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function [D, XML] = LMdatabase(varargin)
%function [database, XML] = LMdatabase(HOMEANNOTATIONS, folderlist)
%
% This line reads the entire database into a Matlab struct.
%
% Different ways of calling this function
% D = LMdatabase(HOMEANNOTATIONS); % reads only annotated images
% D = LMdatabase(HOMEANNOTATIONS, HOMEIMAGES); % reads all images
% D = LMdatabase(HOMEANNOTATIONS, folderlist);
% D = LMdatabase(HOMEANNOTATIONS, HOMEIMAGES, folderlist);
% D = LMdatabase(HOMEANNOTATIONS, HOMEIMAGES, folderlist, filelist);
%
% Reads all the annotations.
% It creates a struct 'almost' equivalent to what you would get if you concatenate
% first all the xml files, then you add at the beggining the tag <D> and at the end </D>
% and then use loadXML.m
%
% You do not need to download the database. The functions that read the
% images and the annotation files can be refered to the online tool. For
% instance, you can run the next command:
%
% HOMEANNOTATIONS = 'http://labelme.csail.mit.edu/Annotations'
% D = LMdatabase(HOMEANNOTATIONS);
%
% This will create the database struct without needing to download the
% database. It might be slower than having a local copy.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% LabelMe, the open annotation tool
% Contribute to the database by labeling objects using the annotation tool.
% http://labelme.csail.mit.edu/
%
% CSAIL, MIT
% 2006
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% LabelMe is a WEB-based image annotation tool and a Matlab toolbox that allows
% researchers to label images and share the annotations with the rest of the community.
% Copyright (C) 2007 MIT, Computer Science and Artificial
% Intelligence Laboratory. Antonio Torralba, Bryan Russell, William T. Freeman
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This function removes all the deleted polygons. If you want to read them
% too, you have to comment line (at the end): D = LMvalidobjects(D);.
Folder = [];
% Parse input arguments and read list of folders
Narg = nargin;
HOMEANNOTATIONS = varargin{1};
if Narg==3
HOMEIMAGES = varargin{2};
else
HOMEIMAGES = '';
end
if iscell(varargin{Narg})
if Narg == 2
Folder = varargin{2};
Nfolders = length(Folder);
end
if Narg == 3
Folder = varargin{3};
Nfolders = length(Folder);
end
if Narg == 4
Folder = varargin{3};
Images = varargin{4};
Nfolders = length(Folder);
end
else
if Narg==2
HOMEIMAGES = varargin{2};
end
if ~strcmp(HOMEANNOTATIONS(1:5), 'http:');
Folder = folderlist(HOMEANNOTATIONS);
%folders = genpath(HOMEANNOTATIONS);
%h = [findstr(folders, pathsep)];
%h = [0 h];
%Nfolders = length(h)-1;
%for i = 1:Nfolders
% tmp = folders(h(i)+1:h(i+1)-1);
% tmp = strrep(tmp, HOMEANNOTATIONS, ''); tmp = tmp(2:end);
% Folder{i} = tmp;
%end
Nfolders = length(Folder);
else
files = urldir(HOMEANNOTATIONS);
Folder = {files(2:end).name}; % the first item is the main path name
Nfolders = length(Folder);
%for i = 1:Nfolders
% Folder{i} = Folder{i};
%end
end
end
% Open figure that visualizes the file and folder counter
Hfig = plotbar;
% Loop on folders
D = []; n = 0; nPolygons = 0;
if nargout == 2; XML = ['<database>']; end
for f = 1:Nfolders
folder = Folder{f};
disp(sprintf('%d/%d, %s', f, Nfolders, folder))
if Narg<4
filesImages = [];
if ~strcmp(HOMEANNOTATIONS(1:5), 'http:');
filesAnnotations = dir(fullfile(HOMEANNOTATIONS, folder, '*.xml'));
if ~isempty(HOMEIMAGES)
filesImages = dir(fullfile(HOMEIMAGES, folder, '*.jpg'));
end
else
filesAnnotations = urlxmldir(fullfile(HOMEANNOTATIONS, folder));
if ~isempty(HOMEIMAGES)
filesImages = urldir(fullfile(HOMEIMAGES, folder), 'img');
end
end
else
filesAnnotations(1).name = strrep(Images{f}, '.jpg', '.xml');
filesAnnotations(1).bytes = 1;
filesImages(1).name = strrep(Images{f}, '.xml', '.jpg');
end
if ~isempty(HOMEIMAGES)
N = length(filesImages);
else
N = length(filesAnnotations);
end
%fprintf(1, '%d ', N)
emptyAnnotationFiles = 0;
labeledImages = 0;
for i = 1:N
clear v
if ~isempty(HOMEIMAGES)
filename = fullfile(HOMEIMAGES, folder, filesImages(i).name);
filenameanno = strrep(filesImages(i).name, '.jpg', '.xml');
if ~isempty(filesAnnotations)
J = strmatch(filenameanno, {filesAnnotations(:).name});
else
J = [];
end
if length(J)==1
if filesAnnotations(J).bytes > 0
[v, xml] = loadXML(fullfile(HOMEANNOTATIONS, folder, filenameanno));
labeledImages = labeledImages+1;
else
%disp(sprintf('file %s is empty', filenameanno))
emptyAnnotationFiles = emptyAnnotationFiles+1;
v.annotation.folder = folder;
v.annotation.filename = filesImages(i).name;
end
else
%disp(sprintf('image %s has no annotation', filename))
v.annotation.folder = folder;
v.annotation.filename = filesImages(i).name;
end
else
filename = fullfile(HOMEANNOTATIONS, folder, filesAnnotations(i).name);
if filesAnnotations(i).bytes > 0
[v, xml] = loadXML(filename);
labeledImages = labeledImages+1;
else
disp(sprintf('file %s is empty', filename))
v.annotation.folder = folder;
v.annotation.filename = strrep(filesAnnotations(i).name, '.xml', '.jpg');
end
end
n = n+1;
% Convert %20 to spaces from file names and folder names
if isfield(v.annotation, 'folder')
v.annotation.folder = strrep(v.annotation.folder, '%20', ' ');
v.annotation.filename = strrep(v.annotation.filename, '%20', ' ');
% Add folder and file name to the scene description
if ~isfield(v.annotation, 'scenedescription')
v.annotation.scenedescription = [v.annotation.folder ' ' v.annotation.filename];
end
end
% if isfield(v.annotation.source, 'type')
% switch v.annotation.source.type
% case 'video'
% videomode = 1;
% otherwise
% videomode = 0;
% end
% else
% videomode = 0;
% end
% Add object ids
if isfield(v.annotation, 'object')
%keyboard
Nobjects = length(v.annotation.object);
[x,y,foo,t,key] = LMobjectpolygon(v.annotation);
% remove some fields
if isfield(v.annotation.object, 'verified')
v.annotation.object = rmfield(v.annotation.object, 'verified');
end
for m = 1:Nobjects
% lower case object name
if isfield(v.annotation.object(m), 'name')
v.annotation.object(m).name = strtrim(lower(v.annotation.object(m).name));
end
% add id
if isfield(v.annotation.object(m).polygon, 'pt')
v.annotation.object(m).id = m;
% Compact polygons
v.annotation.object(m).polygon = rmfield(v.annotation.object(m).polygon, 'pt');
pol.x = single(x{m});
pol.y = single(y{m});
pol.t = uint16(t{m});
pol.key = uint8(key{m});
if isfield(v.annotation.object(m).polygon, 'username')
pol.username = v.annotation.object(m).polygon.username;
end
v.annotation.object(m).polygon = pol;
else
v.annotation.object(m).deleted = '1';
end
end
end
% Parse estabilization matrix (only used by video labelme):
% A= [a b c; d e f; 0 0 1];
if isfield(v.annotation, 'stabilization')
Nframes = length(v.annotation.stabilization.fr);
A = zeros([3,3,Nframes]);
A(3,3,:)=1;
for k = 1:Nframes
A(1,1,k) = str2num(v.annotation.stabilization.fr(k).a);
A(1,2,k) = str2num(v.annotation.stabilization.fr(k).b);
A(1,3,k) = str2num(v.annotation.stabilization.fr(k).c);
A(2,1,k) = str2num(v.annotation.stabilization.fr(k).d);
A(2,2,k) = str2num(v.annotation.stabilization.fr(k).e);
A(2,3,k) = str2num(v.annotation.stabilization.fr(k).f);
end
v.annotation.stabilization = rmfield(v.annotation.stabilization, 'fr');
v.annotation.stabilization.A = A;
end
% store annotation into the database
D(n).annotation = v.annotation;
if nargout == 2
XML = [XML xml];
end
if mod(i,10)==1 && Narg<4
plotbar(Hfig,f,Nfolders,i,N);
end
end
disp(sprintf(' Total images:%d, annotation files:%d (with %d empty xml files)', N, labeledImages, emptyAnnotationFiles))
end
if nargout == 2; XML = [XML '</database>']; end
% Remove all the deleted objects. Comment this line if you want to see all
% the deleted files.
D = LMvalidobjects(D);
% Add view point into the object name
D = addviewpoint(D);
% Add crop label:
%words = {'crop', 'occluded', 'part'};
%D = addcroplabel(D, words); % adds field <crop>1</crop> for cropped objects
% Add image size field
% D = addimagesize(D);
% % Summary database;
%[names, counts] = LMobjectnames(D);
%disp('-----------------')
%disp(sprintf('LabelMe Database summary:\n Total of %d annotated images. \n There are %d polygons assigned to %d different object names', length(D), sum(counts), length(names)))
disp(sprintf('LabelMe Database summary:\n Total of %d annotated images.', length(D)))
%disp('-----------------')
%
close(Hfig)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function fig = plotbar(fig,nf,Nf,ni,Ni)
if nargin > 0
clf(fig)
ha = subplot(2,1,1, 'parent', fig); cla(ha)
p = patch([0 1 1 0],[0 0 1 1],'w','EraseMode','none', 'parent', ha);
p = patch([0 1 1 0]*nf/Nf,[0 0 1 1],'g','EdgeColor','k','EraseMode','none', 'parent', ha);
axis(ha,'off')
title(sprintf('folders (%d/%d)',nf,Nf), 'parent', ha)
ha = subplot(2,1,2, 'parent', fig); cla(ha)
p = patch([0 1 1 0],[0 0 1 1],'w','EraseMode','none', 'parent', ha);
p = patch([0 1 1 0]*ni/Ni,[0 0 1 1],'r','EdgeColor','k','EraseMode','none', 'parent', ha);
axis(ha,'off')
title(sprintf('files (%d/%d)',ni,Ni), 'parent', ha)
drawnow
else
% Create counter figure
screenSize = get(0,'ScreenSize');
pointsPerPixel = 72/get(0,'ScreenPixelsPerInch');
width = 360 * pointsPerPixel;
height = 2*75 * pointsPerPixel;
pos = [screenSize(3)/2-width/2 screenSize(4)/2-height/2 width height];
fig = figure('Units', 'points', ...
'NumberTitle','off', ...
'IntegerHandle','off', ...
'MenuBar', 'none', ...
'Visible','on',...
'position', pos,...
'BackingStore','off',...
'DoubleBuffer','on');
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function files = urlxmldir(page)
files = []; Folder = [];
page = strrep(page, '\', '/');
%page
[folders,status] = urlread(page);
if status
folders = folders(1:length(folders));
j1 = findstr(lower(folders), '<a href="');
j2 = findstr(lower(folders), '</a>');
Nfolders = length(j1);
fn = 0;
for f = 1:Nfolders
tmp = folders(j1(f)+9:j2(f)-1);
fin = findstr(tmp, '"');
if length(findstr(tmp(1:fin(end)-1), 'xml'))>0
fn = fn+1;
Folder{fn} = tmp(1:fin(end)-1);
end
end
for f = 1:length(Folder)
files(f).name = Folder{f};
files(f).bytes = 1;
end
end |