JPWO2020264297A5 - - Google Patents
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- Publication number
- JPWO2020264297A5 JPWO2020264297A5 JP2021576338A JP2021576338A JPWO2020264297A5 JP WO2020264297 A5 JPWO2020264297 A5 JP WO2020264297A5 JP 2021576338 A JP2021576338 A JP 2021576338A JP 2021576338 A JP2021576338 A JP 2021576338A JP WO2020264297 A5 JPWO2020264297 A5 JP WO2020264297A5
- Authority
- JP
- Japan
- Prior art keywords
- chroma
- luma
- coding unit
- syntax
- value
- 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
Links
- 241000023320 Luma <angiosperm> Species 0.000 claims description 140
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims description 140
- 238000000034 method Methods 0.000 claims description 33
- 230000011664 signaling Effects 0.000 claims description 16
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 238000013139 quantization Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 8
- 230000001131 transforming effect Effects 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 description 4
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962868771P | 2019-06-28 | 2019-06-28 | |
| US62/868,771 | 2019-06-28 | ||
| US16/912,232 | 2020-06-25 | ||
| US16/912,232 US11418787B2 (en) | 2019-06-28 | 2020-06-25 | Chroma delta QP in video coding |
| PCT/US2020/039823 WO2020264297A1 (en) | 2019-06-28 | 2020-06-26 | Chroma delta quantization parameter in video coding |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2022538225A JP2022538225A (ja) | 2022-09-01 |
| JPWO2020264297A5 true JPWO2020264297A5 (https=) | 2023-06-05 |
| JP2022538225A5 JP2022538225A5 (https=) | 2023-06-05 |
| JP7574231B2 JP7574231B2 (ja) | 2024-10-28 |
Family
ID=74044879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021576338A Active JP7574231B2 (ja) | 2019-06-28 | 2020-06-26 | ビデオコーディングにおけるクロマデルタ量子化パラメータ |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11418787B2 (https=) |
| EP (2) | EP3991414B1 (https=) |
| JP (1) | JP7574231B2 (https=) |
| KR (1) | KR20220024116A (https=) |
| CN (1) | CN113994706B (https=) |
| BR (1) | BR112021025719A2 (https=) |
| TW (1) | TWI902697B (https=) |
| WO (1) | WO2020264297A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119182909A (zh) * | 2019-08-22 | 2024-12-24 | Lg 电子株式会社 | 使用色度量化参数的图像解码方法及其装置 |
| US12244805B2 (en) | 2019-08-23 | 2025-03-04 | Qualcomm Incorporated | Chroma quantization parameter (QP) derivation for video coding |
| WO2021037258A1 (en) * | 2019-08-30 | 2021-03-04 | Beijing Bytedance Network Technology Co., Ltd. | Sub-partitioning in intra coding |
| US11303897B2 (en) * | 2020-02-25 | 2022-04-12 | Tencent America LLC | Method and apparatus for signaling of chroma quantization parameters |
| US12382037B2 (en) * | 2021-03-05 | 2025-08-05 | Tencent America LLC | Decoupled transform partitioning |
| EP4409900A4 (en) * | 2021-09-29 | 2024-12-25 | Telefonaktiebolaget LM Ericsson (publ) | Efficient transmission of decoding information |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9288500B2 (en) | 2011-05-12 | 2016-03-15 | Texas Instruments Incorporated | Luma-based chroma intra-prediction for video coding |
| US8792550B2 (en) | 2011-08-04 | 2014-07-29 | Qualcomm Incorporated | Color/gray patch prevention for video coding |
| KR20130058524A (ko) | 2011-11-25 | 2013-06-04 | 오수미 | 색차 인트라 예측 블록 생성 방법 |
| US9451258B2 (en) | 2012-04-03 | 2016-09-20 | Qualcomm Incorporated | Chroma slice-level QP offset and deblocking |
| US9591302B2 (en) | 2012-07-02 | 2017-03-07 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
| US9414054B2 (en) | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
| US9294766B2 (en) | 2013-09-09 | 2016-03-22 | Apple Inc. | Chroma quantization in video coding |
| US9794575B2 (en) * | 2013-12-18 | 2017-10-17 | Magnum Semiconductor, Inc. | Apparatuses and methods for optimizing rate-distortion costs in video encoding |
| US11146788B2 (en) * | 2015-06-12 | 2021-10-12 | Qualcomm Incorporated | Grouping palette bypass bins for video coding |
| US10567759B2 (en) * | 2016-03-21 | 2020-02-18 | Qualcomm Incorporated | Using luma information for chroma prediction with separate luma-chroma framework in video coding |
| US10462459B2 (en) | 2016-04-14 | 2019-10-29 | Mediatek Inc. | Non-local adaptive loop filter |
| CN112689147B (zh) * | 2016-05-28 | 2023-10-13 | 寰发股份有限公司 | 视频数据处理方法以及装置 |
| US10448056B2 (en) | 2016-07-15 | 2019-10-15 | Qualcomm Incorporated | Signaling of quantization information in non-quadtree-only partitioned video coding |
| CN109479133B (zh) | 2016-07-22 | 2021-07-16 | 夏普株式会社 | 使用自适应分量缩放对视频数据进行编码的系统和方法 |
| US10555006B2 (en) | 2016-12-22 | 2020-02-04 | Qualcomm Incorporated | Deriving bilateral filter information based on a prediction mode in video coding |
| WO2020036132A1 (ja) | 2018-08-15 | 2020-02-20 | 日本放送協会 | 画像符号化装置、画像復号装置、及びプログラム |
| JP7225375B2 (ja) | 2018-08-30 | 2023-02-20 | 華為技術有限公司 | パレット符号化を使用するエンコード装置、デコード装置および対応する方法 |
| KR20250093592A (ko) | 2018-09-21 | 2025-06-24 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 역 양자화 장치 및 방법 |
-
2020
- 2020-06-25 US US16/912,232 patent/US11418787B2/en active Active
- 2020-06-26 JP JP2021576338A patent/JP7574231B2/ja active Active
- 2020-06-26 BR BR112021025719A patent/BR112021025719A2/pt unknown
- 2020-06-26 CN CN202080045440.2A patent/CN113994706B/zh active Active
- 2020-06-26 KR KR1020217041705A patent/KR20220024116A/ko active Pending
- 2020-06-26 EP EP20745355.6A patent/EP3991414B1/en active Active
- 2020-06-26 EP EP25182456.1A patent/EP4593394A3/en active Pending
- 2020-06-26 WO PCT/US2020/039823 patent/WO2020264297A1/en not_active Ceased
- 2020-06-29 TW TW109121850A patent/TWI902697B/zh active
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