[I1]=PCNN(I);

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Answer 1

Geoff Hayes 2016-7-23

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/296920-output-argument-not-assigned-during-call#answer_229578

在 MATLAB Online 中打开

Kiruba - look at your function signature

function [S1]= PCNN(S)

The output parameter is S1 yet nowhere in your code is this variable declared. You will need to determine which of the variable in your for loop corresponds to S1 and initialize S1 to this variable.