MATLAB实例:为匹配真实标签,对训练得到的标签进行调整
- 作者: 你最珍贵10500288
- 来源: 51数据库
- 2020-08-06
MATLAB实例:为匹配真实标签,对训练得到的标签进行调整
作者:凯鲁嘎吉 - 博客园 http://www.cnblogs.com/kailugaji/
1. MATLAB程序
munkres.m
见:MATLAB实例:Munkres指派算法
label_map.m
function [ new_label ] = label_map( label, gnd ) %为匹配真实标签,对标签重新调整 K = length(unique(gnd)); cost_mat = zeros(K,K); for i=1:K idx = find(label==i); for j=1:K cost_mat(i,j) = length(find(gnd(idx)~=j)); end end [assignment,cost] = munkres(cost_mat); [assignedrows,dum]=find(assignment'); new_label = label; for i=1:K idx = find(label==i); new_label(idx) = assignedrows(i); end
2. 结果
>> label=[1 1 2 1 1 2 2 2 3 2 2 3 1 3 3 2 3]; >> gnd=[2 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 ]; >> [ new_label ] = label_map( label, gnd ) new_label = 2 2 3 2 2 3 3 3 1 3 3 1 2 1 1 3 1
3. 参考文献
[1] Hua J, Li C. Distributed variational Bayesian algorithms over sensor networks[J]. IEEE Transactions on Signal Processing, 2015, 64(3): 783-798.
[2] Junhao Hua. Distributed Variational Bayesian Algorithms. Github, 2017.
[3] MATLAB实例:Munkres指派算法
原文链接:http://www.cnblogs.com/kailugaji/p/11771226.html
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