DK3707898T3 - Valg af transformation i en videokoder og/eller videoafkoder - Google Patents
Valg af transformation i en videokoder og/eller videoafkoder Download PDFInfo
- Publication number
- DK3707898T3 DK3707898T3 DK19744635.4T DK19744635T DK3707898T3 DK 3707898 T3 DK3707898 T3 DK 3707898T3 DK 19744635 T DK19744635 T DK 19744635T DK 3707898 T3 DK3707898 T3 DK 3707898T3
- Authority
- DK
- Denmark
- Prior art keywords
- video
- transformation
- selection
- video encoder
- video decoder
- Prior art date
Links
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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
-
- 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
- H04N19/103—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
- H04N19/134—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
- H04N19/176—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
- H04N19/10—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
- H04N19/186—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 a colour or a chrominance component
-
- 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
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862697484P | 2018-07-13 | 2018-07-13 | |
| PCT/EP2019/068548 WO2020011860A1 (en) | 2018-07-13 | 2019-07-10 | Transform selection in a video encoder and/or video decoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK3707898T3 true DK3707898T3 (da) | 2021-05-03 |
Family
ID=67439185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK19744635.4T DK3707898T3 (da) | 2018-07-13 | 2019-07-10 | Valg af transformation i en videokoder og/eller videoafkoder |
Country Status (14)
| Country | Link |
|---|---|
| US (3) | US11218716B2 (da) |
| EP (2) | EP3707898B1 (da) |
| JP (1) | JP6934572B2 (da) |
| KR (1) | KR102226462B1 (da) |
| CN (1) | CN111567041B (da) |
| BR (1) | BR112020012295A2 (da) |
| CA (1) | CA3090207C (da) |
| CL (1) | CL2020001785A1 (da) |
| DK (1) | DK3707898T3 (da) |
| ES (1) | ES2864670T3 (da) |
| MX (1) | MX2020006114A (da) |
| PH (1) | PH12020551004A1 (da) |
| PL (1) | PL3707898T3 (da) |
| WO (1) | WO2020011860A1 (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020011860A1 (en) | 2018-07-13 | 2020-01-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Transform selection in a video encoder and/or video decoder |
| CN118175335A (zh) | 2019-10-29 | 2024-06-11 | Lg电子株式会社 | 图像解码和编码方法、发送数据的方法及存储介质 |
| MX2022005105A (es) | 2019-10-29 | 2022-08-04 | Lg Electronics Inc | Metodo de codificacion de imagenes a base de transformacion y aparato para el mismo. |
| WO2021134635A1 (zh) * | 2019-12-31 | 2021-07-08 | Oppo广东移动通信有限公司 | 变换方法、编码器、解码器以及存储介质 |
| WO2022220546A1 (ko) * | 2021-04-12 | 2022-10-20 | 엘지전자 주식회사 | 저주파 비분리 변환 설계 방법 및 장치 |
| WO2024044404A1 (en) * | 2022-08-26 | 2024-02-29 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices using intra block copy for video coding |
| US20240187620A1 (en) * | 2022-10-20 | 2024-06-06 | Tencent America LLC | Transform selection through block matching |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994022108A1 (en) * | 1993-03-23 | 1994-09-29 | Zoran Corporation | Rapid thumbnail image reconstruction of dct compressed image data |
| US7751478B2 (en) | 2005-01-21 | 2010-07-06 | Seiko Epson Corporation | Prediction intra-mode selection in an encoder |
| KR101756843B1 (ko) | 2011-06-28 | 2017-07-11 | 삼성전자주식회사 | 휘도 성분 영상을 이용한 색차 성분 영상의 예측 방법 및 예측 장치 |
| US8929455B2 (en) * | 2011-07-01 | 2015-01-06 | Mitsubishi Electric Research Laboratories, Inc. | Method for selecting transform types from mapping table for prediction modes |
| RU2626013C1 (ru) | 2011-10-19 | 2017-07-21 | Кт Корпорейшен | Способ декодирования видеосигнала |
| WO2013109898A1 (en) | 2012-01-19 | 2013-07-25 | Futurewei Technologies, Inc. | Reference pixel reduction for intra lm prediction |
| CN104322064A (zh) | 2012-04-16 | 2015-01-28 | 韩国电子通信研究院 | 编码方法和解码方法以及使用其的设备 |
| US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US20160286241A1 (en) * | 2015-03-24 | 2016-09-29 | Nokia Technologies Oy | Apparatus, a method and a computer program for video coding and decoding |
| US10491922B2 (en) | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| US10972733B2 (en) * | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10728548B2 (en) * | 2017-04-04 | 2020-07-28 | Futurewei Technologies, Inc. | Processing reference samples used for intra-prediction of a picture block |
| US10623738B2 (en) * | 2017-04-06 | 2020-04-14 | Futurewei Technologies, Inc. | Noise suppression filter |
| WO2020011860A1 (en) | 2018-07-13 | 2020-01-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Transform selection in a video encoder and/or video decoder |
-
2019
- 2019-07-10 WO PCT/EP2019/068548 patent/WO2020011860A1/en unknown
- 2019-07-10 EP EP19744635.4A patent/EP3707898B1/en active Active
- 2019-07-10 ES ES19744635T patent/ES2864670T3/es active Active
- 2019-07-10 PL PL19744635T patent/PL3707898T3/pl unknown
- 2019-07-10 EP EP21155559.4A patent/EP3843395A1/en active Pending
- 2019-07-10 US US16/637,967 patent/US11218716B2/en active Active
- 2019-07-10 CN CN201980007567.2A patent/CN111567041B/zh active Active
- 2019-07-10 BR BR112020012295-5A patent/BR112020012295A2/pt unknown
- 2019-07-10 JP JP2020532969A patent/JP6934572B2/ja active Active
- 2019-07-10 MX MX2020006114A patent/MX2020006114A/es unknown
- 2019-07-10 DK DK19744635.4T patent/DK3707898T3/da active
- 2019-07-10 CA CA3090207A patent/CA3090207C/en active Active
- 2019-07-10 KR KR1020207019221A patent/KR102226462B1/ko active IP Right Grant
-
2020
- 2020-06-15 PH PH12020551004A patent/PH12020551004A1/en unknown
- 2020-07-02 CL CL2020001785A patent/CL2020001785A1/es unknown
-
2021
- 2021-11-19 US US17/531,128 patent/US11627329B2/en active Active
-
2023
- 2023-03-28 US US18/127,359 patent/US11882302B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CL2020001785A1 (es) | 2020-10-09 |
| EP3843395A1 (en) | 2021-06-30 |
| BR112020012295A2 (pt) | 2020-11-24 |
| EP3707898A1 (en) | 2020-09-16 |
| EP3707898B1 (en) | 2021-03-17 |
| CA3090207A1 (en) | 2020-01-16 |
| US20200186815A1 (en) | 2020-06-11 |
| ES2864670T3 (es) | 2021-10-14 |
| CN111567041A (zh) | 2020-08-21 |
| JP6934572B2 (ja) | 2021-09-15 |
| KR102226462B1 (ko) | 2021-03-10 |
| PH12020551004A1 (en) | 2021-09-06 |
| PL3707898T3 (pl) | 2021-10-04 |
| US20220078459A1 (en) | 2022-03-10 |
| WO2020011860A1 (en) | 2020-01-16 |
| MX2020006114A (es) | 2020-08-24 |
| US11882302B2 (en) | 2024-01-23 |
| US11218716B2 (en) | 2022-01-04 |
| KR20200085917A (ko) | 2020-07-15 |
| CA3090207C (en) | 2022-03-15 |
| US11627329B2 (en) | 2023-04-11 |
| JP2021513230A (ja) | 2021-05-20 |
| US20230239486A1 (en) | 2023-07-27 |
| CN111567041B (zh) | 2022-04-29 |
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