update.m

来自「一种新的人脸识别算法程序」· M 代码 · 共 9 行

function w = update(weights,betaT,loss)
% WBL 22 Sept 2002 update wieghts for next boosting round
% $Revision: 1.4 $  $Date: 2002/10/31 11:25:13 $

%WBL 30 Sep 2002 Use whole training set, not just those used in training

w = weights.*(betaT.^(0.5*(1+loss)));
w = w/sum(w); %Normalise