# US 12,114,019 B2 · Systems and methods for signaling general constraint information in video coding

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- Number: US 12,114,019 B2
- Document ID: US12114019B2
- Status: Granted
- Kind: B2
- Application number: 18/378,722
- Filed: 2023-10-11
- Published: 2024-02-08
- Granted: 2024-10-08
- Earliest claimed: 2020-05-20
- Assignees: Sharp Kabushiki Kaisha
- Applicants: Sharp Kabushiki Kaisha
- Inventors: Jonatan Samuelsson; Sachin G. Deshpande; Christopher Andrew Segall
- Web page: https://patentgrep.com/patent/US12114019B2

## CPC

- H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards
- H04N 19/184: the unit being bits, e.g. of the compressed video stream
- H04N 19/1883: {the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]}
- H04N 19/46: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A device may be configured to general constraint information according to one or more of the techniques described herein.

## Claims

### Claim 1

A device comprising one or more processors configured to:
receive a general constraints information syntax structure;
parse an 8-bit syntax element in the general constraints information syntax structure, wherein the 8-bit syntax element specifies a number of additional general constraints information flags in the general constraints information syntax structure;
parse the additional general constraints information flags in the general constraints information syntax structure, in a case that a value of the 8-bit syntax element is greater than a predetermined value; and
parse a reserved bits syntax element in the general constraints information syntax structure based on the value of the 8-bit syntax element.

### Claim 2 (depends on 1)

The device of claim 1, wherein the device includes a video decoder.

### Claim 3

A method of decoding video data, the method comprising:
receiving a general constraints information syntax structure;
parsing an 8-bit syntax element in the general constraints information syntax structure, wherein the 8-bit syntax element specifies a number of additional general constraints information flags in the general constraints information syntax structure;
parsing the additional general constraints information flags in the general constraints information syntax structure, in a case that a value of the 8-bit syntax element is greater than a predetermined value; and
parsing a reserved bits syntax element in the general constraints information syntax structure based on the value of the 8-bit syntax element.

### Claim 4

A method of encoding video data, the method comprising:
signaling a general constraints information syntax structure;
wherein the general constraints information syntax structure includes:
(i) an 8-bit syntax element, wherein the 8-bit syntax element specifying a number of additional general constraints information flags in the general constraints information syntax structure;
(ii) the additional general constraints information flags, in a case that a value of the 8-bit syntax element is greater than a predetermined value; and
(iii) a reserved bits syntax element based on the value of the 8-bit syntax element.