assistscan.m

改进版ezw编码

function [quantilist,quantiflag,recvalue,quantifierMat]=assistscan(imptvalue,dim,T1)
quantilist=[];
quantiflag=[];
recvalue=[];

[quantifierMat,threshold]=quantifier(T1,dim);

[imRow,imCol]=size(imptvalue);
for j=1:imRow
    rI=flor(imptvalue(j)/threshold);
    flag01=imptvalue(j)-rI*threshold;
    if flag01<threshold/2
        quantiflag=[quantiflag;0];
        recvalue=[recvalue;quantifierMat(rI,1)];
    else
        quantiflag=[quantiflag;1];
        recvalue=[recvalue;quantifierMat(rI,2)];
    end
end
quantilist=[imptvalue(:,1),quantiflag,recvalue,imptvalue(:,2),imptvalue(:,3)];