[C,S] = wavedec2(X,N,'wname') [C,S] = wavedec2(X,N,Lo_D,Hi_D)
反过来,已知小波综合滤波器系数,计算反小波变换,只需
X = waverec2(C,S,'wname') X = waverec2(C,S,Lo_R,Hi_R)
[C,S] = wavedec2(X,N,'wname') [C,S] = wavedec2(X,N,Lo_D,Hi_D)
反过来,已知小波综合滤波器系数,计算反小波变换,只需
X = waverec2(C,S,'wname') X = waverec2(C,S,Lo_R,Hi_R)