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est_dis.m
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est_dis.m
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function [varargout] = est_dis(awa_proto,exclus_proto,portion,open_set)
dbstop if error
if nargin<3
portion = 0.5;
end
if nargin<4
open_set = 1;
end
dist_param.kappa = zeros(size(awa_proto,1),1);
dist_param.lambda = zeros(size(awa_proto,1),1);
if open_set
d = [];
for i = 1:size(awa_proto,1)
for j = 1:length(exclus_proto{1})
d(j)=pdist2(awa_proto(i,:),exclus_proto{i}{j});
end
% d = exp(exp(1./(2-d)-1/2));
d= d(d>0)*portion;
l_k = wblfit(d);
dist_param.lambda(i) = l_k(1);
dist_param.kappa(i) = l_k(2);
end
else
for i = 1:size(awa_proto,1)
d = pdist2(awa_proto(i,:),awa_proto([1:(i-1) (i+1):size(awa_proto,1)],:));
d= d*portion;
l_k = wblfit(d);
dist_param.lambda(i) = l_k(1);
dist_param.kappa(i) = l_k(2);
end
end
varargout{1} =dist_param.kappa;
varargout{2} =dist_param.lambda;