Patent ID: 9621867
Date: 2017-04-11
CPC Classifications: H04N

Claim:
1. A decoding device comprising: a receiver to acquire transmission information including first color-difference format information, second color-difference format information, encoded data, and filter information, the first color-difference format information indicating a resolution of a color-difference component of the encoded data, the second color-difference format information indicating a resolution of a color-difference component used when reproducing a decoded image obtained by decoding the encoded data, the filter information indicating a configuration of a filter, the resolution of the color-difference component of each of the first color-difference format information and the second color-difference format information indicating a color-difference format of a 4:4:4 format, a 4:2:2 format, or a 4:2:0 format; a decoder to decode the encoded data to obtain a decoded image; and a converter to convert a color-difference format of the decoded image by using a filter wherein: the filter information includes a filter index, and the converter selects a filter including at least one of a horizontal sampling filter and a vertical sampling filter from predetermined filters in accordance with the filter index, the first color-difference format information, and the second color-difference format information.