# US 12,010,322 B2 · Method and apparatus for processing video signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,322 B2 - Document ID: US12010322B2 - Status: Granted - Kind: B2 - Application number: 18/120,558 - Filed: 2023-03-13 - Published: 2023-07-13 - Granted: 2024-06-11 - Earliest claimed: 2017-02-24 - Assignees: Kt Corporation - Applicants: Kt Corporation - Inventors: Bae Keun Lee - Web page: https://patentgrep.com/patent/US12010322B2 ## CPC - H04N 19/137: Motion inside a coding unit, e.g. average field, frame or block difference - H04N 19/523: with sub-pixel accuracy - H04N 19/103: Selection of coding mode or of prediction mode - H04N 19/105: Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction - H04N 19/122: Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type - H04N 19/139: Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability - H04N 19/172: the region being a picture, frame or field - H04N 19/174: the region being a slice, e.g. a line of blocks or a group of blocks - H04N 19/176: the region being a block, e.g. a macroblock - H04N 19/30: using hierarchical techniques, e.g. scalability (H04N19/63 takes precedence) - H04N 19/52: by predictive encoding - H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards - H04N 19/119: Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks - H04N 19/96: Tree coding, e.g. quad-tree coding - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract The present invention is related to processing a video signal. A method for decoding a video according to the present invention may comprise checking a merge coding unit which is generated by merging a plurality of coding units neighboring each other based on an encoded syntax element, and decoding the checked merge coding unit, wherein a same motion vector is shared in the merge coding unit. ## Claims ### Claim 1 A method of decoding an image, comprising: dividing, based on a tree-based division, a coding block to determine a current block, the tree-based division including at least one of a quad division, a binary division, or a triple division; and decoding the current block based on intra prediction or inter prediction, wherein the triple division is a division type of dividing a first coding block into three second coding blocks, wherein one of the three second coding blocks has a size greater than a size of the other two of the three second coding blocks, wherein the largest second coding block is located between the other two of the three second coding blocks, wherein, with respect to the binary division for the at least one of the three second coding blocks, it is restricted so as not to be divided in a same division direction as a division direction of the triple division for the first coding block, and wherein the restriction is applied only to the largest second coding block among the three second coding blocks. ### Claim 2 (depends on 1) The method of claim 1, wherein a size of the largest second coding block is twice a size of the other two of the three second coding blocks. ### Claim 3 (depends on 1) The method of claim 1, wherein at least one of the three second coding blocks to which the binary division is applied is further divided into two third coding blocks based on first information signaled from a bitstream, and wherein the second information indicates whether the division direction is a vertical direction or a horizontal direction. ### Claim 4 (depends on 3) The method of claim 3, wherein the current block is further divided, based on an additional binary division with asymmetric division, into two partitions. ### Claim 5 (depends on 4) The method of claim 4, wherein a shape of the two partitions is determined based on second information indicating which one among the two partitions have a size greater than the other, and wherein the second information is signaled from the bitstream. ### Claim 6 (depends on 4) The method of claim 4, wherein the additional binary division is performed only when the current block is not divided into smaller coding blocks based on the tree-based division. ### Claim 7 A method of encoding an image, comprising: dividing, based on a tree-based division, a coding block to determine a current block, the tree-based division including at least one of a quad division, a binary division, or a triple division; and encoding the current block based on intra prediction or inter prediction, wherein the triple division is a division type of dividing a first coding block into three second coding blocks, wherein one of the three second coding blocks has a size greater than a size of the other two of the three second coding blocks, wherein the largest second coding block is located between the other two of the three second coding blocks, wherein, with respect to the binary division for the at least one of the three second coding blocks, it is restricted so as not to be divided in a same division direction as a division direction of the triple division for the first coding block, and wherein the restriction is applied only to the largest second coding block among the three second coding blocks. ### Claim 8 A non-transitory computer-readable medium for storing data associated with an image signal, comprising: a data stream stored in the non-transitory computer-readable medium, the data stream being encoded by an encoding method comprising: dividing, based on a tree-based division, a coding block to determine a current block, the tree-based division including at least one of a quad division, a binary division, or a triple division; and encoding the current block based on intra prediction or inter prediction, wherein the triple division is a division type of dividing a first coding block into three second coding blocks, wherein one of the three second coding blocks has a size greater than a size of the other two of the three second coding blocks, wherein the largest second coding block is located between the other two of the three second coding blocks, wherein, with respect to the binary division for the at least one of the three second coding blocks, it is restricted so as not to be divided in a same division direction as a division direction of the triple division for the first coding block, and wherein the restriction is applied only to the largest second coding block among the three second coding blocks.