Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 8a6934de60
Fetching contributors…

Cannot retrieve contributors at this time

53 lines (45 sloc) 1.402 kb
% Copyright 2011 Zdenek Kalal
%
% This file is part of TLD.
%
% TLD 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.
%
% TLD 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 TLD. If not, see <http://www.gnu.org/licenses/>.
function [BB2 Conf Valid] = tldTrack(tld,BB1,I,J)
GRID = 10;
BIG_FB = 10;
BB2 = [];
Conf = [];
Valid = 0;
if isempty(BB1) || ~bb_isdef(BB1),
return;
end
% Tracking
ptI = bb_points(BB1,GRID,GRID,5);
ptJ = lk(2,tld.img{I}.input,tld.img{J}.input,ptI,ptI);
medNCC = median2(ptJ(4,:));
idx = ptJ(4,:) > medNCC;
medFB = median2(ptJ(3,idx));
idx = ptJ(3,:) < medFB & ptJ(4,:)> medNCC;
BB = bb_predict(BB1,ptI(:,idx),ptJ(1:2,idx));
% Failure detection
if medFB > BIG_FB || ~bb_isdef(BB) || bb_isout(BB,tld.imgsize)
return;
end
% Output
BB2 = BB;
ex = tldGetPattern(tld.img{J},BB2,tld.model.patchsize);
Conf = tldNN(ex,tld);
Valid = tld.valid(I);
if ~bb_isin(BB,tld.imgsize)
Valid = 0;
end
Jump to Line
Something went wrong with that request. Please try again.