FIELD: video technology.
SUBSTANCE: invention relates to the field of video encoding/decoding. A video encoding/decoding device is proposed, which includes a processing scheme that decodes the encoded information of the encoding unit (CU) from the bit stream of the encoded video. The encoded information indicates the last position of the non-zero conversion coefficients of the first coding block (CB) from the CU. The processing scheme determines whether the index of the secondary transformation in the encoded information is signaled, based on the last position, and whether to carry out the secondary transformation on the second CB, based on whether the index of the secondary transformation in the encoded information is signaled. When it is determined that a secondary transformation is to be carried out, the processing scheme performs a secondary transformation on the second CB and reconstructs the second CB. In response to the determination that the secondary transformation is not subject to implementation, the processing scheme reconstructs the second CB without performing a secondary transformation on the second CB.
EFFECT: an increase in encoding efficiency through internal prediction and, consequently, the entropy encoding technology used to translate code words into a bitstream.
8 cl, 39 dwg, 3 tbl
