# US 2018/0324420 A1 · Systems and methods for coding in super-block based video coding framework > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324420 A1 - Document ID: US20180324420A1 - Status: Published application - Kind: A1 - Application number: 15/775,114 - Filed: 2015-11-10 - Published: 2018-11-08 - Earliest claimed: 2015-11-10 - Assignees: Vid Scale, Inc. - Applicants: Vid Scale, Inc. - Inventors: Miaohui WANG; Yuwen HE; Yan YE; Xiaoyu XIU - Web page: https://patentgrep.com/patent/US20180324420A1 ## CPC - H04N 19/119: Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks - H04N 19/103: Selection of coding mode or of prediction mode - H04N 19/14: Coding unit complexity, e.g. amount of activity or edge presence estimation (H04N19/146 takes precedence) - H04N 19/147: according to rate distortion criteria (rate-distortion as a criterion for motion estimation H04N19/567) - H04N 19/174: the region being a slice, e.g. a line of blocks or a group of blocks - H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Systems and methods are provided for video coding (e.g., encoding and/or decoding). A coding device may include a processor. The processor may be configured to receive a video frame and partition the video frame into a super coding units (SCUs). The processor may be configured to partition each of the SCUs into coding tree units (CTUs) based on a coding mode. ## Claims ### Claim 1 A coding device comprising: a processor configured to: receive a partition mode indicator indicating at least one of a first partition mode or a second partition mode for decoding a super coding unit (SCU), wherein the first partition mode indicates that the SCU is to be partitioned into N×N equally sized sub-blocks, and wherein N is greater than or equal to 2; receive the SCU; determine a partition mode for decoding the SCU based on the partition mode indicator; and decode the SCU based on the partition mode. ### Claim 2 (depends on 1) The coding device of claim 1, wherein the processor is further configured to: determine that the partition mode is the first partition mode; and partition the SCU into equally sized sub-blocks based on determining that the partition mode is the first partition mode. ### Claim 3 (depends on 2) The coding device of claim 2, wherein a number of the equally sized sub-blocks comprises a number indicated in a signal, and wherein the signal is received before the partition mode indicator is received. ### Claim 4 (depends on 1) The coding device of claim 1, wherein the processor is further configured to: determine that the partition mode is the second partition mode; and partition the SCU into variably sized sub-blocks based on determining that the partition mode is the second partition mode. ### Claim 5 (depends on 1) The coding device of claim 1, wherein the processor is further configured to: determine that the partition mode is the first partition mode; and determine at least one of a maximum width of a super-block, a maximum height of a super-block, a depth of minimum coding unit (MCU) relative to the SCU, or a depth of a Coding Tree Unit (CTU) relative to the SCU. ### Claim 6 (depends on 1) The coding device of claim 1, wherein the second partition mode indicates that the SCU is to be partitioned into variably sized sub-blocks based on additional signaling. ### Claim 7 A method comprising: receiving a partition mode indicator indicating at least one of a first partition mode or a second partition mode for a super coding unit (SCU), wherein the first partition mode indicates that the SCU is to be partitioned into N×N equally sized sub-blocks, and wherein N is greater than or equal to 2; receiving the SCU; determining a partition mode for the SCU based on the partition mode indicator; and decoding the SCU based on the partition mode. ### Claim 8 (depends on 7) The method of claim 7, further comprising: determining that the partition mode is the first partition mode; and partitioning the SCU into equally sized sub-blocks based on determining that the partition mode is the first partition mode. ### Claim 9 (depends on 8) The method of claim 8, further comprising receiving a signal before the partition mode indicator is received, wherein the signal indicates that a number of the equally sized sub-blocks comprises a number indicated in the signal. ### Claim 10 (depends on 7) The method of claim 7, further comprising: determining that the partition mode is the second partition mode; and partitioning the SCU into variably sized sub-blocks based on determining that the partition mode is the second partition mode. ### Claim 11 (depends on 7) The method of claim 7, further comprising: determining that the partition mode is the first partition mode; and determining at least one of a maximum width of a super-block, a maximum height of a super-block, a depth of minimum coding unit (MCU) relative to the SCU, or a depth of a Coding Tree Unit (CTU) relative to the SCU. ### Claim 12 (depends on 7) The method of claim 7, wherein the second partition mode indicates that the SCU is to be partitioned into variably sized sub-blocks based on additional signaling. ### Claim 13 A coding device comprising: a processor configured to: receive a video frame comprising a plurality of super coding units (SCUs); for an SCU from among the plurality of SCUs, select a partition mode from among a plurality of partition modes, wherein a first partition mode from among the plurality of partition modes indicates that the SCU is to be partitioned into N×N equally sized sub-blocks, wherein N is greater than or equal to 2, and wherein a second partition mode from among the plurality of partition modes indicates that the SCU is to be partitioned into variably sized sub-blocks; partition the SCU into a plurality of sub-blocks based on the selected partition mode; and encode the SCU and an indication of the ceding partition mode. ### Claim 14 (depends on 13) The coding device of claim 13, wherein the processor configured to select the partition mode from among the plurality of partition modes comprises the processor configured to select the partition mode based on at least one of block complexity, rate distortion analysis, a rate distortion cost, or whether the SCU comprises a homogenous region. ### Claim 15 (depends on 13) The coding device of claim 13, wherein the processor is further configured to determine that the video frame comprises a complex region and, based on determining that the video frame comprises the complex region, selecting the first partition mode. ### Claim 16 (depends on 15) The coding device of claim 15, wherein the processor is further configured to transmit a signal that indicates a number of the equally sized sub-blocks. ### Claim 17 (depends on 13) The coding device of claim 13, wherein the processor is further configured to determine that the video frame comprises a homogenous region and, based on determining that the video frame comprises the homogenous region, selecting the second partition mode. ### Claim 18 (canceled) ### Claim 19 (canceled) ### Claim 20 (depends on 16) The coding device of claim 16, wherein the processor is further configured to transmit the indication of the partition mode. ### Claim 21 (depends on 20) The coding device of claim 20, wherein the processor is further configured to transmit the signal that indicates the number of the equally sized sub-blocks before transmitting the indication of the partition mode. ### Claim 22 (depends on 13) The coding device of claim 13, wherein the processor is further configured to transmit the indication of the partition mode.