29 lines
898 B
Matlab
29 lines
898 B
Matlab
function DU = updateDictionary(Dict, Sign)
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%UPDATEDICTIONARY Update the dictionary with the new signature (place)
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% DU = updateDictionary(Dict, Sign)
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%
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% DU = dictionary updated
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% dictionary = [wordId1 SignRefIds...; wordId2 SignRefIds...; ...]
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% sign = [signId WordRefIds...]
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signId = Sign(1);
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Sign = Sign(Sign~=0);
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for i=2:length(Sign)
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indexWord = [];
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if isempty(Dict) ~= 1
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indexWord = find(Dict(:,1) == Sign(i),1);
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end
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if isempty(indexWord) == 1
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Dict(size(Dict,1)+1,1) = Sign(i); %Word id
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Dict(size(Dict,1),2) = signId; %Signature id ref
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else
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ii = 1:length(Dict(indexWord,1:end));
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indexesZero = ii(Dict(indexWord,1:end) == 0);
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if isempty(indexesZero)
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Dict(indexWord, size(Dict,2)+1) = signId;
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else
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Dict(indexWord, indexesZero(1)) = signId;
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end
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end
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end
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DU = Dict; |