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function kerdb = calcKernelDb(typeNames, featNames, featOpts) ;
% CALCKERNELDB Get the kernels database
% KERDB = CALCKERNELDB(TYPENAMES, FEATNAMES, FEATOPTS) returns a
% struct array describing the available SVM kernels.
%
% Author:: Andrea Vedaldi
% AUTORIGHTS
% Copyright (C) 2008-09 Andrea Vedaldi
%
% This file is part of the VGG MKL Class and VGG MKL Det code packages,
% available in the terms of the GNU General Public License version 2.
kerdb = [] ;
nk = 0 ;
for ti=1:length(typeNames)
typeName = typeNames{ti} ;
for fi=1:length(featNames)
featName = featNames{fi} ;
pyrLevels = featOpts.(featName).pyrLevels ;
if isempty(pyrLevels)
nk = nk + 1 ;
kerdb(nk) .type = typeName ;
kerdb(nk) .feat = featName ;
kerdb(nk) .pyrLevel = [] ;
kerdb(nk) .histName = featName ;
kerdb(nk) .name = sprintf('%s_%s', ...
typeName, ...
featName) ;
continue ;
end
for pyrLevel=pyrLevels
nk = nk + 1 ;
kerdb(nk) .type = typeName ;
kerdb(nk) .feat = featName ;
kerdb(nk) .pyrLevel = pyrLevel ;
kerdb(nk) .histName = sprintf('%s_L%d', ...
featName, ...
pyrLevel ) ;
kerdb(nk) .name = sprintf('%s_%s_L%d', ...
typeName, ...
featName, ...
pyrLevel ) ;
end
end
end
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