METHOD FOR DECISION CENTRAL VALUE OF QUANTIZER IN MOVING IMAGE ENDING SYSTEM51 H 04 N 7/24

摘要

The representative value determinating method of the present invention is comprised of finding a Laplacian probability distribution with respect to transforming coefficients; finding a representative value such that a mean square error between the coefficient having a probability distribution and a representative value which the coefficient would have between a predetermined two threshold values, is minimized, based on a formula 1. Here, ri in the formula stands for the representative value, ti and ti+1 standing for the threshold value and O being a variable which stands for the degree of smoothness of the probability distribution.