Patent ID: 11930187
Assignee: TENCENT AMERICA LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. An apparatus for performing intra prediction of a current block of a picture of a video sequence, the apparatus comprising:
at least one memory configured to store computer program code; and
at least one processor configured to access the at least one memory and operate according to the computer program code, the computer program code comprising:
receiving code configured to cause the at least one processor to receive video data including a source video sequence; and
encoding code configured to cause the at least one processor to encode pictures of the source video sequence into a coded video sequence, wherein the encoding code comprises:
first setting code configured to cause the at least one processor to set a first flag indicating whether a first flag indicates that an intra prediction mode corresponding to the current block is a directional mode;
second setting code configured to cause the at least one processor to, based on the first flag indicating that the intra prediction mode corresponding to the current block is the directional mode, setting a second flag indicating whether the intra prediction mode is a decoder side intra mode derivation (DIMD) mode; and
first performing code configured to cause the at least one processor to, based on the second flag not indicating that the intra prediction mode is the DIMD mode, set a third flag indicating an index of the intra prediction mode in an allowed intra prediction modes (AIPM) list and perform the intra prediction of the current block, using the intra prediction mode corresponding to the third flag.