JP2025528984A5 - - Google Patents

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Publication number
JP2025528984A5
JP2025528984A5 JP2024547773A JP2024547773A JP2025528984A5 JP 2025528984 A5 JP2025528984 A5 JP 2025528984A5 JP 2024547773 A JP2024547773 A JP 2024547773A JP 2024547773 A JP2024547773 A JP 2024547773A JP 2025528984 A5 JP2025528984 A5 JP 2025528984A5
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JP
Japan
Prior art keywords
downsampling
error
blocks
filters
target
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
Application number
JP2024547773A
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English (en)
Japanese (ja)
Other versions
JP2025528984A (ja
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Publication date
Priority claimed from US17/992,282 external-priority patent/US12407824B2/en
Application filed filed Critical
Publication of JP2025528984A publication Critical patent/JP2025528984A/ja
Publication of JP2025528984A5 publication Critical patent/JP2025528984A5/ja
Pending legal-status Critical Current

Links

JP2024547773A 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 Pending JP2025528984A (ja)

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 US12407824B2 (en) 2022-09-02 2022-11-22 Selecting downsampling filters for chroma from luma prediction
US17/992,282 2022-11-22
PCT/US2022/080623 WO2024049489A1 (en) 2022-09-02 2022-11-30 Selecting downsampling filters for chroma from luma prediction

Publications (2)

Publication Number Publication Date
JP2025528984A JP2025528984A (ja) 2025-09-04
JP2025528984A5 true JP2025528984A5 (enExample) 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 (enExample)
EP (1) EP4581824A1 (enExample)
JP (1) JP2025528984A (enExample)
KR (1) KR20240051259A (enExample)
CN (1) CN118235406A (enExample)
WO (1) WO2024049489A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN109218730B (zh) * 2012-01-19 2023-07-28 华为技术有限公司 用于lm帧内预测的参考像素缩减
US10455249B2 (en) * 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
WO2017083784A1 (en) * 2015-11-11 2017-05-18 Apple Inc. Adaptive chroma downsampling and color space conversion techniques
CN110896478B (zh) * 2018-09-12 2023-02-17 北京字节跳动网络技术有限公司 交叉分量线性建模中的下采样
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
PH12021551828A1 (en) * 2019-02-22 2022-04-11 Beijing Bytedance Network Tech Co Ltd Neighbouring sample selection for intra prediction
EP4527072A4 (en) * 2022-05-16 2026-06-03 Beijing Dajia Internet Information Tech Co Ltd IMPROVED CROSS COMPONENT PREDICTION FOR VIDEO CODING
WO2024011074A1 (en) * 2022-07-04 2024-01-11 Bytedance Inc. Method, apparatus, and medium for video processing

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