TWI902695B - 解碼器側優化工具開關控制 - Google Patents

解碼器側優化工具開關控制

Info

Publication number
TWI902695B
TWI902695B TW109119071A TW109119071A TWI902695B TW I902695 B TWI902695 B TW I902695B TW 109119071 A TW109119071 A TW 109119071A TW 109119071 A TW109119071 A TW 109119071A TW I902695 B TWI902695 B TW I902695B
Authority
TW
Taiwan
Prior art keywords
decoder
image
side optimization
optimization tool
video
Prior art date
Application number
TW109119071A
Other languages
English (en)
Chinese (zh)
Other versions
TW202123711A (zh
Inventor
黃漢
錢威俊
法迪姆 塞瑞金
馬塔 卡茲維克茲
Original Assignee
美商高通公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW202123711A publication Critical patent/TW202123711A/zh
Application granted granted Critical
Publication of TWI902695B publication Critical patent/TWI902695B/zh

Links

Classifications

    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109119071A 2019-06-06 2020-06-05 解碼器側優化工具開關控制 TWI902695B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962858094P 2019-06-06 2019-06-06
US62/858,094 2019-06-06
US201962863080P 2019-06-18 2019-06-18
US62/863,080 2019-06-18
US16/892,714 US11172212B2 (en) 2019-06-06 2020-06-04 Decoder-side refinement tool on/off control
US16/892,714 2020-06-04

Publications (2)

Publication Number Publication Date
TW202123711A TW202123711A (zh) 2021-06-16
TWI902695B true TWI902695B (zh) 2025-11-01

Family

ID=73650874

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109119071A TWI902695B (zh) 2019-06-06 2020-06-05 解碼器側優化工具開關控制

Country Status (9)

Country Link
US (1) US11172212B2 (https=)
EP (1) EP3981159A1 (https=)
JP (2) JP7612612B2 (https=)
KR (1) KR20220017906A (https=)
CN (2) CN119697375A (https=)
BR (1) BR112021023545A2 (https=)
SG (1) SG11202112038XA (https=)
TW (1) TWI902695B (https=)
WO (1) WO2020247760A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3941061A4 (en) * 2019-03-15 2022-05-04 Lg Electronics Inc. Bdof-based inter prediction method and device
US11223840B2 (en) * 2019-08-19 2022-01-11 Tencent America LLC Method and apparatus for video coding
US12388993B2 (en) * 2021-03-29 2025-08-12 Ofinno, Llc Geometric partitioning refinement
US20240187633A1 (en) * 2021-04-21 2024-06-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
EP4367883A4 (en) * 2021-07-09 2025-05-28 OP Solutions, LLC Systems and methods for decoder-side synthesis of video sequences
WO2023219793A1 (en) * 2022-05-13 2023-11-16 Qualcomm Incorporated Mmvd merge mode with asymmetric motion vector difference
US12363306B2 (en) 2022-05-13 2025-07-15 Qualcomm Incorporated MMVD merge mode with asymmetric motion vector difference
US12413756B2 (en) * 2022-10-05 2025-09-09 Tencent America LLC Merge with motion vector difference
EP4436184A1 (en) * 2023-03-20 2024-09-25 Beijing Xiaomi Mobile Software Co., Ltd. Decoding video picture data using affine motion fields defined by control point motion vectors
CN120958812A (zh) * 2023-04-11 2025-11-14 字节跳动有限公司 用于视频处理的方法、装置和介质
WO2025149344A1 (en) * 2024-01-09 2025-07-17 Interdigital Ce Patent Holdings, Sas Mmvd candidates list for dmvr candidates
US20260046406A1 (en) * 2024-08-07 2026-02-12 Realtek Semiconductor Corp Encoder and associated signal processing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180278950A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Decoder-side motion vector derivation
US20180278949A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140098851A1 (en) * 2012-10-04 2014-04-10 Qualcomm Incorporated Indication of video properties
US20150262404A1 (en) * 2014-03-13 2015-09-17 Huawei Technologies Co., Ltd. Screen Content And Mixed Content Coding
EP3342167B1 (en) 2015-09-02 2020-12-30 MediaTek, Inc Method and apparatus of decoder side motion derivation for video coding
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
CN112913241B (zh) * 2018-10-22 2024-03-26 北京字节跳动网络技术有限公司 解码器侧运动矢量推导的限制
CN112997489B (zh) * 2018-11-06 2024-02-06 北京字节跳动网络技术有限公司 具有几何分割的帧间预测的边信息信令
US11178414B2 (en) * 2019-02-27 2021-11-16 Mediatek Inc. Classification for multiple merge tools
CN111989925B (zh) * 2019-03-22 2024-04-26 罗斯德尔动力有限责任公司 基于dmvr和bdof的帧间预测方法及其设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180278950A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Decoder-side motion vector derivation
US20180278949A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
網路文獻 Ittiam Systems Pvt. Ltd. "Non-CE9: Co-existence analysis for DMVR with BDOF" Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 9–18 Jan. 2019 https://jvet-experts.org/doc_end_user/documents/13_Marrakech/wg11/JVET-M0223-v4.zip *

Also Published As

Publication number Publication date
CN114097234A (zh) 2022-02-25
JP7612612B2 (ja) 2025-01-14
CN119697375A (zh) 2025-03-25
TW202123711A (zh) 2021-06-16
JP7746520B2 (ja) 2025-09-30
CN114097234B (zh) 2024-12-06
EP3981159A1 (en) 2022-04-13
US11172212B2 (en) 2021-11-09
SG11202112038XA (en) 2021-12-30
BR112021023545A2 (pt) 2022-01-04
JP2022535528A (ja) 2022-08-09
US20200389656A1 (en) 2020-12-10
JP2025060807A (ja) 2025-04-10
KR20220017906A (ko) 2022-02-14
WO2020247760A1 (en) 2020-12-10

Similar Documents

Publication Publication Date Title
TWI902695B (zh) 解碼器側優化工具開關控制
TWI823968B (zh) 用於視訊寫碼之波前處理的以多重歷史為基礎的非鄰接之運動向量預測器
TWI845688B (zh) 用於視訊寫碼之合併模式寫碼
TWI853918B (zh) 用於視訊寫碼之區塊內複製合併資料語法
TWI843809B (zh) 用於視訊寫碼中具有運動向量差之合併模式之信令傳輸
TWI827606B (zh) 網格寫碼之量化係數寫碼
TW202114418A (zh) 用於視訊寫碼中低頻非可分離變換之變換及最後有效係數位置信令傳輸
TW202025752A (zh) 用於仿射模式之以歷史為基礎之運動向量預測
TWI904088B (zh) 用於視訊寫碼之以梯度為基礎之預測精細化
TWI856085B (zh) 用於視訊寫碼之以梯度為基礎的預測細化
TW202041002A (zh) 解碼器側運動向量精緻化之限制
TWI878242B (zh) 向量預測器清單之產生
TW202025767A (zh) 具有適應性方向性資訊集合之最終動作向量表示
TWI851681B (zh) 用於視訊寫碼中的調色板語法的分組寫碼
TWI826487B (zh) 用於視訊寫碼中之適應性運動向量差解析度及增加的運動向量儲存精確度的運動向量捨位
TW202101989A (zh) 用於視訊寫碼之參考圖像重採樣及框間寫碼工具
TW202038611A (zh) 用於視訊寫碼之三角運動資訊
TWI902677B (zh) 用於視訊寫碼之共享候選清單及平行候選清單推導方法及器件
TW202041009A (zh) 用於轉換跳過模式之係數寫碼
TW202110177A (zh) 用於視訊寫碼之適應性迴路濾波之非線性延伸
TW202041003A (zh) 用於視訊資料之框間-框內預測模式
TW202106021A (zh) 使用非矩形預測模式減少視訊資料之預測之運動場儲存
US20190320181A1 (en) Generation of motion vector predictors from multiple neighboring blocks in video coding
TWI873150B (zh) 增強內部寫碼區塊之解碼產出量
TW202101994A (zh) 視訊寫碼中之雙向光學流