Adaptive mean estimation and normalization of data

A method of normalizing a data set of data element values, comprising:

• selecting a form of a statistical distribution of a probability density function for each data element of the data set based on the value of that data element;
• estimating a mean of the probability density function of each data element by an analog digital processing technique;
• and
• processing each data element value based on the estimated mean of the probability density function of that data element to normalize each data element value, producing a normalized data set.

A method of determining a mean for a data set of data element values, comprising:

• selecting a form of a probability density function statistical distribution for each data element based on the value of that data element;
• estimating a mean of the probability density function of each data element by a digital processing technique;
• and
• designating as the mean of each data element the probability density function mean that was estimated for that data element.

A method of determining a mean for a data set of data element values, comprising:

• selecting a form of a probability density function statistical distribution for each data element based on the value of that data element;
• estimating a mean of the probability density function of each data element by an analog processing technique;
• and
• designating as the mean of each data element the probability density function mean that was estimated for that data element.