JP2025508699A - コンテキストベース算術コーディング用の時間初期化点 - Google Patents
コンテキストベース算術コーディング用の時間初期化点 Download PDFInfo
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- JP2025508699A JP2025508699A JP2024547598A JP2024547598A JP2025508699A JP 2025508699 A JP2025508699 A JP 2025508699A JP 2024547598 A JP2024547598 A JP 2024547598A JP 2024547598 A JP2024547598 A JP 2024547598A JP 2025508699 A JP2025508699 A JP 2025508699A
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- slice
- temporal
- picture
- value
- initialization points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202263268844P | 2022-03-03 | 2022-03-03 | |
| US63/268,844 | 2022-03-03 | ||
| US202263362118P | 2022-03-29 | 2022-03-29 | |
| US63/362,118 | 2022-03-29 | ||
| US18/176,863 | 2023-03-01 | ||
| US18/176,863 US12581092B2 (en) | 2022-03-03 | 2023-03-01 | Temporal initialization points for context-based arithmetic coding |
| PCT/US2023/014372 WO2023167997A1 (en) | 2022-03-03 | 2023-03-02 | Temporal initialization points for context-based arithmetic coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2025508699A true JP2025508699A (ja) | 2025-04-10 |
| JP2025508699A5 JP2025508699A5 (https=) | 2026-02-10 |
Family
ID=85726154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024547598A Pending JP2025508699A (ja) | 2022-03-03 | 2023-03-02 | コンテキストベース算術コーディング用の時間初期化点 |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP4487567A1 (https=) |
| JP (1) | JP2025508699A (https=) |
| KR (1) | KR20240159895A (https=) |
| AU (1) | AU2023229266A1 (https=) |
| CA (1) | CA3242962A1 (https=) |
| CL (1) | CL2024002599A1 (https=) |
| CO (1) | CO2024011191A2 (https=) |
| IL (1) | IL313523A (https=) |
| MX (1) | MX2024010522A (https=) |
| TW (1) | TW202344051A (https=) |
| WO (1) | WO2023167997A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12581092B2 (en) | 2022-03-03 | 2026-03-17 | Qualcomm Incorporated | Temporal initialization points for context-based arithmetic coding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150334425A1 (en) * | 2014-05-14 | 2015-11-19 | Blackberry Limited | Adaptive context initialization |
| EP4568247A3 (en) * | 2018-03-29 | 2025-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for enhancing parallel coding capabilities |
-
2023
- 2023-03-02 KR KR1020247028827A patent/KR20240159895A/ko active Pending
- 2023-03-02 MX MX2024010522A patent/MX2024010522A/es unknown
- 2023-03-02 EP EP23712994.5A patent/EP4487567A1/en active Pending
- 2023-03-02 IL IL313523A patent/IL313523A/en unknown
- 2023-03-02 TW TW112107560A patent/TW202344051A/zh unknown
- 2023-03-02 CA CA3242962A patent/CA3242962A1/en active Pending
- 2023-03-02 AU AU2023229266A patent/AU2023229266A1/en active Pending
- 2023-03-02 WO PCT/US2023/014372 patent/WO2023167997A1/en not_active Ceased
- 2023-03-02 JP JP2024547598A patent/JP2025508699A/ja active Pending
-
2024
- 2024-08-20 CO CONC2024/0011191A patent/CO2024011191A2/es unknown
- 2024-08-30 CL CL2024002599A patent/CL2024002599A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20240159895A (ko) | 2024-11-07 |
| AU2023229266A1 (en) | 2024-07-11 |
| IL313523A (en) | 2024-08-01 |
| EP4487567A1 (en) | 2025-01-08 |
| CA3242962A1 (en) | 2025-01-16 |
| TW202344051A (zh) | 2023-11-01 |
| MX2024010522A (es) | 2024-09-06 |
| CO2024011191A2 (es) | 2024-08-30 |
| WO2023167997A1 (en) | 2023-09-07 |
| CL2024002599A1 (es) | 2024-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20260202 |
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| A621 | Written request for application examination |
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