Patent ID: 7991054
Filing Date: 2011-08-02
Classification: H04N

Abstract:
1. An apparatus for processing informational signal in which a first informational signal comprised of multiple items of informational data, said first informational signal being obtained by decoding an encoded informational digital signal, is converted into a second informational signal comprised of multiple items of informational data, the apparatus comprising: data selection means for selecting multiple items of first informational data positioned in a periphery of a target position in the second informational signal, based on the first informational signal; class detection means for detecting a class to which informational data of the target position belongs, based on the multiple items of first informational data selected by the data selection means; correction data generation means for generating correction data for correcting an encoding noise, said correction data corresponding to the class detected by the class detection means; and correction means for performing correction processing by use of the correction data generated by the correction data generation means on second informational data among the multiple items of informational data that constitute the first informational signal, said second informational data corresponding to the target position in the second informational signal, to obtain informational data of the target position in the second informational signal.