JPWO2024049489A5 - - Google Patents
Info
- Publication number
- JPWO2024049489A5 JPWO2024049489A5 JP2024547773A JP2024547773A JPWO2024049489A5 JP WO2024049489 A5 JPWO2024049489 A5 JP WO2024049489A5 JP 2024547773 A JP2024547773 A JP 2024547773A JP 2024547773 A JP2024547773 A JP 2024547773A JP WO2024049489 A5 JPWO2024049489 A5 JP WO2024049489A5
- Authority
- JP
- Japan
- Prior art keywords
- downsampling
- error
- chroma
- blocks
- filters
- 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.)
- Pending
Links
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202263403635P | 2022-09-02 | 2022-09-02 | |
| US63/403,635 | 2022-09-02 | ||
| US17/992,282 | 2022-11-22 | ||
| US17/992,282 US12407824B2 (en) | 2022-09-02 | 2022-11-22 | Selecting downsampling filters for chroma from luma prediction |
| PCT/US2022/080623 WO2024049489A1 (en) | 2022-09-02 | 2022-11-30 | Selecting downsampling filters for chroma from luma prediction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2025528984A JP2025528984A (ja) | 2025-09-04 |
| JPWO2024049489A5 true JPWO2024049489A5 (https=) | 2025-12-08 |
| JP2025528984A5 JP2025528984A5 (https=) | 2025-12-08 |
Family
ID=90061722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024547773A Pending JP2025528984A (ja) | 2022-09-02 | 2022-11-30 | ルマ予測から彩度用のダウンサンプリングフィルタを選択すること |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US12407824B2 (https=) |
| EP (1) | EP4581824A1 (https=) |
| JP (1) | JP2025528984A (https=) |
| KR (1) | KR20240051259A (https=) |
| CN (1) | CN118235406A (https=) |
| WO (1) | WO2024049489A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12452437B1 (en) * | 2023-07-19 | 2025-10-21 | Zoom Communications, Inc. | Fast parameter search for chroma from luma intra prediction in video coding |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7953152B1 (en) * | 2004-06-28 | 2011-05-31 | Google Inc. | Video compression and encoding method |
| GB2460069A (en) * | 2008-05-15 | 2009-11-18 | Snell & Wilcox Ltd | Sampling conversion between formats in digital image processing |
| US9693070B2 (en) * | 2011-06-24 | 2017-06-27 | Texas Instruments Incorporated | Luma-based chroma intra-prediction for video coding |
| US9307237B2 (en) * | 2012-01-19 | 2016-04-05 | Futurewei Technologies, Inc. | Reference pixel reduction for intra LM prediction |
| US10455249B2 (en) * | 2015-03-20 | 2019-10-22 | Qualcomm Incorporated | Downsampling process for linear model prediction mode |
| US10715816B2 (en) * | 2015-11-11 | 2020-07-14 | Apple Inc. | Adaptive chroma downsampling and color space conversion techniques |
| CN117478883A (zh) * | 2018-09-12 | 2024-01-30 | 北京字节跳动网络技术有限公司 | 交叉分量线性模型中的尺寸相关的下采样 |
| US10939118B2 (en) * | 2018-10-26 | 2021-03-02 | Mediatek Inc. | Luma-based chroma intra-prediction method that utilizes down-sampled luma samples derived from weighting and associated luma-based chroma intra-prediction apparatus |
| EP3903482A4 (en) * | 2019-02-22 | 2022-06-01 | Beijing Bytedance Network Technology Co., Ltd. | SELECTING ADJACENT SAMPLES FOR INTRA PREDICTION |
| WO2023225013A1 (en) * | 2022-05-16 | 2023-11-23 | Beijing Dajia Internet Information Technology Co., Ltd. | Improved cross-component prediction for video coding |
| CN119487549A (zh) * | 2022-07-04 | 2025-02-18 | 字节跳动有限公司 | 用于视频处理的方法、装置和介质 |
-
2022
- 2022-11-22 US US17/992,282 patent/US12407824B2/en active Active
- 2022-11-30 WO PCT/US2022/080623 patent/WO2024049489A1/en not_active Ceased
- 2022-11-30 EP EP22956677.3A patent/EP4581824A1/en active Pending
- 2022-11-30 KR KR1020247010784A patent/KR20240051259A/ko active Pending
- 2022-11-30 JP JP2024547773A patent/JP2025528984A/ja active Pending
- 2022-11-30 CN CN202280075374.2A patent/CN118235406A/zh active Pending
-
2025
- 2025-08-25 US US19/308,947 patent/US20250392713A1/en active Pending
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