# US 2014/0192898 A1 · Coding unit bit number limitation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192898 A1 - Document ID: US20140192898A1 - Status: Published application - Kind: A1 - Application number: 13/977,668 - Filed: 2013-03-28 - Published: 2014-07-10 - Earliest claimed: 2013-01-04 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Wenhao Zhang; Yi-Jen Chiu; Lingzhi Liu; Lidong Xu; Yu Han; Zhipin Deng; Xiaoxia Cai; Hong Jiang - Web page: https://patentgrep.com/patent/US20140192898A1 ## CPC - H04N 19/157: Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter - H04N 19/176: the region being a block, e.g. a macroblock - H04N 19/115: Selection of the code volume for a coding unit prior to coding - H04N 19/152: by measuring the fullness of the transmission buffer - H04N 19/184: the unit being bits, e.g. of the compressed video stream - H04N 19/426: using memory downsizing methods - H04N 19/46: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence) - H04N 19/132: Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking - H04N 19/136: Incoming video signal characteristics or properties - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Systems, devices and methods related to video coding including a coding unit bit number limitation are described. ## Claims ### Claim at position 1 1-50. (canceled) ### Claim 51 An apparatus, comprising: a video decoder to access a bitstream of compressed video data, the compressed video data including at least one coding unit of coded video data; the video decoder to determine a bit number limit associated with the coding unit, wherein to determine the bit number limit the video decoder is to multiply a raw data size of the coding unit by a factor of ( 5/3). ### Claim 52 (depends on 51) The apparatus of claim 51, further comprising: storage; wherein the video decoder is to determine a size of a buffer in the storage based at least in part on the determined bit number limit. ### Claim 53 (depends on 52) The apparatus of claim 52, wherein the video decoder is to store the coded video data in the buffer. ### Claim 54 A system, comprising: a video decoder to access a bitstream of compressed video data, the compressed video data including at least one coding unit of coded video data; the video decoder to determine a bit number limit associated with the coding unit, wherein to determine the bit number limit the video decoder is to multiply a raw data size of the coding unit by a factor of ( 5/3); and storage; wherein the video decoder is to determine a size of a buffer in the storage based at least in part on the determined bit number limit. ### Claim 55 (depends on 54) The system of claim 54, further comprising: a display, wherein the video decoder is to decode the at least one coding unit to generate decoded video data; and a processor to display the decoded video data on the display. ### Claim 56 (depends on 54) The system of claim 54, wherein the video decoder is to determine the raw data size by accessing at least one indicator in a syntax of the bitstream. ### Claim 57 (depends on 54) The system of claim 54, further comprising one or more radios to receive the bitstream. ### Claim 58 A method, comprising: accessing a bitstream of compressed video data, the compressed video data including at least one coding unit of coded video data; and determining a bit number limit associated with the coding unit, wherein determining the bit number limit includes multiplying a raw data size of the coding unit by a factor of ( 5/3). ### Claim 59 (depends on 58) The method of claim 58, further comprising determining a buffer size based at least in part on the determined bit number limit. ### Claim 60 (depends on 58) The method of claim 58, further comprising: decoding the at least one coding unit to generate decoded video data; and displaying the decoded video data. ### Claim 61 (depends on 58) The method of claim 58, wherein determining the raw data size comprises accessing at least one indicator in a syntax of the bitstream. ### Claim 62 At least one machine readable medium having stored thereon one or more instructions that, when executed by a computing device, causes the computing device to: access a bitstream of compressed video data, the compressed video data including at least one coding unit of coded video data; and determine a bit number limit associated with the coding unit, wherein to determine the bit number limit includes multiplying a raw data size of the coding unit by a factor of ( 5/3). ### Claim 63 (depends on 62) The at least one machine readable medium of claim 62, further having stored thereon one or more instructions that, when executed by the computing device, causes the computing device to determine a buffer size based at least in part on the determined bit number limit. ### Claim 64 (depends on 62) The at least one machine readable medium of claim 62, further having stored thereon one or more instructions that, when executed by the computing device, causes the computing device to: decode the at least one coding unit to generate decoded video data; and display the decoded video data. ### Claim 65 (depends on 62) The at least one machine readable medium of claim 62, wherein determining the raw data size comprises accessing at least one indicator in a syntax of the bitstream. ### Claim 66 An apparatus, comprising: a video encoder to generate at least one coding unit of coded video data, the video encoder to generate a bitstream including the at least one coding unit, the video encoder to generate syntax for the bitstream, wherein the syntax includes at least one indicator specifying a raw data size of the coding unit, wherein the indicator is to be accessed by a decoder so that the decoder may determine the raw data size and may allocate a buffer for buffering the coding unit wherein the buffer has a size of at least the raw data size multiplied by a factor of ( 5/3). ### Claim 67 (depends on 66) The apparatus of claim 66, further comprising one or more radios to transmit the bitstream.