JP2024081723A5 - - Google Patents
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- JP2024081723A5 JP2024081723A5 JP2024050625A JP2024050625A JP2024081723A5 JP 2024081723 A5 JP2024081723 A5 JP 2024081723A5 JP 2024050625 A JP2024050625 A JP 2024050625A JP 2024050625 A JP2024050625 A JP 2024050625A JP 2024081723 A5 JP2024081723 A5 JP 2024081723A5
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- JP
- Japan
- Prior art keywords
- core matrix
- transform core
- bit
- encoding
- dct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011159 matrix material Substances 0.000 claims 94
- 238000000034 method Methods 0.000 claims 19
- 101150089388 dct-5 gene Proteins 0.000 claims 9
- 238000004590 computer program Methods 0.000 claims 4
- 239000013598 vector Substances 0.000 claims 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025020476A JP2025072600A (ja) | 2018-06-29 | 2025-02-12 | 復号化のための方法、装置及びコンピュータプログラム |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862692658P | 2018-06-29 | 2018-06-29 | |
| US62/692,658 | 2018-06-29 | ||
| US16/225,982 | 2018-12-19 | ||
| US16/225,982 US10687081B2 (en) | 2018-06-29 | 2018-12-19 | Method, apparatus and medium for decoding or encoding |
| JP2022074298A JP7275354B2 (ja) | 2018-06-29 | 2022-04-28 | 符号化のための方法、装置及びコンピュータプログラム |
| JP2023076353A JP7463597B2 (ja) | 2018-06-29 | 2023-05-02 | 復号化のための方法、装置及びコンピュータプログラム |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023076353A Division JP7463597B2 (ja) | 2018-06-29 | 2023-05-02 | 復号化のための方法、装置及びコンピュータプログラム |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025020476A Division JP2025072600A (ja) | 2018-06-29 | 2025-02-12 | 復号化のための方法、装置及びコンピュータプログラム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2024081723A JP2024081723A (ja) | 2024-06-18 |
| JP2024081723A5 true JP2024081723A5 (https=) | 2024-11-08 |
| JP7635447B2 JP7635447B2 (ja) | 2025-02-25 |
Family
ID=68987565
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020544649A Active JP7068481B2 (ja) | 2018-06-29 | 2019-06-03 | 復号化のための方法、装置及びコンピュータプログラム |
| JP2022074298A Active JP7275354B2 (ja) | 2018-06-29 | 2022-04-28 | 符号化のための方法、装置及びコンピュータプログラム |
| JP2023076353A Active JP7463597B2 (ja) | 2018-06-29 | 2023-05-02 | 復号化のための方法、装置及びコンピュータプログラム |
| JP2024050625A Active JP7635447B2 (ja) | 2018-06-29 | 2024-03-27 | 復号化のための方法、装置及びコンピュータプログラム |
| JP2025020476A Pending JP2025072600A (ja) | 2018-06-29 | 2025-02-12 | 復号化のための方法、装置及びコンピュータプログラム |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020544649A Active JP7068481B2 (ja) | 2018-06-29 | 2019-06-03 | 復号化のための方法、装置及びコンピュータプログラム |
| JP2022074298A Active JP7275354B2 (ja) | 2018-06-29 | 2022-04-28 | 符号化のための方法、装置及びコンピュータプログラム |
| JP2023076353A Active JP7463597B2 (ja) | 2018-06-29 | 2023-05-02 | 復号化のための方法、装置及びコンピュータプログラム |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025020476A Pending JP2025072600A (ja) | 2018-06-29 | 2025-02-12 | 復号化のための方法、装置及びコンピュータプログラム |
Country Status (6)
| Country | Link |
|---|---|
| US (5) | US10687081B2 (https=) |
| EP (1) | EP3815378A4 (https=) |
| JP (5) | JP7068481B2 (https=) |
| KR (1) | KR102384691B1 (https=) |
| CN (4) | CN115361552B (https=) |
| WO (1) | WO2020005462A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10687081B2 (en) * | 2018-06-29 | 2020-06-16 | Tencent America LLC | Method, apparatus and medium for decoding or encoding |
| EP3836543A1 (en) * | 2018-09-02 | 2021-06-16 | Lg Electronics Inc. | Image coding method based on multiple transform selection and device therefor |
| US11218694B2 (en) * | 2018-09-24 | 2022-01-04 | Qualcomm Incorporated | Adaptive multiple transform coding |
| US11412258B2 (en) * | 2020-02-12 | 2022-08-09 | Tencent America LLC | Line graph transforms (LGTs) using 8-bit and 10-bit cores |
| US11405647B2 (en) * | 2020-02-18 | 2022-08-02 | Tencent America LLC | Primary transforms using 8-bit and 10-bit cores |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9081733B2 (en) * | 2009-06-24 | 2015-07-14 | Qualcomm Incorporated | 16-point transform for media data coding |
| US9378185B2 (en) * | 2010-09-30 | 2016-06-28 | Texas Instruments Incorporated | Transform and quantization architecture for video coding and decoding |
| PT3370420T (pt) * | 2010-12-21 | 2019-10-31 | Ntt Docomo Inc | Codificação com intra-predição melhorada utilizando representações planares |
| WO2012115487A2 (ko) * | 2011-02-25 | 2012-08-30 | 삼성전자 주식회사 | 영상의 변환 및 역변환 방법, 및 이를 이용한 영상의 부호화 및 복호화 장치 |
| US20130003856A1 (en) * | 2011-07-01 | 2013-01-03 | Samsung Electronics Co. Ltd. | Mode-dependent transforms for residual coding with low latency |
| US20160021369A1 (en) * | 2014-07-15 | 2016-01-21 | Shreyas HAMPALI | Video coding including a stage-interdependent multi-stage butterfly integer transform |
| US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US11233998B2 (en) * | 2015-05-29 | 2022-01-25 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design |
| JP6555814B2 (ja) * | 2015-08-20 | 2019-08-07 | 日本放送協会 | 直交変換処理装置、逆直交変換処理装置、符号化装置、復号装置、及びコンピュータプログラム |
| US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| CN107925763B (zh) * | 2015-12-23 | 2020-01-10 | 华为技术有限公司 | 等级分割中的块级别变换选择和隐式信令的编码变换方法和设备 |
| CN109417620B (zh) * | 2016-03-25 | 2021-04-27 | 松下知识产权经营株式会社 | 用于使用信号依赖型自适应量化将运动图像编码及解码的方法及装置 |
| US10972733B2 (en) * | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10880564B2 (en) * | 2016-10-01 | 2020-12-29 | Qualcomm Incorporated | Transform selection for video coding |
| US10554974B2 (en) * | 2017-01-13 | 2020-02-04 | Mediatek Inc. | Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags |
| US11025903B2 (en) * | 2017-01-13 | 2021-06-01 | Qualcomm Incorporated | Coding video data using derived chroma mode |
| US20180288439A1 (en) * | 2017-03-31 | 2018-10-04 | Mediatek Inc. | Multiple Transform Prediction |
| US10750181B2 (en) * | 2017-05-11 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive multiple transforms for video coding |
| US10602180B2 (en) * | 2017-06-13 | 2020-03-24 | Qualcomm Incorporated | Motion vector prediction |
| US10687081B2 (en) * | 2018-06-29 | 2020-06-16 | Tencent America LLC | Method, apparatus and medium for decoding or encoding |
-
2018
- 2018-12-19 US US16/225,982 patent/US10687081B2/en active Active
-
2019
- 2019-06-03 KR KR1020207026663A patent/KR102384691B1/ko active Active
- 2019-06-03 EP EP19827135.5A patent/EP3815378A4/en active Pending
- 2019-06-03 WO PCT/US2019/035118 patent/WO2020005462A1/en not_active Ceased
- 2019-06-03 CN CN202210980769.9A patent/CN115361552B/zh active Active
- 2019-06-03 JP JP2020544649A patent/JP7068481B2/ja active Active
- 2019-06-03 CN CN202210982081.4A patent/CN115361553B/zh active Active
- 2019-06-03 CN CN202210979396.3A patent/CN115361551B/zh active Active
- 2019-06-03 CN CN201980013988.6A patent/CN111955010B/zh active Active
-
2020
- 2020-05-07 US US16/869,122 patent/US11044494B2/en active Active
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2021
- 2021-05-13 US US17/319,672 patent/US11503338B2/en active Active
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2022
- 2022-04-28 JP JP2022074298A patent/JP7275354B2/ja active Active
- 2022-09-09 US US17/941,762 patent/US11930214B2/en active Active
-
2023
- 2023-05-02 JP JP2023076353A patent/JP7463597B2/ja active Active
- 2023-12-29 US US18/400,200 patent/US20240163481A1/en active Pending
-
2024
- 2024-03-27 JP JP2024050625A patent/JP7635447B2/ja active Active
-
2025
- 2025-02-12 JP JP2025020476A patent/JP2025072600A/ja active Pending
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