Reference to non-existent field 'bbfixed1'.

function [bb,conf] = tldExample(opt)

global tld; % holds results and temporal variables
global tld2;
global tld3;

% INITIALIZATION ----------------------------------------------------------

opt.source = tldInitSource(opt.source); % select data source, camera/directory

figure(2); set(2,'KeyPressFcn', @handleKey); % open figure for display of results
finish = 0; function handleKey(~,~), finish = 1; end % by pressing any key, the process will exit

while 1
    source = tldInitFirstFrame(tld,opt.source,opt.model.min_win); % get initial bounding box, return 'empty' if bounding box is too small
    if ~isempty(source), opt.source = source; break; end % check size
end

% fprintf('bb2: (%f, %f) (%f, %f)\n', source.bbfixed(1), source.bbfixed(2), source.bbfixed(3), source.bbfixed(4));

% tld2.source.bb = source.bbfixed;
opt.id = 0;
tld = tldInit(opt,[]); % train initial detector and initialize the 'tld' structure
opt2 = opt;
opt2.id = 1;
opt2.source.bb = source.bbfixed1;
tld2 = tldInit(opt2, []);
opt3 = opt;
opt3.id = 2;
opt3.source.bb = source.bbfixed2;
tld3 = tldInit(opt3, []);
tld = tldDisplay(0,tld); % initialize display

fprintf('tld.bb = (%f, %f) (%f, %f)\n', tld.bb(1), tld.bb(2), tld.bb(3), tld.bb(4));
fprintf('tld2.bb = (%f, %f) (%f, %f)\n', tld2.bb(1), tld2.bb(2), tld2.bb(3), tld2.bb(4));
%tld2 = tldDisplay(0, tld2, tld.handle);

% RUN-TIME ----------------------------------------------------------------

for i = 2:length(tld.source.idx) % for every frame
 %   fprintf('\nFixed point: (%f, %f) (%f, %f)\n', tld2.source.bb(1), tld2.source.bb(2), tld2.source.bb(3), tld2.source.bb(4));

      tld = tldProcessFrame(tld, i); % process frame i
      tld2 = tldProcessFrame(tld2,i);
      tld3 = tldProcessFrame(tld3,i);
      tldDisplay(1,tld,tld2,tld3,i); % display results on frame i
  %    hold on;
     % tld2 = tldDisplay(1,tld2,i);
      if finish % finish if any key was pressed
          if tld.source.camera
              stoppreview(tld.source.vid);
              closepreview(tld.source.vid);
               close(1);
          end
          close(2);
          bb = tld.bb; conf = tld.conf; % return results
          return;
      end

      if tld.plot.save == 1
          img = getframe;
          imwrite(img.cdata,[tld.output num2str(i,'%05d') '.png']);
      end
     %{
      idx = find(bb_isdef(tld.bb));
      bb = (tld.bb(:,i));
      bb = bb(:,idx(1));
      fprintf('Robot: (%f, %f) (%f, %f)\n', bb(1), bb(2), bb(3), bb(4));

      idx = find(bb_isdef(tld2.bb));
      bb = (tld2.bb(:,i));
      bb = bb(:,idx(1));
      fprintf('Fixed point1: (%f, %f) (%f, %f)\n', bb(1), bb(2), bb(3), bb(4));

      idx = find(bb_isdef(tld3.bb));
      bb = (tld3.bb(:,i));
      bb = bb(:,idx(1));
      fprintf('Fixed point2: (%f, %f) (%f, %f)\n\n', bb(1), bb(2), bb(3), bb(4));
      %}

end

bb = tld.bb; conf = tld.conf; % return results

end

Answer 1

[Walter Roberson]

You are getting your source variable by calling tldInitFirstFrame, which appears to be a routine from OpenTLD. However, when I examine the source to that, no-where in the source does it refer to "bbfixed" .

If you are using a different version of OpenTLD you need to post the link.