function [Y]=AdaBoostClassify(H,alpha,X)%  AdaBoost classifyT=size(alpha,2);Thresh=sum(alpha)/2;Yres=0;for t=1:T   %find weak classifier decision     Label=WeakClassify(X,H{t},'ROC');   Yres=Yres+alpha(t)*Label;end;Y=(Yres>=thresh);