lhiregulatenames.m

This code can parse any image in matlab. Very elaborate code

function [db,excludelist] = LHIregulatenames(db, HOMELABELMAPS, NEWHOMELABELMAPS, namelistfile)
% 
% D = LHIregulatenames(D, HOMEIMAGES, HOMELABELMAPS)
%
% namelist:  {'sky','ground,court,playground','water,sea',...}

fid=fopen(namelistfile);
ni = 1;
tline={};
while 1
    line = fgetl(fid); 
    if ~ischar(line),   break,   end
    if strcmp(line(1),'%'), continue, end
    tline{ni} = line;
    ni = ni + 1;
end
fclose(fid);

namelist = {};
for i=1:length(tline)
   query = parseContent(tline{i});
   namelist{i} = strrep(query{1},'+','');
   tline{i} = strrep(tline{i},' ','+');
   db = LHIreplaceobjectname(db, tline{i}, namelist{i}{1}, 'rename','word');
end
excludelist = [];
for i=1:length(namelist)
    excludelist = strcat(excludelist,'-',namelist{i});
end
excludelist = excludelist{1};
excludelist=strrep(excludelist,' ','-');
if nargout == 2
    return;
end
db = LHIreplaceobjectname(db, excludelist, 'other', 'rename','word');
[names, counts, imagendx, objectndx, descriptionndx] = LHIobjectnames(db);
[ff, ndx] = sort(counts,'descend');
imagendx = imagendx(ndx);
objectndx = objectndx(ndx);

Nimage = length(db);
for i=1:Nimage,
    i
    labelmap = LHILMread(db,i,HOMELABELMAPS);
    mapcpy = labelmap;
    %initialize color to other
    for j=1:length(names)
        if (strcmp(names{ndx(j)},'other'))
            [R,G,B] = getRGB(j);
            break;
        end
    end  
    a = uint8(reshape([R,G,B],1,1,3));
    labelmap = repmat(a, [size(labelmap,1),size(labelmap,2)]);
    %begin labelmap layout
    for j=1:length(names)
        jc = LHIobjectindex(db(i).annotation, strrep(names{ndx(j)},' ','+'),'word');
        [R,G,B] = getRGB(j);
        for k=1:length(jc)
           color = db(i).annotation.object(jc(k)).labelmap;
           if length(color) == 0
               continue;
           end
           mask = ((mapcpy(:,:,1)==str2num(color.R))&(mapcpy(:,:,2) == str2num(color.G))&(mapcpy(:,:,3) == str2num(color.B)));
           labelmap = imoverlay(labelmap,mask,[R;G;B]);
           color.R = num2str(R); color.B=num2str(B); color.G = num2str(G);
           db(i).annotation.object(jc(k)).labelmap = color;
        end
    end
    if (~isdir(fullfile(NEWHOMELABELMAPS, db(i).annotation.folder)))
        mkdir(fullfile(NEWHOMELABELMAPS, db(i).annotation.folder));
    end
    filename = fullfile(NEWHOMELABELMAPS, db(i).annotation.folder, strrep(db(i).annotation.filename,'.jpg','.png'));
    imwrite(labelmap,filename);
end

Nclass = length(names);
table = zeros(Nclass,4,3);

for i=1:Nclass
    namenew{i} = names{ndx(i)};
    [R,G,B] = getRGB(i);
    table(i,1,:) = R;
    table(i,2,:) = G;
    table(i,3,:) = B;
    table(i,4,:) = [R,G,B];
end

figure;
imagesc(uint8(table));
set(gca, 'YTick', 1:Nclass);
set(gca, 'YtickLabel', namenew);
set(gca, 'XTick', 1:4);
set(gca, 'XtickLabel', {'R','G','B','color'});
legend

function [valR,valG,valB] = getRGB(id)

j=0; valR = 0; valG = 0; valB = 0;
while( id >0)
   valR = bitor(valR, bitshift(bitand(bitshift(id,-0),1),(7-j)));
   valG = bitor(valG, bitshift(bitand(bitshift(id,-1),1),(7-j)));
   valB = bitor(valB, bitshift(bitand(bitshift(id,-2),1),(7-j)));
   id = bitshift(id, -3);
   j = j+1;
end%while