dpm模型转换，*.mat转*.xml，利用opencv做dpm检测

function MAT2XMLmodel_401(matmodel,xmlfile)

matmodel = 'sofa_final';
xmlfile = 'sofa_final.xml';

load(matmodel);
fid = fopen(xmlfile,'w');

fprintf(fid,'<Model>n');

ncom = length(model.rules{model.start});
fprintf(fid,'t<!-- Number of components -->n');
fprintf(fid,'t<NumComponents>%d</NumComponents>n',ncom);

nfeature = 31;
fprintf(fid,'t<!-- Number of features -->n');
fprintf(fid,'t<P>%d</P>n',nfeature);

fprintf(fid,'t<!-- Score threshold -->n');
fprintf(fid,'t<ScoreThreshold>%.16f</ScoreThreshold>n',model.thresh);
layer = 1;
for icom = 1:ncom
    fprintf(fid,'t<Component>n');
    
        fprintf(fid,'tt<!-- Root filter description -->n');
        fprintf(fid,'tt<RootFilter>n');
        
            % attention: X,Y swap
            rhs = model.rules{model.start}(icom).rhs;
            % assume the root filter is first on the rhs of the start rules
            if model.symbols(rhs(1)).type == 'T'
              % handle case where there's no deformation model for the root
              root = model.symbols(rhs(1)).filter;
            else
              % handle case where there is a deformation model for the root
              root = model.symbols(model.rules{rhs(1)}(layer).rhs).filter;
            end
            
            filternum = root;
            sizeX = model.filters(filternum).size(2);
            sizeY = model.filters(filternum).size(1);
            fprintf(fid,'ttt<!-- Dimensions -->n'); 
            fprintf(fid,'ttt<sizeX>%d</sizeX>n',sizeX); 
            fprintf(fid,'ttt<sizeY>%d</sizeY>n',sizeY);
        
            fprintf(fid,'ttt<!-- Weights (binary representation) -->n');
            fprintf(fid,'ttt<Weights>');
            for iY = 1:sizeY
                for iX = 1:sizeX
                    % original mat has 32 which is larger than nfeature=31 by 1
                    fwrite(fid,model.filters(filternum).w(iY,iX,1:nfeature),'double'); % need verify
                end
            end
            fprintf(fid,'ttt</Weights>n');
            
    		
            fprintf(fid,'ttt<!-- Linear term in score function -->n');
            fprintf(fid,'ttt<LinearTerm>%.16f</LinearTerm>n',...  % need verify
                model.rules{model.start}(icom).offset.w);
            
        fprintf(fid,'tt</RootFilter>n');
        
        fprintf(fid,'tt<!-- Part filters description -->n');
        fprintf(fid,'tt<PartFilters>n');
        
        npart = length(model.rules{model.start}(icom).rhs) -1 ;
        fprintf(fid,'ttt<NumPartFilters>%d</NumPartFilters>n',npart);
        
        for ipart = 2: npart+1
            fprintf(fid,'ttt<!-- Part filter ? description -->n');
            fprintf(fid,'ttt<PartFilter>n');
            
            irule = model.rules{model.start}(icom).rhs(ipart);
            filternum = model.symbols(model.rules{irule}.rhs).filter;
            sizeX = model.filters(filternum).size(2);
            sizeY = model.filters(filternum).size(1);
            fprintf(fid,'tttt<sizeX>%d</sizeX>n',sizeX);
            fprintf(fid,'tttt<sizeY>%d</sizeY>n',sizeY);
            fprintf(fid,'tttt<!-- Weights (binary representation) -->n');
            fprintf(fid,'tttt<Weights>');
            for iY = 1:sizeY
                for iX = 1:sizeX
                    % original mat has 32 which is larger than nfeature=31 by 1
                    fwrite(fid,'tttt</Weights>n');
            
            fprintf(fid,'tttt<!-- Part filter offset -->n');
            
            fprintf(fid,'tttt<V>n');
            
            fprintf(fid,'ttttt<Vx>%d</Vx>n',model.rules{model.start}(icom).anchor{ipart}(1)+1); %[dx,dy,ds]
            fprintf(fid,'ttttt<Vy>%d</Vy>n',model.rules{model.start}(icom).anchor{ipart}(2)+1);
            
            fprintf(fid,'tttt</V>n');
            
            
            fprintf(fid,'tttt<!-- Quadratic penalty function coefficients -->n');
            
            fprintf(fid,'tttt<Penalty>n');
            fprintf(fid,'ttttt<dx>%.16f</dx>n',model.rules{irule}.def.w(2)); 
            fprintf(fid,'ttttt<dy>%.16f</dy>n',model.rules{irule}.def.w(4)); 
            fprintf(fid,'ttttt<dxx>%.16f</dxx>n',model.rules{irule}.def.w(1)); 
            fprintf(fid,'ttttt<dyy>%.16f</dyy>n',model.rules{irule}.def.w(3)); 
            
            fprintf(fid,'tttt</Penalty>n');
				
            
            
            fprintf(fid,'ttt</PartFilter>n');
        end
    
        fprintf(fid,'tt</PartFilters>n');
    fprintf(fid,'t</Component>n');
end
fprintf(fid,'</Model>n');
fclose(fid);

end

（编辑：李大同）

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