CA2976820C - Downsampling process for linear model prediction mode - Google Patents
Downsampling process for linear model prediction mode Download PDFInfo
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- CA2976820C CA2976820C CA2976820A CA2976820A CA2976820C CA 2976820 C CA2976820 C CA 2976820C CA 2976820 A CA2976820 A CA 2976820A CA 2976820 A CA2976820 A CA 2976820A CA 2976820 C CA2976820 C CA 2976820C
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Classifications
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
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- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
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- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562136344P | 2015-03-20 | 2015-03-20 | |
| US62/136,344 | 2015-03-20 | ||
| US15/073,171 | 2016-03-17 | ||
| US15/073,171 US10455249B2 (en) | 2015-03-20 | 2016-03-17 | Downsampling process for linear model prediction mode |
| PCT/US2016/023157 WO2016154008A1 (en) | 2015-03-20 | 2016-03-18 | Downsampling process for linear model prediction mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2976820A1 CA2976820A1 (en) | 2016-09-29 |
| CA2976820C true CA2976820C (en) | 2023-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2976820A Active CA2976820C (en) | 2015-03-20 | 2016-03-18 | Downsampling process for linear model prediction mode |
Country Status (10)
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| EP (1) | EP3272121B1 (enExample) |
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| AR (1) | AR104854A1 (enExample) |
| BR (1) | BR112017020102B1 (enExample) |
| CA (1) | CA2976820C (enExample) |
| TW (1) | TWI693821B (enExample) |
| WO (1) | WO2016154008A1 (enExample) |
Families Citing this family (94)
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| US9979960B2 (en) | 2012-10-01 | 2018-05-22 | Microsoft Technology Licensing, Llc | Frame packing and unpacking between frames of chroma sampling formats with different chroma resolutions |
| US9854201B2 (en) | 2015-01-16 | 2017-12-26 | Microsoft Technology Licensing, Llc | Dynamically updating quality to higher chroma sampling rate |
| KR102835073B1 (ko) * | 2015-08-28 | 2025-07-17 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US20170150156A1 (en) | 2015-11-25 | 2017-05-25 | Qualcomm Incorporated | Illumination compensation with non-square predictive blocks in video coding |
| EP3244614A1 (en) * | 2016-05-13 | 2017-11-15 | Thomson Licensing | A method and a device for decoding an intra predicted block of a picture and corresponding coding method and coding device |
| US11368681B2 (en) * | 2016-07-18 | 2022-06-21 | Electronics And Telecommunications Research Institute | Image encoding/decoding method and device, and recording medium in which bitstream is stored |
| CN118678062A (zh) | 2016-10-04 | 2024-09-20 | Lx 半导体科技有限公司 | 编码/解码设备和发送图像数据的设备 |
| US10368080B2 (en) | 2016-10-21 | 2019-07-30 | Microsoft Technology Licensing, Llc | Selective upsampling or refresh of chroma sample values |
| US10477240B2 (en) * | 2016-12-19 | 2019-11-12 | Qualcomm Incorporated | Linear model prediction mode with sample accessing for video coding |
| EP3550842A4 (en) * | 2016-12-30 | 2020-06-10 | Huawei Technologies Co., Ltd. | IMAGE FILTERING METHOD, APPARATUS AND DEVICE |
| EP3386198A1 (en) * | 2017-04-07 | 2018-10-10 | Thomson Licensing | Method and device for predictive picture encoding and decoding |
| KR20180135414A (ko) * | 2017-06-12 | 2018-12-20 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| WO2019004664A1 (ko) * | 2017-06-26 | 2019-01-03 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| CN117278746A (zh) | 2017-07-06 | 2023-12-22 | Lx 半导体科技有限公司 | 图像编码/解码设备和发送图像数据的设备 |
| CN109257605B (zh) * | 2017-07-13 | 2021-11-19 | 华为技术有限公司 | 图像处理方法、设备及系统 |
| CN109274969B (zh) * | 2017-07-17 | 2020-12-22 | 华为技术有限公司 | 色度预测的方法和设备 |
| JP2021005741A (ja) * | 2017-09-14 | 2021-01-14 | シャープ株式会社 | 画像符号化装置及び画像復号装置 |
| GB2567249A (en) * | 2017-10-09 | 2019-04-10 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
| CN115941941B (zh) * | 2017-11-29 | 2025-11-21 | 英迪股份有限公司 | 采用环内滤波的图像编码/解码方法和装置 |
| CN108172168B (zh) * | 2017-12-22 | 2019-11-15 | 深圳市华星光电半导体显示技术有限公司 | 一种补偿表压缩方法 |
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| KR102481051B1 (ko) * | 2018-04-24 | 2022-12-23 | 에이치에프아이 이노베이션 인크. | 비디오 코딩에서의 제한된 선형 모델 파라미터 도출을 위한 방법 및 장치 |
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| KR102389267B1 (ko) * | 2018-06-12 | 2022-04-20 | 광운대학교 산학협력단 | 성분 간 참조 기반의 비디오 신호 처리 방법 및 장치 |
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| CN110650337B (zh) * | 2018-06-26 | 2022-04-01 | 中兴通讯股份有限公司 | 一种图像编码方法、解码方法、编码器、解码器及存储介质 |
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| KR20250002761A (ko) * | 2018-09-20 | 2025-01-07 | 엘지전자 주식회사 | 영상 코딩 시스템에서 cclm 예측에 기반한 영상 디코딩 방법 및 그 장치 |
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| CN111083486A (zh) * | 2019-01-03 | 2020-04-28 | 北京达佳互联信息技术有限公司 | 一种确定编码单元的色度信息的方法和装置 |
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| CN117041552A (zh) * | 2019-02-22 | 2023-11-10 | 华为技术有限公司 | 使用线性模型进行帧内预测的方法及装置 |
| KR102476272B1 (ko) * | 2019-02-22 | 2022-12-09 | 엘지전자 주식회사 | 영상 코딩 시스템에서 cclm 예측에 기반한 영상 디코딩 방법 및 그 장치 |
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| EP4391537A3 (en) * | 2019-03-25 | 2024-09-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Image prediction method, encoder, decoder and storage medium |
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| AR104854A1 (es) | 2017-08-23 |
| WO2016154008A1 (en) | 2016-09-29 |
| BR112017020102A2 (pt) | 2018-05-29 |
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