S-PEE/LocationMap.m at main · banyehao/S-PEE · GitHub

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function [I,LM] = LocationMap(I,layer)

[A,B] = size(I);

LM = zeros(1,A*B);
index = 0;
for i = 2:A-1
    for j = 2:B-1
        if mod(i+j,2) == layer
            if I(i,j) == 0
                index = index + 1;
                I(i,j) = 1;
                LM(index) = 1;
            end

            if I(i,j) == 255
                index = index + 1;
                I(i,j) = 254;
                LM(index) = 1;
            end

            if I(i,j) == 1
                index = index +1;
                LM(index) = 0;
            end

            if I(i,j) == 254
                index = index +1;
                LM(index) = 0;
            end
        end
    end
end

if index == 0
    LM = [];
    AuxLM = 1;
else
    LM = LM(1:index);
%     xC = cell(1,1);
%     xC{1} = LM;
%     data = arith07(xC);
%     AuxLM = 1 + 8*length(data);
end

end