treemat.asv

改进版ezw编码

function tree_p=treeMat(r,c)	
global row col
if (r==1)&&(c==1)
    tp1=[1,2;2,1;2,2];
    tree_p=[tp1;treeMat(1,2);treeMat(2,1);treeMat(2,2)];
else
    tp=[2*r-1,2*c-1;2*r-1,2*c;2*r,2*c-1;2*r,2*c];
    tm1=[];tm2=[];tm3=[];tm4=[];
    if (tp(4,1)<=row/2)&&(tp(4,2)<=col/2)
        t1=treeMat(tp(1,1),tp(1,2));
        tm1=[tm1;t1];
        t2=treeMat(tp(2,1),tp(2,2));
        tm2=[tm2;t2];
        t3=treeMat(tp(3,1),tp(3,2));
        tm3=[tm3;t3];
        t4=treeMat(tp(4,1),tp(4,2));
        tm4=[tm4;t4];
    end
    tree_p=[tp;tm1;tm2;tm3;tm4];
end