Patent ID: 8023045

Claim:
A data processing method of a storage device detachably loaded in a data processing apparatus, the storage device having tap generation information storage means for storing tap generation information for generating a tap coefficient for each predetermined class for a data conversion process of converting first data into second data higher in quality level than the first data, the data processing method comprising: a tap coefficient generation step of generating the tap coefficient from the tap generation information under the control of the data processing apparatus; a predictive tap extraction step of extracting, from the first data supplied from the data processing apparatus, a predictive tap for use in the prediction of target data which is of interest in the second data; a class tap extraction step of extracting, from the first data supplied from the data processing apparatus, a class tap for use in the class classification that classifies the target data into one of a plurality of classes; a class classification step of classifying the target data into classes based on the class tap; and a prediction step of predicting the target data from the tap coefficient and the predictive tap of the class of the target data, and supplying the target data to the data processing apparatus.