A fast computational approach to the design of block quantization
Kou-Hu Tzou · IEEE Transactions on Acoustics Speech and Signal Processing · 1987
The computational approach to bit allocation based on marginal analysis has been found to achieve performance superior to that of the rate-distortion theoretic approach. However, the computational complexity of marginal analysis is also much higher. A fast computational method is proposed to reduce the heavy computational burden. This new method also takes into account the non-Shannon quantization error of the scalar quantizer.