US 11,659,172 B2
Image encoding/decoding method and device for signaling chroma component prediction information according to whether palette mode is applicable, and method for transmitting bitstream
Hyeong Moon Jang, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jan. 21, 2022, as Appl. No. 17/581,432.
Application 17/581,432 is a continuation of application No. PCT/KR2020/009618, filed on Jul. 21, 2020.
Claims priority of provisional application 62/876,766, filed on Jul. 21, 2019.
Prior Publication US 2022/0174274 A1, Jun. 2, 2022
Int. Cl. H04N 19/176 (2014.01); H04N 19/186 (2014.01); H04N 19/11 (2014.01); H04N 19/119 (2014.01); H04N 19/136 (2014.01); H04N 19/169 (2014.01)
CPC H04N 19/11 (2014.11) [H04N 19/119 (2014.11); H04N 19/136 (2014.11); H04N 19/176 (2014.11); H04N 19/186 (2014.11); H04N 19/1883 (2014.11)] 12 Claims
OG exemplary drawing
 
1. An image decoding method performed by an image decoding apparatus, the image decoding method comprising:
determining a current block by splitting an image;
identifying whether a palette mode is applied for the current block, based on a palette mode flag obtained from a bitstream;
obtaining palette mode encoding information of the current block from the bitstream, based on a tree type of the current block and whether the palette mode is applied for the current block; and
obtaining chroma component prediction information of the current block from the bitstream, based on the palette mode being not applied for the current block,
wherein the chroma component prediction information is information for cross-component linear model (CCLM) prediction or chroma component intra prediction information.