CN111919444A - 色度块的预测方法和装置 - Google Patents
色度块的预测方法和装置 Download PDFInfo
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Abstract
本申请提供了一种色度块的预测方法和装置,属于视频编解码技术领域。所述方法包括:从色度块的相邻像素中,获取预设位置的色度像素的色度值,基于色度块对应的亮度块的相邻像素,获取上述色度像素对应的亮度像素的亮度值,将亮度值分为第一亮度集合和第二亮度集合,相应的,将色度值分为第一色度集合和第二色度集合。根据第一亮度集合中亮度值的均值、第二亮度集合中亮度值的均值、第一色度集合中色度值的均值和第二色度集合中色度值的均值,确定线性模型中的缩放系数,使用缩放系数确定色度块对应的偏移因子,使用缩放系数、偏移因子和色度块对应的亮度重建信息,确定色度块的预测信息。这样,可以提高色度块的预测效率。
Description
PCT国内申请,说明书已公开。
Claims (28)
- PCT国内申请,权利要求书已公开。
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CN201910005667.3A CN111405287B (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
CN2019100056673 | 2019-01-03 | ||
PCT/CN2019/124399 WO2020140700A1 (zh) | 2019-01-03 | 2019-12-10 | 色度块的预测方法和装置 |
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CN111919444A true CN111919444A (zh) | 2020-11-10 |
CN111919444B CN111919444B (zh) | 2023-02-03 |
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CN202310164929.7A Pending CN116320454A (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
CN201910005667.3A Active CN111405287B (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
CN201980022524.1A Active CN111919444B (zh) | 2019-01-03 | 2019-12-10 | 色度块的预测方法和装置 |
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CN202310149399.9A Pending CN116193132A (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
CN202310164929.7A Pending CN116320454A (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
CN201910005667.3A Active CN111405287B (zh) | 2019-01-03 | 2019-01-03 | 色度块的预测方法和装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113099221A (zh) * | 2021-02-22 | 2021-07-09 | 浙江大华技术股份有限公司 | 跨分量样点自适应补偿方法、编码方法及相关装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220078405A1 (en) * | 2018-11-05 | 2022-03-10 | Interdigital Vc Holdings, Inc. | Simplifications of coding modes based on neighboring samples dependent parametric models |
US11483557B2 (en) * | 2020-06-18 | 2022-10-25 | Tencent America LLC | Separate constrained directional enhancement filter |
CN114066914A (zh) * | 2020-07-30 | 2022-02-18 | 华为技术有限公司 | 一种图像处理方法以及相关设备 |
CN118318437A (zh) * | 2021-12-09 | 2024-07-09 | 北京达佳互联信息技术有限公司 | 用于视频编解码的跨分量预测的方法和装置 |
WO2023125771A1 (en) * | 2021-12-29 | 2023-07-06 | Mediatek Inc. | Cross-component linear model prediction |
JP2024006522A (ja) * | 2022-07-04 | 2024-01-17 | シャープ株式会社 | 予測画像生成装置、動画像復号装置、および動画像符号化装置 |
CN117478895A (zh) * | 2022-07-19 | 2024-01-30 | 腾讯科技(深圳)有限公司 | 数据处理方法、装置、设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103096057A (zh) * | 2011-11-08 | 2013-05-08 | 华为技术有限公司 | 一种色度帧内预测方法和装置 |
GB201802969D0 (en) * | 2018-02-23 | 2018-04-11 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
US20180205946A1 (en) * | 2017-01-13 | 2018-07-19 | Qualcomm Incorporated | Coding video data using derived chroma mode |
CN109005408A (zh) * | 2018-08-01 | 2018-12-14 | 北京奇艺世纪科技有限公司 | 一种帧内预测方法、装置及电子设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI257074B (en) * | 2005-02-22 | 2006-06-21 | Sunplus Technology Co Ltd | Motion estimation method and system using colors information |
WO2011126348A2 (en) * | 2010-04-09 | 2011-10-13 | Lg Electronics Inc. | Method and apparatus for processing video data |
WO2012175003A1 (en) * | 2011-06-20 | 2012-12-27 | Mediatek Singapore Pte. Ltd. | Method and apparatus of chroma intra prediction with reduced line memory |
US8724711B2 (en) * | 2011-07-12 | 2014-05-13 | Intel Corporation | Luma-based chroma intra prediction |
US9948938B2 (en) | 2011-07-21 | 2018-04-17 | Texas Instruments Incorporated | Methods and systems for chroma residual data prediction |
CN103918269B (zh) * | 2012-01-04 | 2017-08-01 | 联发科技(新加坡)私人有限公司 | 色度帧内预测方法及装置 |
WO2013169049A1 (ko) * | 2012-05-10 | 2013-11-14 | 엘지전자 주식회사 | 인터 레이어 예측 방법 및 이를 이용하는 장치 |
CN104871537B (zh) * | 2013-03-26 | 2018-03-16 | 联发科技股份有限公司 | 色彩间帧内预测的方法 |
US10397607B2 (en) * | 2013-11-01 | 2019-08-27 | Qualcomm Incorporated | Color residual prediction for video coding |
KR20220116357A (ko) * | 2018-12-21 | 2022-08-22 | 삼성전자주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
-
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103096057A (zh) * | 2011-11-08 | 2013-05-08 | 华为技术有限公司 | 一种色度帧内预测方法和装置 |
US20180205946A1 (en) * | 2017-01-13 | 2018-07-19 | Qualcomm Incorporated | Coding video data using derived chroma mode |
GB201802969D0 (en) * | 2018-02-23 | 2018-04-11 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
CN109005408A (zh) * | 2018-08-01 | 2018-12-14 | 北京奇艺世纪科技有限公司 | 一种帧内预测方法、装置及电子设备 |
Non-Patent Citations (6)
Title |
---|
GEERT VAN DER AUWERA: "Description of Core Experiment 3: Intra Prediction and Mode Coding", 《JVET-J1023_R2》 * |
JANGWON CHOI等: "CE3-related : Reduced number of reference samples for CCLM parameter calculation", 《JVET-L0138-V2》 * |
KAI ZHANG等: "Enhanced Cross-Component Linear Model for Chroma Intra-Prediction in Video Coding", 《IEEE TRANSACTIONS ON IMAGE PROCESSING》 * |
WOO-SHIK KIM等: "Cross-Component Prediction in HEVC", 《IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY》 * |
XIANG MA: "CE3-related: Classification-based mean value for CCLM coefficients derivation", 《JVET-L0342_R2》 * |
王淑慧: "基于AVS2的色度扩展视频编码的设计和实现", 《电子与信息学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113099221A (zh) * | 2021-02-22 | 2021-07-09 | 浙江大华技术股份有限公司 | 跨分量样点自适应补偿方法、编码方法及相关装置 |
CN113099221B (zh) * | 2021-02-22 | 2023-06-02 | 浙江大华技术股份有限公司 | 跨分量样点自适应补偿方法、编码方法及相关装置 |
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BR112021013163A2 (pt) | 2021-09-28 |
AU2019419130A1 (en) | 2021-07-29 |
PL3907995T3 (pl) | 2024-06-10 |
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CA3125500A1 (en) | 2020-07-09 |
JP2023071854A (ja) | 2023-05-23 |
CN111919444B (zh) | 2023-02-03 |
JP2022516180A (ja) | 2022-02-24 |
EP3907995A4 (en) | 2022-02-23 |
CN116193132A (zh) | 2023-05-30 |
KR20210103573A (ko) | 2021-08-23 |
EP3907995B1 (en) | 2024-02-21 |
PT3907995T (pt) | 2024-05-10 |
WO2020140700A1 (zh) | 2020-07-09 |
US20210329261A1 (en) | 2021-10-21 |
DK3907995T3 (da) | 2024-05-13 |
CN116320454A (zh) | 2023-06-23 |
JP7239711B2 (ja) | 2023-03-14 |
MX2021008151A (es) | 2021-08-11 |
JP7492051B2 (ja) | 2024-05-28 |
EP4362462A1 (en) | 2024-05-01 |
US11943451B2 (en) | 2024-03-26 |
US20240195984A1 (en) | 2024-06-13 |
CN111405287B (zh) | 2023-02-28 |
CN111405287A (zh) | 2020-07-10 |
EP3907995A1 (en) | 2021-11-10 |
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