JP2024059893A5 - - Google Patents
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- JP2024059893A5 JP2024059893A5 JP2024028884A JP2024028884A JP2024059893A5 JP 2024059893 A5 JP2024059893 A5 JP 2024059893A5 JP 2024028884 A JP2024028884 A JP 2024028884A JP 2024028884 A JP2024028884 A JP 2024028884A JP 2024059893 A5 JP2024059893 A5 JP 2024059893A5
- Authority
- JP
- Japan
- Prior art keywords
- offset value
- quantization
- quantization index
- video data
- step size
- 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.)
- Granted
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Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063038010P | 2020-06-11 | 2020-06-11 | |
| US63/038,010 | 2020-06-11 | ||
| US17/077,471 US11381830B2 (en) | 2020-06-11 | 2020-10-22 | Modified quantizer |
| US17/077,471 | 2020-10-22 | ||
| JP2022529283A JP7447258B2 (ja) | 2020-06-11 | 2020-11-16 | 修正された量子化器 |
| PCT/US2020/060743 WO2021252010A1 (en) | 2020-06-11 | 2020-11-16 | Modified quantizer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022529283A Division JP7447258B2 (ja) | 2020-06-11 | 2020-11-16 | 修正された量子化器 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2024059893A JP2024059893A (ja) | 2024-05-01 |
| JP2024059893A5 true JP2024059893A5 (https=) | 2024-10-31 |
| JP7722799B2 JP7722799B2 (ja) | 2025-08-13 |
Family
ID=78826219
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022529283A Active JP7447258B2 (ja) | 2020-06-11 | 2020-11-16 | 修正された量子化器 |
| JP2024028884A Active JP7722799B2 (ja) | 2020-06-11 | 2024-02-28 | 修正された量子化器 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022529283A Active JP7447258B2 (ja) | 2020-06-11 | 2020-11-16 | 修正された量子化器 |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US11381830B2 (https=) |
| EP (1) | EP4000255A4 (https=) |
| JP (2) | JP7447258B2 (https=) |
| KR (1) | KR102686757B1 (https=) |
| CN (2) | CN114375571B (https=) |
| WO (1) | WO2021252010A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11381830B2 (en) * | 2020-06-11 | 2022-07-05 | Tencent America LLC | Modified quantizer |
| US20240056575A1 (en) * | 2020-12-22 | 2024-02-15 | Intellectual Discovery Co., Ltd. | Deep learning-based image coding method and device |
| CN116207326A (zh) | 2021-11-30 | 2023-06-02 | 株式会社Lg新能源 | 电极组件、电池单元 |
| EP4706245A1 (en) * | 2023-04-27 | 2026-03-11 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices on transform coefficient dequantization |
| KR20250033760A (ko) * | 2023-09-01 | 2025-03-10 | 삼성전자주식회사 | 최적화된 양자화 및 역양자화를 위한 영상 복호화 장치, 영상 복호화 방법, 영상 부호화 장치, 및 영상 부호화 방법 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7995649B2 (en) | 2006-04-07 | 2011-08-09 | Microsoft Corporation | Quantization adjustment based on texture level |
| ES2630203T3 (es) * | 2006-10-10 | 2017-08-18 | Nippon Telegraph And Telephone Corporation | Método y dispositivo de control de codificación de predicción intra, su programa, y medio de almacenamiento que contiene programa |
| EP2647202A1 (en) * | 2010-12-01 | 2013-10-09 | iMinds | Method and device for correlation channel estimation |
| US9451258B2 (en) * | 2012-04-03 | 2016-09-20 | Qualcomm Incorporated | Chroma slice-level QP offset and deblocking |
| US9414054B2 (en) * | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
| JP5986877B2 (ja) * | 2012-10-17 | 2016-09-06 | 日立マクセル株式会社 | 画像伝送システム |
| US9300967B2 (en) * | 2013-06-19 | 2016-03-29 | Apple Inc. | Sample adaptive offset control |
| EP4366308A3 (en) * | 2013-06-28 | 2024-07-10 | Velos Media International Limited | Methods and devices for emulating low-fidelity coding in a high-fidelity coder |
| WO2016054765A1 (en) * | 2014-10-08 | 2016-04-14 | Microsoft Technology Licensing, Llc | Adjustments to encoding and decoding when switching color spaces |
| US20170280139A1 (en) * | 2016-03-22 | 2017-09-28 | Qualcomm Incorporated | Apparatus and methods for adaptive calculation of quantization parameters in display stream compression |
| US11019339B2 (en) | 2017-07-12 | 2021-05-25 | Futurewei Technologies, Inc. | Fractional quantization parameter offset in video compression |
| US10432929B2 (en) | 2018-02-12 | 2019-10-01 | Tencent America LLC | Method and apparatus for multiple line intra prediction in video compression |
| EP3618440A1 (en) * | 2018-09-03 | 2020-03-04 | InterDigital VC Holdings, Inc. | Quantization parameter prediction for video encoding and decoding |
| US10931950B2 (en) * | 2018-11-19 | 2021-02-23 | Intel Corporation | Content adaptive quantization for video coding |
| US11381830B2 (en) * | 2020-06-11 | 2022-07-05 | Tencent America LLC | Modified quantizer |
-
2020
- 2020-10-22 US US17/077,471 patent/US11381830B2/en active Active
- 2020-11-16 JP JP2022529283A patent/JP7447258B2/ja active Active
- 2020-11-16 EP EP20940004.3A patent/EP4000255A4/en active Pending
- 2020-11-16 CN CN202080061849.3A patent/CN114375571B/zh active Active
- 2020-11-16 KR KR1020227010975A patent/KR102686757B1/ko active Active
- 2020-11-16 WO PCT/US2020/060743 patent/WO2021252010A1/en not_active Ceased
- 2020-11-16 CN CN202410889019.XA patent/CN118646894A/zh active Pending
-
2022
- 2022-01-13 US US17/575,266 patent/US11711532B2/en active Active
- 2022-06-10 US US17/837,849 patent/US11882301B2/en active Active
-
2024
- 2024-02-28 JP JP2024028884A patent/JP7722799B2/ja active Active
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