CN113767627B - 基于二次变换的视频处理中的裁剪操作 - Google Patents
基于二次变换的视频处理中的裁剪操作 Download PDFInfo
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- CN113767627B CN113767627B CN202080031268.5A CN202080031268A CN113767627B CN 113767627 B CN113767627 B CN 113767627B CN 202080031268 A CN202080031268 A CN 202080031268A CN 113767627 B CN113767627 B CN 113767627B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- 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
- H04N19/17—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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- H—ELECTRICITY
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- 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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| CN113767627A CN113767627A (zh) | 2021-12-07 |
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| CN202310488397.2A Pending CN116743994A (zh) | 2019-04-23 | 2020-04-23 | 用于处理视频数据的方法和装置 |
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| GB2580326A (en) | 2018-12-28 | 2020-07-22 | British Broadcasting Corp | Video encoding and video decoding |
| CN113767627B (zh) * | 2019-04-23 | 2022-11-25 | 北京字节跳动网络技术有限公司 | 基于二次变换的视频处理中的裁剪操作 |
| CN119277088A (zh) * | 2019-06-10 | 2025-01-07 | 株式会社 Xris | 用于对图像信号进行编码/解码方法及其装置 |
| EP3962082A4 (en) | 2019-06-12 | 2022-10-05 | Sony Group Corporation | IMAGE PROCESSING DEVICE AND METHOD |
| GB2585030A (en) * | 2019-06-25 | 2020-12-30 | British Broadcasting Corp | Method of signalling in a video codec |
| CN112135148B (zh) * | 2019-06-25 | 2022-05-10 | 华为技术有限公司 | 非可分离变换方法以及设备 |
| EP3991416A4 (en) * | 2019-08-30 | 2022-09-07 | Alibaba Group Holding Limited | MATRIX WEIGHTED INTRA PREDICTION OF VIDEO SIGNALS |
| EP4032306A1 (en) * | 2019-09-20 | 2022-07-27 | Nokia Technologies Oy | An apparatus, a method and a computer program for video coding and decoding |
| GB2591806B (en) | 2020-02-07 | 2023-07-19 | British Broadcasting Corp | Chroma intra prediction in video coding and decoding |
| JP7536484B2 (ja) * | 2020-03-18 | 2024-08-20 | キヤノン株式会社 | 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム |
| CN115606182B (zh) | 2020-03-25 | 2026-02-06 | 抖音视界有限公司 | 使用增强二次变换的编解码视频处理 |
| KR20230133891A (ko) * | 2021-02-04 | 2023-09-19 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 비디오 코딩을 위한 잔차 및 계수 코딩 |
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| WO2024208638A1 (en) * | 2023-04-06 | 2024-10-10 | Interdigital Ce Patent Holdings, Sas | Non-separable transforms for low delay applications |
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2020
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| CN108141596A (zh) * | 2015-09-29 | 2018-06-08 | 高通股份有限公司 | 用于视频译码的非可分离二次变换 |
| CN108141594A (zh) * | 2015-10-13 | 2018-06-08 | 三星电子株式会社 | 用于对图像进行编码或解码的方法和设备 |
| CN109076230A (zh) * | 2016-05-03 | 2018-12-21 | 高通股份有限公司 | 二值化二次变换指数 |
| CN109076242A (zh) * | 2016-05-13 | 2018-12-21 | 索尼公司 | 图像处理设备和方法 |
| CN109644269A (zh) * | 2016-08-24 | 2019-04-16 | 索尼公司 | 图像处理设备、图像处理方法和程序 |
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| CN113767627A (zh) | 2021-12-07 |
| EP3932061A1 (en) | 2022-01-05 |
| JP7256293B2 (ja) | 2023-04-11 |
| JP2023089032A (ja) | 2023-06-27 |
| WO2020216299A1 (en) | 2020-10-29 |
| CN113728636B (zh) | 2022-11-04 |
| CN116743994A (zh) | 2023-09-12 |
| CN113785576A (zh) | 2021-12-10 |
| WO2020216303A1 (en) | 2020-10-29 |
| US20230262263A1 (en) | 2023-08-17 |
| CN113728636A (zh) | 2021-11-30 |
| US12389037B2 (en) | 2025-08-12 |
| US20220182675A1 (en) | 2022-06-09 |
| US11546636B2 (en) | 2023-01-03 |
| WO2020216296A1 (en) | 2020-10-29 |
| JP7509944B2 (ja) | 2024-07-02 |
| US11647229B2 (en) | 2023-05-09 |
| JP2022529055A (ja) | 2022-06-16 |
| CN113785576B (zh) | 2023-05-16 |
| US20220109876A1 (en) | 2022-04-07 |
| KR20210154151A (ko) | 2021-12-20 |
| KR102727219B1 (ko) | 2024-11-08 |
| EP3932061A4 (en) | 2022-06-01 |
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