Two Dimension Direct Restruction
Y=upcoef2(type,x,wname,[N],[S]) Y=upcoef2(type,x,Lo_R,Hi_R,[N],[S])
upcoef2 is for upward two dimension reconstruction from any desired input matrix.
x=rand(100,100); [cA,cH,cV,cD]=dwt2(x,'db2'); Y=upcoef2('a',cA,'db2',1); Z=upcoef2('h',cH,'db2',3);
Roger Liu and Isaac Zhi