Encoding device for encoding image data coding method to encode image data, device for decoding to decode encoded data in which image data were coded, method of decoding to decode encoded data where data The image was encrypted, and the transmission system

摘要

Encoding device for encoding image data coding method to encode image data, device for decoding to decode encoded data in which image data were coded, method of decoding to decode encoded data where data The image was encrypted, and the transmission system.A method and device for encoding, a method and device for decoding, and a transmission system to enable the reception output data image that is encoded by the compression and transmitted in a short time as a decoded picture.To perform conversion of small wave, a filtering processing of each line is performed in units of lines in which a line of coefficient data in the lowest band component is created.The first to seventh lines are subjected to the first processing of filtering, a resolution level = 1, the coefficient C1, C2 and C3 coefficient, coefficient of the high band component, and the coefficient Ca, CB and CC coefficient, coefficient of the low band component are created.At a resolution level = 2, the coefficient C4 of the high band component and coefficient C5 of the low band component are created from coefficient Ca, CB and CC coefficient, coefficient. These coefficients are rearranged from the low band to the high band and supplied to a filter combination.The filter performs filtering processing of the combination of the coefficients so as to provide for creating and delivering image data.