KR102824986B1 - 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 - Google Patents
비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 Download PDFInfo
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- KR102824986B1 KR102824986B1 KR1020237031017A KR20237031017A KR102824986B1 KR 102824986 B1 KR102824986 B1 KR 102824986B1 KR 1020237031017 A KR1020237031017 A KR 1020237031017A KR 20237031017 A KR20237031017 A KR 20237031017A KR 102824986 B1 KR102824986 B1 KR 102824986B1
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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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
- H04N19/10—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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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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
- H04N19/10—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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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
- H04N19/10—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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
- H04N19/10—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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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
- H04N19/10—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
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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
- H04N19/10—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
-
- 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
- H04N19/10—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
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020257020577A KR20250099268A (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762442108P | 2017-01-04 | 2017-01-04 | |
| US62/442,108 | 2017-01-04 | ||
| PCT/KR2018/000181 WO2018128417A1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020227039176A KR102581456B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227039176A Division KR102581456B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020257020577A Division KR20250099268A (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20230133414A KR20230133414A (ko) | 2023-09-19 |
| KR102824986B1 true KR102824986B1 (ko) | 2025-06-26 |
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Family Applications (5)
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| KR1020237031017A Active KR102824986B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020257020577A Pending KR20250099268A (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020227001376A Active KR102466901B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020197019961A Expired - Fee Related KR102352685B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020227039176A Active KR102581456B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
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| KR1020257020577A Pending KR20250099268A (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020227001376A Active KR102466901B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020197019961A Expired - Fee Related KR102352685B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
| KR1020227039176A Active KR102581456B1 (ko) | 2017-01-04 | 2018-01-04 | 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US11051033B2 (https=) |
| EP (2) | EP3565245A4 (https=) |
| JP (6) | JP6860676B2 (https=) |
| KR (5) | KR102824986B1 (https=) |
| CN (5) | CN116156161B (https=) |
| AU (4) | AU2018206271B2 (https=) |
| WO (1) | WO2018128417A1 (https=) |
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| WO2018221631A1 (ja) * | 2017-06-02 | 2018-12-06 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| WO2018225593A1 (ja) * | 2017-06-05 | 2018-12-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| CN114697651B (zh) * | 2018-03-05 | 2023-11-14 | 松下电器（美国）知识产权公司 | 编码装置、解码装置和存储介质 |
| WO2020054784A1 (ja) * | 2018-09-11 | 2020-03-19 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| WO2020084476A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block based prediction |
| CN111083492B (zh) | 2018-10-22 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 双向光流中的梯度计算 |
| CN111436230B (zh) | 2018-11-12 | 2024-10-11 | 北京字节跳动网络技术有限公司 | 仿射预测的带宽控制方法 |
| CN113170093B (zh) | 2018-11-20 | 2023-05-02 | 北京字节跳动网络技术有限公司 | 视频处理中的细化帧间预测 |
| JP7241870B2 (ja) | 2018-11-20 | 2023-03-17 | 北京字節跳動網絡技術有限公司 | 部分的な位置に基づく差分計算 |
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| CN117499656A (zh) | 2019-04-16 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 帧内编解码模式下的矩阵推导 |
| CN113728626B (zh) | 2019-04-19 | 2023-05-30 | 北京字节跳动网络技术有限公司 | 不同运动矢量细化中的基于区域的梯度计算 |
| CN113711609B (zh) | 2019-04-19 | 2023-12-01 | 北京字节跳动网络技术有限公司 | 利用光流的预测细化过程中的增量运动矢量 |
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