KR102244926B1 - 채도 qp 값의 확장된 범위 - Google Patents

채도 qp 값의 확장된 범위 Download PDF

Info

Publication number
KR102244926B1
KR102244926B1 KR1020207023553A KR20207023553A KR102244926B1 KR 102244926 B1 KR102244926 B1 KR 102244926B1 KR 1020207023553 A KR1020207023553 A KR 1020207023553A KR 20207023553 A KR20207023553 A KR 20207023553A KR 102244926 B1 KR102244926 B1 KR 102244926B1
Authority
KR
South Korea
Prior art keywords
offset
saturation
component
slice
index
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
KR1020207023553A
Other languages
English (en)
Korean (ko)
Other versions
KR20200100209A (ko
Inventor
개리 제이 설리번
샌딥 카누무리
Original Assignee
마이크로소프트 테크놀로지 라이센싱, 엘엘씨
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 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 filed Critical 마이크로소프트 테크놀로지 라이센싱, 엘엘씨
Priority to KR1020217011550A priority Critical patent/KR102365388B1/ko
Publication of KR20200100209A publication Critical patent/KR20200100209A/ko
Application granted granted Critical
Publication of KR102244926B1 publication Critical patent/KR102244926B1/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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/12—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
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/44—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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Pyrane Compounds (AREA)
KR1020207023553A 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위 Active KR102244926B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020217011550A KR102365388B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261667381P 2012-07-02 2012-07-02
US61/667,381 2012-07-02
US13/732,356 US9414054B2 (en) 2012-07-02 2012-12-31 Control and use of chroma quantization parameter values
US13/732,356 2012-12-31
PCT/US2013/049100 WO2014008277A1 (en) 2012-07-02 2013-07-02 Extended range for chroma qp values

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020147036979A Division KR102147552B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020217011550A Division KR102365388B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위

Publications (2)

Publication Number Publication Date
KR20200100209A KR20200100209A (ko) 2020-08-25
KR102244926B1 true KR102244926B1 (ko) 2021-04-26

Family

ID=49778132

Family Applications (11)

Application Number Title Priority Date Filing Date
KR1020207023553A Active KR102244926B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020217011550A Active KR102365388B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020802A Active KR102660310B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020733A Active KR102643369B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020247013354A Pending KR20240058966A (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020227004735A Active KR102547712B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020147036979A Active KR102147552B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020737A Active KR102660890B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020809A Active KR102660891B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020740A Active KR102660889B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020719A Active KR102660282B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위

Family Applications After (10)

Application Number Title Priority Date Filing Date
KR1020217011550A Active KR102365388B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020802A Active KR102660310B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020733A Active KR102643369B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020247013354A Pending KR20240058966A (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020227004735A Active KR102547712B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020147036979A Active KR102147552B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020737A Active KR102660890B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020809A Active KR102660891B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020740A Active KR102660889B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020719A Active KR102660282B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위

Country Status (6)

Country Link
US (17) US9414054B2 (https=)
EP (4) EP3582499A1 (https=)
JP (1) JP6270833B2 (https=)
KR (11) KR102244926B1 (https=)
CN (1) CN104584559B (https=)
WO (1) WO2014008277A1 (https=)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9426439B2 (en) * 2013-03-12 2016-08-23 Intel Corporation Exposing media processing features
GB2512826B (en) * 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
US9294766B2 (en) * 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
EP2854404B1 (en) * 2013-09-09 2024-11-20 Apple Inc. Chroma quantization in video coding
CA2925183C (en) 2013-10-14 2020-03-10 Microsoft Technology Licensing, Llc Features of base color index map mode for video and image coding and decoding
MY189001A (en) 2014-03-04 2022-01-17 Microsoft Technology Licensing Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
WO2015131330A1 (en) 2014-03-04 2015-09-11 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths
JP2015173312A (ja) 2014-03-11 2015-10-01 ソニー株式会社 画像符号化装置および方法、並びに画像復号装置および方法
US10271052B2 (en) * 2014-03-14 2019-04-23 Qualcomm Incorporated Universal color-space inverse transform coding
JP6367359B2 (ja) 2014-03-27 2018-08-01 マイクロソフト テクノロジー ライセンシング，エルエルシー 色空間を切り替えるときの量子化／スケーリング及び逆量子化／スケーリングの調整
US20150288965A1 (en) * 2014-04-08 2015-10-08 Microsoft Corporation Adaptive quantization for video rate control
US10142642B2 (en) 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
EP2977958A1 (en) * 2014-07-22 2016-01-27 Thomson Licensing Method and apparatus for processing image data
US9716871B2 (en) 2014-09-30 2017-07-25 Apple Inc. YUV signal generation for high dynamic range video content
KR102068828B1 (ko) * 2014-09-30 2020-01-22 에이치에프아이 이노베이션 인크. 비디오 코딩을 위한 적응적 모션 벡터 레졸루션 방법
CA3171803A1 (en) 2014-09-30 2016-04-07 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
EP4436170A3 (en) 2014-10-03 2024-10-30 NEC Corporation Video coding device, video decoding device, video coding method, video decoding method and program
US9883184B2 (en) * 2014-10-07 2018-01-30 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
US10687069B2 (en) 2014-10-08 2020-06-16 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
CN104410863B (zh) * 2014-12-11 2017-07-11 上海兆芯集成电路有限公司 图像处理器以及图像处理方法
US9979969B2 (en) * 2015-04-24 2018-05-22 Fingram Co., Ltd. Method and system for image compression using image block characteristics
US20180167615A1 (en) * 2015-06-07 2018-06-14 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
CN106664405B (zh) * 2015-06-09 2020-06-09 微软技术许可有限责任公司 用调色板模式对经逸出编码的像素的稳健编码/解码
EP3104610A1 (en) * 2015-06-10 2016-12-14 Thomson Licensing Method and device for encoding color differences for color picture data
US10225561B2 (en) * 2015-10-08 2019-03-05 Mediatek Inc. Method and apparatus for syntax signaling in image and video compression
US10432936B2 (en) * 2016-04-14 2019-10-01 Qualcomm Incorporated Apparatus and methods for perceptual quantization parameter (QP) weighting for display stream compression
US10200698B2 (en) 2016-08-09 2019-02-05 Intel Corporation Determining chroma quantization parameters for video coding
US10924735B2 (en) 2016-12-28 2021-02-16 Sony Corporation Image processing apparatus and image processing method
WO2019009590A1 (ko) 2017-07-03 2019-01-10 김기백 추가 영역을 포함하는 분할 단위를 이용한 영상 복호화 방법 및 장치
CN116248866B (zh) * 2017-07-03 2025-06-10 汉阳大学校产学协力团 利用包含追加区域的分割单位的影像解码方法以及装置
US11070818B2 (en) * 2017-07-05 2021-07-20 Telefonaktiebolaget Lm Ericsson (Publ) Decoding a block of video samples
US11019339B2 (en) 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
CN114979633B (zh) * 2017-10-09 2023-10-27 佳能株式会社 用于对样本块进行滤波的方法、装置和存储介质
US10812798B2 (en) * 2017-10-19 2020-10-20 Qualcomm Incorporated Chroma quantization parameter (QP) offset
WO2019148977A1 (en) * 2018-02-01 2019-08-08 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
WO2019191218A1 (en) 2018-03-30 2019-10-03 Interdigital Vc Holdings, Inc. Chroma quantization parameter adjustment in video encoding and decoding
KR20240073164A (ko) * 2018-04-01 2024-05-24 엘지전자 주식회사 양자화 파라미터 도출에 기초한 영상 코딩 장치 및 방법
US11259023B2 (en) * 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
KR20250093592A (ko) 2018-09-21 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 역 양자화 장치 및 방법
CN112740683A (zh) * 2018-09-24 2021-04-30 交互数字Vc控股公司 用于在为亮度和色度使用单独的译码树时确定色度量化参数的方法及装置
CN113366839B (zh) * 2019-01-31 2024-01-12 北京字节跳动网络技术有限公司 视频编解码中的细化量化步骤
EP3700205A1 (en) * 2019-02-19 2020-08-26 Nokia Technologies Oy Quantization parameter derivation for cross-channel residual encoding and decoding
GB201902831D0 (en) * 2019-03-01 2019-04-17 Canon Kk Method and apparatus for encoding and decoding a video bitstream for merging regions of interest
EP3935845A4 (en) * 2019-03-05 2022-11-09 ZTE Corporation CROSS COMPONENT QUANTIFICATION IN VIDEO CODING
US11076152B2 (en) * 2019-03-18 2021-07-27 Sony Group Corporation Quantization step parameter for point cloud compression
HUE071720T2 (hu) * 2019-04-20 2025-09-28 Beijing Bytedance Network Tech Co Ltd Szintaxiselemek jelzése krominanciamaradékok együttes kódolására
SG11202111156PA (en) * 2019-04-26 2021-11-29 Huawei Tech Co Ltd Method and apparatus for signaling of mapping function of chroma quantization parameter
KR102399065B1 (ko) * 2019-05-28 2022-05-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 양자화 파라미터 시그널링
CN113994683A (zh) * 2019-06-21 2022-01-28 华为技术有限公司 用于色度量化控制的编码器、解码器和对应方法
CN114026858B (zh) * 2019-06-23 2024-08-09 夏普株式会社 用于在视频编码中导出视频块的量化参数的系统和方法
US11146823B2 (en) 2019-06-25 2021-10-12 Qualcomm Incorporated Signalling chroma quantization parameter (QP) mapping tables
US11418787B2 (en) 2019-06-28 2022-08-16 Qualcomm Incorporated Chroma delta QP in video coding
KR20220029586A (ko) * 2019-07-05 2022-03-08 엘지전자 주식회사 크로마 양자화 파라미터 데이터를 코딩하는 영상 디코딩 방법 및 그 장치
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
CN114128275A (zh) * 2019-07-12 2022-03-01 交互数字Vc控股法国有限公司 亮度到色度量化参数表信令
CN119653085A (zh) 2019-08-22 2025-03-18 Lg 电子株式会社 图像解码方法、图像编码方法和用于图像数据的传输方法
JP7343596B6 (ja) * 2019-08-23 2024-02-26 華為技術有限公司 合同クロマ符号化を使用するブロックについてクロマ・ブロッキング解除を実行するためのエンコーダ、デコーダおよび対応する方法
US11356684B2 (en) 2019-08-30 2022-06-07 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
KR102799921B1 (ko) 2019-09-14 2025-04-25 바이트댄스 아이엔씨 크로마 디블로킹 필터링을 위한 양자화 파라미터
CN114503597B (zh) * 2019-09-21 2024-03-12 字节跳动有限公司 视频编解码中的色度去方块方法
CN114424554B (zh) 2019-09-23 2024-04-09 华为技术有限公司 色度qp偏移表指示和推导的方法和装置
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
EP4029264A4 (en) 2019-10-14 2022-11-23 ByteDance Inc. Joint coding of chroma residual and filtering in video processing
WO2021083259A1 (en) 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Signaling of cross-component adaptive loop filter
WO2021118977A1 (en) 2019-12-09 2021-06-17 Bytedance Inc. Using quantization groups in video coding
WO2021121419A1 (en) 2019-12-19 2021-06-24 Beijing Bytedance Network Technology Co., Ltd. Interaction between adaptive color transform and quantization parameters
CN114868388B (zh) * 2019-12-27 2025-03-07 北京达佳互联信息技术有限公司 在4：4：4色度格式下进行视频编解码的方法和装置
WO2021138293A1 (en) 2019-12-31 2021-07-08 Bytedance Inc. Adaptive color transform in video coding
JP7436680B2 (ja) 2020-01-05 2024-02-22 北京字節跳動網絡技術有限公司 映像コーディングのための一般制約情報
AU2021206074B2 (en) 2020-01-10 2025-12-11 Samsung Electronics Co., Ltd. Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter
CN115244926A (zh) * 2020-01-14 2022-10-25 抖音视界有限公司 视频编解码中的量化参数的覆写
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding
MX2022009555A (es) 2020-02-04 2022-11-16 Huawei Tech Co Ltd Un codificador, un decodificador y métodos correspondientes sobre señalización de sintaxis de alto nivel.
US11558616B2 (en) 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
JP2021158633A (ja) * 2020-03-30 2021-10-07 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US11381820B2 (en) * 2020-04-13 2022-07-05 Tencent America LLC Method and apparatus for video coding
WO2021252645A1 (en) * 2020-06-09 2021-12-16 Alibaba Group Holding Limited Method for processing adaptive color transform and low-frequency non-separable transform in video coding
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US11979572B2 (en) * 2020-06-22 2024-05-07 Apple Inc. Adaptive quantizer design for video coding
US11032546B1 (en) * 2020-07-20 2021-06-08 Tencent America LLC Quantizer for lossless and near-lossless compression
CN117136546A (zh) * 2021-03-30 2023-11-28 创峰科技 用于视频编解码的加权预测
US11652996B2 (en) * 2021-05-25 2023-05-16 Tencent America LLC Method and apparatus for video coding
KR102488988B1 (ko) 2021-06-18 2023-01-13 이상철 자전하며 공전하는 회전날개를 갖는 수평축회전력생성장치
US12047589B2 (en) 2021-09-30 2024-07-23 Tencent America LLC Deriving offsets in cross-component transform coefficient level reconstruction
EP4195666B1 (en) 2021-12-08 2024-11-20 Axis AB An encoding device and a method for encoding an image frame including selective restriction of offset compression values
CN114051140B (zh) * 2022-01-07 2022-04-08 腾讯科技（深圳）有限公司 视频编码方法、装置、计算机设备及存储介质
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7319415B2 (en) 2002-05-01 2008-01-15 Thomson Licensing Chroma deblocking filter
CN100385956C (zh) * 2002-11-01 2008-04-30 诺基亚有限公司 用于图像编码转换的方法和设备
US7227901B2 (en) 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
US8625680B2 (en) 2003-09-07 2014-01-07 Microsoft Corporation Bitstream-controlled post-processing filtering
US8014450B2 (en) 2003-09-07 2011-09-06 Microsoft Corporation Flexible range reduction
JP4407249B2 (ja) 2003-11-18 2010-02-03 ソニー株式会社 データ処理装置およびその方法と符号化装置、その方法及びプログラム
KR100647295B1 (ko) 2004-11-10 2006-11-23 삼성전자주식회사 비디오 디코더에서의 인접 정보 처리 장치 및 방법과 그방법을 수행하기 위한 프로그램이 저장된 기록 매체
US7873105B2 (en) * 2005-04-01 2011-01-18 Broadcom Corporation Hardware implementation of optimized single inverse quantization engine for a plurality of standards
US8681867B2 (en) 2005-10-18 2014-03-25 Qualcomm Incorporated Selective deblock filtering techniques for video coding based on motion compensation resulting in a coded block pattern value
JP4769605B2 (ja) 2006-03-17 2011-09-07 富士通株式会社 動画像符号装置及び方法
US20070230564A1 (en) 2006-03-29 2007-10-04 Qualcomm Incorporated Video processing with scalability
US9445128B2 (en) 2006-12-08 2016-09-13 Freescale Semiconductor, Inc. System and method of determining deblocking control flag of scalable video system for indicating presentation of deblocking parameters for multiple layers
US9961372B2 (en) 2006-12-08 2018-05-01 Nxp Usa, Inc. Adaptive disabling of deblock filtering based on a content characteristic of video information
US8634462B2 (en) 2007-03-13 2014-01-21 Matthias Narroschke Quantization for hybrid video coding
US8204129B2 (en) 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
US8724698B2 (en) 2007-04-13 2014-05-13 Apple Inc. Method and system for video rate control
JP2009004920A (ja) * 2007-06-19 2009-01-08 Panasonic Corp 画像符号化装置および画像符号化方法
US8150187B1 (en) 2007-11-29 2012-04-03 Lsi Corporation Baseband signal quantizer estimation
JP5007259B2 (ja) 2008-03-27 2012-08-22 ルネサスエレクトロニクス株式会社 画像符号化装置
US8199823B2 (en) 2008-04-15 2012-06-12 Sony Corporation Estimation of B frame average rate quantization parameter (QP) in a group of pictures (GOP)
US8189677B2 (en) 2008-04-15 2012-05-29 Sony Corporation Estimation of P frame average rate quantization parameter (QP) in a group of pictures (GOP)
US8279924B2 (en) * 2008-10-03 2012-10-02 Qualcomm Incorporated Quantization parameter selections for encoding of chroma and luma video blocks
JP5094760B2 (ja) * 2009-02-13 2012-12-12 三菱電機株式会社 動画像符号化装置
EP2396969A4 (en) * 2009-02-13 2012-12-12 Research In Motion Ltd MODIFIED ENTROPIC CODING FOR IMAGES AND VIDEOS
KR101060495B1 (ko) 2009-03-19 2011-08-30 주식회사 코아로직 인코딩 장치와 방법 및 그 인코딩 장치를 포함한 멀티미디어 장치
US20110274162A1 (en) 2010-05-04 2011-11-10 Minhua Zhou Coding Unit Quantization Parameters in Video Coding
JP2011250400A (ja) 2010-04-27 2011-12-08 Panasonic Corp 動画像符号化装置及び動画像符号化方法
JP2011259362A (ja) 2010-06-11 2011-12-22 Sony Corp 画像処理装置および方法
US9462280B2 (en) 2010-12-21 2016-10-04 Intel Corporation Content adaptive quality restoration filtering for high efficiency video coding
US9363509B2 (en) * 2011-03-03 2016-06-07 Electronics And Telecommunications Research Institute Method for determining color difference component quantization parameter and device using the method
RU2579967C2 (ru) 2011-03-11 2016-04-10 Сони Корпорейшн Устройство и способ обработки изображений
US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
JP5770378B2 (ja) 2011-09-08 2015-08-26 モトローラ モビリティ エルエルシーＭｏｔｏｒｏｌａ Ｍｏｂｉｌｉｔｙ Ｌｌｃ 係数の矩形ブロックを量子化及び逆量子化するための方法及び機器
US9554128B2 (en) 2011-09-13 2017-01-24 Hfi Innovation Inc. Method and apparatus for reduction of deblocking filter
US9485521B2 (en) 2011-09-19 2016-11-01 Lg Electronics Inc. Encoding and decoding image using sample adaptive offset with start band indicator
US8976857B2 (en) 2011-09-23 2015-03-10 Microsoft Technology Licensing, Llc Quality-based video compression
US9185404B2 (en) 2011-10-07 2015-11-10 Qualcomm Incorporated Performing transform dependent de-blocking filtering
US9510020B2 (en) 2011-10-20 2016-11-29 Qualcomm Incorporated Intra pulse code modulation (IPCM) and lossless coding mode deblocking for video coding
US9167269B2 (en) 2011-10-25 2015-10-20 Qualcomm Incorporated Determining boundary strength values for deblocking filtering for video coding
US9538200B2 (en) 2012-01-19 2017-01-03 Qualcomm Incorporated Signaling of deblocking filter parameters in video coding
WO2013109838A1 (en) 2012-01-20 2013-07-25 Sony Corporation Chroma quantization parameter extension
US9451258B2 (en) 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9031137B2 (en) 2012-05-03 2015-05-12 Texas Instruments Incorporated Signaling signed band offset values for sample adaptive offset (SAO) filtering in video coding
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9591302B2 (en) 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
AU2013365309A1 (en) 2012-12-18 2015-04-30 Sony Corporation Image processing device and image processing method
KR20150090206A (ko) 2013-01-30 2015-08-05 인텔 코포레이션 차세대 비디오를 위한 코딩을 위한 콘텐츠 적응적 파라메트릭 변환
GB2512826B (en) 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
US10708588B2 (en) 2013-06-19 2020-07-07 Apple Inc. Sample adaptive offset control
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
US9843812B2 (en) 2014-05-23 2017-12-12 Sony Corporation Video transmission system with color gamut partitioning and method of operation thereof
US10038919B2 (en) 2014-05-29 2018-07-31 Apple Inc. In loop chroma deblocking filter
US9807410B2 (en) 2014-07-02 2017-10-31 Apple Inc. Late-stage mode conversions in pipelined video encoders
JP6194427B2 (ja) 2014-10-06 2017-09-06 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 量子化パラメータのコーディング及び導出
KR20240073164A (ko) 2018-04-01 2024-05-24 엘지전자 주식회사 양자화 파라미터 도출에 기초한 영상 코딩 장치 및 방법
CN110994133B (zh) 2019-12-19 2021-08-03 西安易朴通讯技术有限公司 一种终端设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Jun XU, et. al., "Chroma QP extension and signalling enhancement", Joint Collaborative Team on Video Coding of ITU-T SG16 WP 3 and ISO/IEC JTC 1/SC 29/ WG 11 9th Meeting, Geneva, 27 April - 7 May, 201*

Also Published As

Publication number Publication date
EP2868084B1 (en) 2019-11-06
US12556704B2 (en) 2026-02-17
US20200092557A1 (en) 2020-03-19
KR102660282B1 (ko) 2024-04-23
KR102147552B1 (ko) 2020-08-24
US12348718B2 (en) 2025-07-01
US20230034128A1 (en) 2023-02-02
EP3582499A1 (en) 2019-12-18
US20250175605A1 (en) 2025-05-29
US20160316206A1 (en) 2016-10-27
KR102660889B1 (ko) 2024-04-24
KR20220025229A (ko) 2022-03-03
CN104584559B (zh) 2018-04-06
KR20230097215A (ko) 2023-06-30
KR102547712B1 (ko) 2023-06-23
US20250047850A1 (en) 2025-02-06
US20250184489A1 (en) 2025-06-05
KR20230093379A (ko) 2023-06-27
US20190253712A1 (en) 2019-08-15
KR20210046837A (ko) 2021-04-28
US20220400262A1 (en) 2022-12-15
US12184856B2 (en) 2024-12-31
US12284348B2 (en) 2025-04-22
US20250184488A1 (en) 2025-06-05
KR20230093545A (ko) 2023-06-27
KR102660890B1 (ko) 2024-04-24
US10924740B2 (en) 2021-02-16
WO2014008277A1 (en) 2014-01-09
KR20200100209A (ko) 2020-08-25
US20230023086A1 (en) 2023-01-26
US12177437B2 (en) 2024-12-24
US12177436B2 (en) 2024-12-24
US9414054B2 (en) 2016-08-09
CN104584559A (zh) 2015-04-29
JP6270833B2 (ja) 2018-01-31
KR20230093378A (ko) 2023-06-27
US20250159168A1 (en) 2025-05-15
EP4557742A3 (en) 2025-08-20
KR102660891B1 (ko) 2024-04-24
KR102365388B1 (ko) 2022-02-18
KR20230093542A (ko) 2023-06-27
KR20230093544A (ko) 2023-06-27
EP4708868A2 (en) 2026-03-11
KR20240058966A (ko) 2024-05-03
US20140003497A1 (en) 2014-01-02
KR102643369B1 (ko) 2024-03-04
EP2868084A1 (en) 2015-05-06
US20210136380A1 (en) 2021-05-06
US20230029534A1 (en) 2023-02-02
US10491898B2 (en) 2019-11-26
US12192463B2 (en) 2025-01-07
KR102660310B1 (ko) 2024-04-23
JP2015526971A (ja) 2015-09-10
US20230036446A1 (en) 2023-02-02
EP4557742A2 (en) 2025-05-21
US12348719B2 (en) 2025-07-01
US20230026047A1 (en) 2023-01-26
KR20150034142A (ko) 2015-04-02
US20230027377A1 (en) 2023-01-26
US11457212B2 (en) 2022-09-27
US10250882B2 (en) 2019-04-02

Similar Documents

Publication Publication Date Title
US12177437B2 (en) Control and use of chroma quantization parameter values
US11943442B2 (en) Use of chroma quantization parameter offsets in deblocking

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

PA0201 Request for examination

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

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

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

PG1501 Laying open of application

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

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

A107 Divisional application of patent
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

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

PR1001 Payment of annual fee

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

Fee payment year number: 6

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: 6