OPTIMAL BIT ALLOCATION IN THE PARAUNITARY SUBBAND IMAGE CODER BASED ON THE QUATERNION ALGEBRA
Nick A. Petrovsky · DOAJ (DOAJ: Directory of Open Access Journals) · 2019
The problem of bit allocation in the context of the tree structure 2D paraunitary filter bank based on the quaternion algebra, i.e. 4-band packet wavelet transform, is considered. It was shown that the bit allocation is optimal if the quantizers error variances in the encoder channels are equaled.