BR112023020271A2 - Seleção de múltiplas transformadas dependentes de modo intra para codificação de vídeo - Google Patents
Seleção de múltiplas transformadas dependentes de modo intra para codificação de vídeoInfo
- Publication number
- BR112023020271A2 BR112023020271A2 BR112023020271A BR112023020271A BR112023020271A2 BR 112023020271 A2 BR112023020271 A2 BR 112023020271A2 BR 112023020271 A BR112023020271 A BR 112023020271A BR 112023020271 A BR112023020271 A BR 112023020271A BR 112023020271 A2 BR112023020271 A2 BR 112023020271A2
- Authority
- BR
- Brazil
- Prior art keywords
- current block
- modes
- video data
- mts
- selection
- Prior art date
Links
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
Classifications
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
-
- 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
- H04N19/169—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
- H04N19/176—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 block, e.g. a macroblock
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163173884P | 2021-04-12 | 2021-04-12 | |
| US202163223377P | 2021-07-19 | 2021-07-19 | |
| US17/658,803 US12615365B2 (en) | 2021-04-12 | 2022-04-11 | Intra-mode dependent multiple transform selection for video coding |
| PCT/US2022/071669 WO2022221829A1 (en) | 2021-04-12 | 2022-04-12 | Intra-mode dependent multiple transform selection for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023020271A2 true BR112023020271A2 (pt) | 2023-11-14 |
Family
ID=81579620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023020271A BR112023020271A2 (pt) | 2021-04-12 | 2022-04-12 | Seleção de múltiplas transformadas dependentes de modo intra para codificação de vídeo |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP4324197A1 (https=) |
| JP (1) | JP2024514081A (https=) |
| KR (1) | KR20230169959A (https=) |
| AU (1) | AU2022256539A1 (https=) |
| BR (1) | BR112023020271A2 (https=) |
| CA (1) | CA3210355A1 (https=) |
| CL (1) | CL2023002941A1 (https=) |
| CO (1) | CO2023012837A2 (https=) |
| IL (1) | IL304919A (https=) |
| MX (1) | MX2023011808A (https=) |
| WO (1) | WO2022221829A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120476594A (zh) * | 2022-12-22 | 2025-08-12 | 北京达佳互联信息技术有限公司 | 用于变换训练和编解码的方法和装置 |
| WO2025150797A1 (ko) * | 2024-01-08 | 2025-07-17 | 주식회사 엘엑스 세미콘 | 변환 기반 영상 코딩 방법 및 그 장치 |
| WO2025150798A1 (ko) * | 2024-01-08 | 2025-07-17 | 주식회사 엘엑스 세미콘 | 변환 기반 영상 코딩 방법 및 그 장치 |
| WO2025159493A1 (ko) * | 2024-01-22 | 2025-07-31 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| TW202541498A (zh) * | 2024-04-09 | 2025-10-16 | 美商高通公司 | 用於視訊寫碼之合併框內預測資料 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10972733B2 (en) * | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| KR20250078609A (ko) * | 2019-05-08 | 2025-06-02 | 엘지전자 주식회사 | Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
-
2022
- 2022-04-12 JP JP2023559794A patent/JP2024514081A/ja active Pending
- 2022-04-12 CA CA3210355A patent/CA3210355A1/en active Pending
- 2022-04-12 WO PCT/US2022/071669 patent/WO2022221829A1/en not_active Ceased
- 2022-04-12 KR KR1020237033959A patent/KR20230169959A/ko active Pending
- 2022-04-12 AU AU2022256539A patent/AU2022256539A1/en active Pending
- 2022-04-12 EP EP22720899.8A patent/EP4324197A1/en active Pending
- 2022-04-12 MX MX2023011808A patent/MX2023011808A/es unknown
- 2022-04-12 BR BR112023020271A patent/BR112023020271A2/pt unknown
- 2022-04-12 IL IL304919A patent/IL304919A/en unknown
-
2023
- 2023-09-28 CO CONC2023/0012837A patent/CO2023012837A2/es unknown
- 2023-10-02 CL CL2023002941A patent/CL2023002941A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024514081A (ja) | 2024-03-28 |
| CO2023012837A2 (es) | 2023-10-19 |
| AU2022256539A1 (en) | 2023-08-24 |
| EP4324197A1 (en) | 2024-02-21 |
| IL304919A (en) | 2023-10-01 |
| WO2022221829A1 (en) | 2022-10-20 |
| MX2023011808A (es) | 2023-10-12 |
| CA3210355A1 (en) | 2022-10-20 |
| CL2023002941A1 (es) | 2024-03-08 |
| KR20230169959A (ko) | 2023-12-18 |
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