KR102318175B1 - 비트 심도에 기초한 샘플 적응형 오프셋 스케일링 - Google Patents

비트 심도에 기초한 샘플 적응형 오프셋 스케일링 Download PDF

Info

Publication number
KR102318175B1
KR102318175B1 KR1020157031521A KR20157031521A KR102318175B1 KR 102318175 B1 KR102318175 B1 KR 102318175B1 KR 1020157031521 A KR1020157031521 A KR 1020157031521A KR 20157031521 A KR20157031521 A KR 20157031521A KR 102318175 B1 KR102318175 B1 KR 102318175B1
Authority
KR
South Korea
Prior art keywords
offset
offset value
video
video data
decoding
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020157031521A
Other languages
English (en)
Korean (ko)
Other versions
KR20150140729A (ko
Inventor
우식 김
로할스 호엘 솔레
라잔 랙스맨 조쉬
마르타 카르체비츠
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20150140729A publication Critical patent/KR20150140729A/ko
Application granted granted Critical
Publication of KR102318175B1 publication Critical patent/KR102318175B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • H04N19/102—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
    • 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
    • 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
    • H04N19/186—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
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Spectrometry And Color Measurement (AREA)
KR1020157031521A 2013-04-08 2014-04-03 비트 심도에 기초한 샘플 적응형 오프셋 스케일링 Active KR102318175B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361809852P 2013-04-08 2013-04-08
US61/809,852 2013-04-08
US14/243,707 2014-04-02
US14/243,707 US10334253B2 (en) 2013-04-08 2014-04-02 Sample adaptive offset scaling based on bit-depth
PCT/US2014/032839 WO2014168812A1 (en) 2013-04-08 2014-04-03 Sample adaptive offset scaling based on bit-depth

Publications (2)

Publication Number Publication Date
KR20150140729A KR20150140729A (ko) 2015-12-16
KR102318175B1 true KR102318175B1 (ko) 2021-10-26

Family

ID=51654432

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020157031521A Active KR102318175B1 (ko) 2013-04-08 2014-04-03 비트 심도에 기초한 샘플 적응형 오프셋 스케일링

Country Status (8)

Country Link
US (1) US10334253B2 (https=)
EP (1) EP2984827B1 (https=)
JP (1) JP6301449B2 (https=)
KR (1) KR102318175B1 (https=)
CN (1) CN105165010B (https=)
BR (1) BR112015025642A2 (https=)
TW (1) TWI554081B (https=)
WO (1) WO2014168812A1 (https=)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10708588B2 (en) * 2013-06-19 2020-07-07 Apple Inc. Sample adaptive offset control
EP3026908A1 (en) * 2014-11-26 2016-06-01 Thomson Licensing Method and device for quantizing and de-quantizing a picture using scaling factors for chrominance based on luminance
CN109155853B (zh) * 2016-05-19 2023-03-28 杜比实验室特许公司 用于高动态范围图像的色度整形
WO2017208549A1 (ja) * 2016-06-01 2017-12-07 ソニー株式会社 画像処理装置及び画像処理方法
US10623737B2 (en) * 2016-10-04 2020-04-14 Qualcomm Incorporated Peak sample adaptive offset
JP6814029B2 (ja) * 2016-11-22 2021-01-13 日本放送協会 ループフィルタ、符号化装置、復号装置、及びプログラム
EP3364656A1 (en) * 2017-02-15 2018-08-22 Thomson Licensing Method for sample adaptive offset coding
KR101985833B1 (ko) * 2017-03-22 2019-06-04 국방과학연구소 인루프 필터에 관한 영상 부호화 및 복호화 장치 및 방법
RU2759218C2 (ru) * 2017-06-21 2021-11-11 Вид Скейл, Инк. Адаптивное квантование для кодирования 360-градусного видео
KR102432486B1 (ko) * 2017-11-22 2022-08-12 삼성전자주식회사 비디오 복호화 장치 및 이를 포함하는 컴퓨팅 시스템 및 비디오 복호화 방법
MX2021005901A (es) * 2018-11-21 2021-06-23 Huawei Tech Co Ltd Metodo y dispositivo de intraprediccion.
WO2020180737A1 (en) 2019-03-04 2020-09-10 Alibaba Group Holding Limited Method and system for processing video content
US20220182633A1 (en) * 2019-03-15 2022-06-09 Mediatek Inc. Method and Apparatus of Latency Reduction for Chroma Residue Scaling
WO2021093801A1 (en) * 2019-11-14 2021-05-20 Beijing Bytedance Network Technology Co., Ltd. Coding of low bit-depth visual media data
US11595644B2 (en) * 2020-10-01 2023-02-28 Tencent America LLC Method and apparatus for offset in video filtering
KR102611423B1 (ko) * 2022-07-01 2023-12-07 주식회사 네패스 이미지 스케일링 장치 및 이미지 스케일링 방법
EP4447439A1 (en) * 2023-04-14 2024-10-16 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data
CN116668713A (zh) * 2023-05-31 2023-08-29 普联技术有限公司 样点自适应补偿模式决策方法、装置、介质及终端设备
WO2026055438A1 (en) * 2024-09-08 2026-03-12 Google Llc Scaling in cross-component sample offset

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120294353A1 (en) 2011-05-16 2012-11-22 Mediatek Inc. Apparatus and Method of Sample Adaptive Offset for Luma and Chroma Components
WO2012176910A1 (ja) 2011-06-23 2012-12-27 シャープ株式会社 オフセット復号装置、オフセット符号化装置、画像フィルタ装置、および、データ構造

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204333B2 (en) * 2007-10-15 2012-06-19 Intel Corporation Converting video and image signal bit depths
US9338475B2 (en) * 2008-04-16 2016-05-10 Intel Corporation Tone mapping for bit-depth scalable video codec
US9055305B2 (en) * 2011-01-09 2015-06-09 Mediatek Inc. Apparatus and method of sample adaptive offset for video coding
CN102857746B (zh) 2011-06-28 2017-03-29 中兴通讯股份有限公司 环路滤波编解码方法及装置
US9674521B2 (en) 2011-06-28 2017-06-06 Samsung Electronics Co., Ltd. Prediction method and apparatus for chroma component of image using luma component of image
US9231616B2 (en) 2011-08-05 2016-01-05 Broadcom Corporation Unified binarization for CABAC/CAVLC entropy coding
US20130083844A1 (en) * 2011-09-30 2013-04-04 In Suk Chong Coefficient coding for sample adaptive offset and adaptive loop filter
US9955153B2 (en) * 2012-01-05 2018-04-24 Google Technology Holdings LLC Devices and methods for sample adaptive offset coding
WO2013103892A1 (en) * 2012-01-05 2013-07-11 General Instrument Corporation Devices and methods for sample adaptive offset coding and/or selection of edge offset parameters
JP2015216627A (ja) * 2014-04-23 2015-12-03 ソニー株式会社 画像処理装置及び画像処理方法
US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120294353A1 (en) 2011-05-16 2012-11-22 Mediatek Inc. Apparatus and Method of Sample Adaptive Offset for Luma and Chroma Components
WO2012176910A1 (ja) 2011-06-23 2012-12-27 シャープ株式会社 オフセット復号装置、オフセット符号化装置、画像フィルタ装置、および、データ構造
CA2840045A1 (en) * 2011-06-23 2012-12-27 Sharp Kabushiki Kaisha Offset decoding device, offset encoding device, image filter device, and data structure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross, et al. High Efficiency Video Coding (HEVC) text specification draft 10 (for FDIS & Last Call). JCTVC-L1003_v34. 2013.03.19.
Woo-Shik Kim, et al. AhG5: Offset Scaling in SAO for High Bit-depth Video Coding. JCTVC-M0335. 2013.04.09.

Also Published As

Publication number Publication date
JP2016518770A (ja) 2016-06-23
EP2984827A1 (en) 2016-02-17
EP2984827B1 (en) 2021-07-14
US10334253B2 (en) 2019-06-25
KR20150140729A (ko) 2015-12-16
TW201505421A (zh) 2015-02-01
BR112015025642A2 (pt) 2017-07-18
TWI554081B (zh) 2016-10-11
CN105165010A (zh) 2015-12-16
CN105165010B (zh) 2019-05-31
JP6301449B2 (ja) 2018-03-28
WO2014168812A1 (en) 2014-10-16
US20140301438A1 (en) 2014-10-09

Similar Documents

Publication Publication Date Title
KR102318175B1 (ko) 비트 심도에 기초한 샘플 적응형 오프셋 스케일링
CA2853798C (en) Adaptive center band offset filter for video coding
US9883203B2 (en) Adaptive overlapped block motion compensation
KR102352638B1 (ko) 비디오 코딩 프로세스에서의 계수 레벨 코딩
CA2913797C (en) Rice parameter initialization for coefficient level coding in video coding process
US9667994B2 (en) Intra-coding for 4:2:2 sample format in video coding
DK2805494T3 (en) Signaling opbrydnings filter parameters in video coding
KR102334126B1 (ko) 인트라 블록 복사를 위한 레지듀얼 예측
EP3120544B1 (en) Quantization processes for residue differential pulse code modulation
KR101772350B1 (ko) 비디오 코딩을 위한 고 정확도 명시적 가중 예측
US20130272409A1 (en) Bandwidth reduction in video coding through applying the same reference index
KR102031468B1 (ko) 팔레트 모드 코딩을 위한 이스케이프 픽셀들 코딩
WO2013158656A2 (en) Uniform granularity for quantization matrix in video coding
WO2013192537A2 (en) Transform skip mode
EP2936819B1 (en) Deblocking filter with reduced line buffer

Legal Events

Date Code Title Description
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 5