www.gusucode.com > 低秩表示法对子空间结构的鲁棒恢复。图像复原低秩表示算法 > 低秩表示法对子空间结构的鲁棒恢复。图像复原低秩表示算法/code2/missclassGroups.m
%-------------------------------------------------------------------------- % [miss,index] = missclass(Segmentation,RefSegmentation,ngroups) % Computes the number of missclassified points in the vector Segmentation. % Segmentation: 1 by sum(npoints) or sum(ngroups) by 1 vector containing % the label for each group, ranging from 1 to n % npoints: 1 by ngroups or ngroups by 1 vector containing the number of % points in each group. % ngroups: number of groups %-------------------------------------------------------------------------- % Copyright @ Ehsan Elhamifar, 2010 %-------------------------------------------------------------------------- function [miss,index] = missclassGroups(Segmentation,RefSegmentation,ngroups) if(size(RefSegmentation,2)==1) RefSegmentation=RefSegmentation'; end if(size(Segmentation,2)==1) Segmentation=Segmentation'; end Permutations = perms(1:ngroups); miss = zeros(size(Permutations,1),size(Segmentation,1)); for k=1:size(Segmentation,1) for j=1:size(Permutations,1) miss(j,k) = sum(abs(Segmentation(k,:)-Permutations(j,RefSegmentation))>0.1); end end [miss,temp] = min(miss,[],1); index = Permutations(temp,:);