Home > demo3 > make_sift_kernel_from_var.m

make_sift_kernel_from_var

PURPOSE ^

SYNOPSIS ^

function [K] = make_sift_kernel_from_var(var,mode,kernel_func)

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function [K] = make_sift_kernel_from_var(var,mode,kernel_func)
0002 
0003 if nargin < 2
0004     mode = 1;
0005 end;
0006 if nargin < 3
0007     kernel_func = @hist_intersection;
0008 end;
0009 
0010 for ii=1:length(var)
0011     L = 2;
0012     Ktmp = make_pyramid_kernel(var(ii).mincenter,var(ii).Finfo,var(ii).npoints,L,kernel_func,mode);
0013     if ii==1
0014         K = Ktmp;
0015         kern_ind = 1:size(Ktmp,3);
0016     else
0017         K(:,:,end+1:end+size(Ktmp,3)) = Ktmp;
0018         kern_ind = [(kern_ind(end)+1):(kern_ind(end)+size(Ktmp,3))];
0019     end;
0020 end;
0021 
0022 for ii=1:size(K,3)
0023     K(:,:,ii) = K(:,:,ii)/trace(K(:,:,ii));
0024 end;

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