Image compression by rectangular wavelet transform

Vyacheslav Zavadsky

We study image compression by a separable wavelet basis $\{\psi (2^{k_1}x-i)\psi (2^{k_2}y-j),$ $\varphi (x-i)\psi (2^{k_2}y-j),$ $\psi (2^{k_1}(x-i)\varphi (y-j),$ $\varphi (x-i)\varphi (y-i)\},$ where $k_1, k_2 \in…