KR20160033791A - 크로마 양자화 파라미터 확장 - Google Patents
크로마 양자화 파라미터 확장 Download PDFInfo
- Publication number
- KR20160033791A KR20160033791A KR1020167006347A KR20167006347A KR20160033791A KR 20160033791 A KR20160033791 A KR 20160033791A KR 1020167006347 A KR1020167006347 A KR 1020167006347A KR 20167006347 A KR20167006347 A KR 20167006347A KR 20160033791 A KR20160033791 A KR 20160033791A
- Authority
- KR
- South Korea
- Prior art keywords
- chroma
- offset
- level
- slice
- luma
- 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.)
- Ceased
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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/124—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
- H04N19/102—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/174—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
- H04N19/60—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
-
- 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
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/436—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 using parallelised computational arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Abstract
Description
도 1은 본 발명의 실시예에 따른 비디오 인코더에서의 확장된 크로마 양자화 파라미터(extended chroma quantization parameter: ECQP) 사용의 블록도이다.
도 2는 본 발명의 실시예에 따른 비디오 디코더에서의 확장된 크로마 양자화 파라미터(ECQP) 사용의 블록도이다.
도 3은 g_aucChromaScale[52] 테이블을 이용하는, 루마 QP보다 낮은 범위를 갖는 크로마 QP의 현재의 HEVC HM 5.0 매핑의 그래프이다.
도 4는 본 발명의 적어도 하나의 실시예에 따른 크로마 양자화 파라미터를 확장하기 위한 일반적인 프로세스의 흐름도이다.
도 5는 본 발명의 적어도 일 실시예에 따른 크로마 양자화 파라미터를 확장하기 위한 슬라이스 레벨 프로세스의 흐름도이다.
Claims (10)
- 화상 레벨의 크로마(chroma) 양자화 파라미터(quantization parameter: QP)의 오프셋과 슬라이스 레벨의 크로마 QP 오프셋을 포함하는 비트 스트림을 디코딩하여 양자화 데이터를 생성하고, 상기 비트 스트림으로부터, 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋을 취득하는 디코딩부와,
상기 디코딩부에 의해 취득된 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋을 루마(luma) 양자화 파라미터(quantization parameter: QP)에 가산한 파라미터를 이용하여, 크로마 QP를 설정하는 설정부와,
상기 설정부에 의해 설정된 크로마 QP를 이용하여, 상기 디코딩부에 의해 생성된 양자화 데이터를 역양자화하는 역양자화부
를 포함하는 디코딩 장치. - 제1항에 있어서,
상기 슬라이스 레벨의 크로마 QP는, 상기 비트 스트림의 슬라이스 헤더에 포함되어 있고,
상기 디코딩부는, 상기 비트 스트림의 슬라이스 헤더로부터, 슬라이스 레벨의 크로마 QP의 오프셋을 취득하는, 디코딩 장치. - 제2항에 있어서,
상기 화상 레벨의 크로마 QP는, 상기 비트 스트림의 화상 파라미터 세트에 포함되어 있고,
상기 디코딩부는, 상기 비트 스트림의 화상 파라미터 세트로부터, 화상 레벨의 크로마 QP의 오프셋을 취득하는, 디코딩 장치. - 제3항에 있어서,
상기 설정부는, 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋이 루마 QP에 가산된 파라미터와, 크로마 QP를 매핑하는 매핑 테이블을 이용하여, 크로마 QP를 설정하는, 디코딩 장치. - 제4항에 있어서,
상기 역양자화부에 의해 생성된 변환 데이터를 역직교변환하는 역직교변환부를 더 포함하는, 디코딩 장치. - 화상 레벨의 크로마(chroma) 양자화 파라미터(quantization parameter: QP)의 오프셋과 슬라이스 레벨의 크로마 QP 오프셋을 포함하는 비트 스트림을 디코딩하여 양자화 데이터를 생성하고, 상기 비트 스트림으로부터, 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋을 취득하는 단계와,
상기 취득하는 단계에 의해 취득된 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋을 루마(luma) 양자화 파라미터(quantization parameter: QP)에 가산한 파라미터를 이용하여, 크로마 QP를 설정하는 단계와,
상기 설정하는 단계에 의해 설정된 크로마 QP를 이용하여, 상기 취득하는 단계에 의해 생성된 양자화 데이터를 역양자화하는 단계
를 포함하는 디코딩 방법. - 제6항에 있어서,
상기 슬라이스 레벨의 크로마 QP는, 상기 비트 스트림의 슬라이스 헤더에 포함되어 있고,
상기 취득하는 단계는, 상기 비트 스트림의 슬라이스 헤더로부터, 슬라이스 레벨의 크로마 QP의 오프셋을 취득하는 단계를 포함하는, 디코딩 방법. - 제7항에 있어서,
상기 화상 레벨의 크로마 QP는, 상기 비트 스트림의 화상 파라미터 세트에 포함되어 있고,
상기 취득하는 단계는, 상기 비트 스트림의 화상 파라미터 세트로부터, 화상 레벨의 크로마 QP의 오프셋을 취득하는 단계를 포함하는, 디코딩 방법. - 제8항에 있어서,
상기 설정하는 단계는, 화상 레벨의 크로마 QP의 오프셋과 슬라이스 레벨의 크로마 QP의 오프셋이 루마 QP에 가산된 파라미터와, 크로마 QP를 매핑하는 매핑 테이블을 이용하여, 크로마 QP를 설정하는 단계를 포함하는, 디코딩 방법. - 제9항에 있어서,
상기 역양자화하는 단계에 의해 생성된 변환 데이터를 역직교변환하는 단계를 더 포함하는, 디코딩 방법.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261589191P | 2012-01-20 | 2012-01-20 | |
| US61/589,191 | 2012-01-20 | ||
| US201261623884P | 2012-04-13 | 2012-04-13 | |
| US61/623,884 | 2012-04-13 | ||
| US201261624870P | 2012-04-16 | 2012-04-16 | |
| US61/624,870 | 2012-04-16 | ||
| PCT/US2013/022077 WO2013109838A1 (en) | 2012-01-20 | 2013-01-18 | Chroma quantization parameter extension |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147018818A Division KR101689938B1 (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20160033791A true KR20160033791A (ko) | 2016-03-28 |
Family
ID=48797179
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167006347A Ceased KR20160033791A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006344A Ceased KR20160035603A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020197007130A Ceased KR20190029774A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006346A Ceased KR20160033790A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020147018818A Active KR101689938B1 (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020207019314A Ceased KR20200085361A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006345A Ceased KR20160035604A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006342A Active KR101856885B1 (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020197007132A Ceased KR20190028818A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167006344A Ceased KR20160035603A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020197007130A Ceased KR20190029774A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006346A Ceased KR20160033790A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020147018818A Active KR101689938B1 (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020207019314A Ceased KR20200085361A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006345A Ceased KR20160035604A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020167006342A Active KR101856885B1 (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
| KR1020197007132A Ceased KR20190028818A (ko) | 2012-01-20 | 2013-01-18 | 크로마 양자화 파라미터 확장 |
Country Status (6)
| Country | Link |
|---|---|
| US (10) | US9485502B2 (ko) |
| EP (1) | EP2789165A4 (ko) |
| JP (1) | JP5828361B2 (ko) |
| KR (9) | KR20160033791A (ko) |
| CN (11) | CN110234009B (ko) |
| WO (1) | WO2013109838A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11477453B2 (en) * | 2018-04-01 | 2022-10-18 | Lg Electronics Inc. | Image coding apparatus and method thereof based on a quantization parameter derivation |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160033791A (ko) * | 2012-01-20 | 2016-03-28 | 소니 주식회사 | 크로마 양자화 파라미터 확장 |
| 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 |
| GB2512826B (en) * | 2013-04-05 | 2017-05-10 | Canon Kk | Method and device for determining the value of a quantization parameter |
| US9510002B2 (en) * | 2013-09-09 | 2016-11-29 | Apple Inc. | Chroma quantization in video coding |
| 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 |
| US10116937B2 (en) | 2014-03-27 | 2018-10-30 | Microsoft Technology Licensing, Llc | Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces |
| US20150373327A1 (en) * | 2014-06-20 | 2015-12-24 | Qualcomm Incorporated | Block adaptive color-space conversion coding |
| EP3203739A4 (en) | 2014-10-03 | 2018-04-25 | 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 |
| WO2017052440A1 (en) * | 2015-09-23 | 2017-03-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Determination of qp values |
| DE202015106097U1 (de) * | 2015-11-11 | 2016-02-01 | Holger Blum | Fördereinrichtung für eine Vakuumdestillationsanlage |
| US10432936B2 (en) * | 2016-04-14 | 2019-10-01 | Qualcomm Incorporated | Apparatus and methods for perceptual quantization parameter (QP) weighting for display stream compression |
| CN113452999B (zh) * | 2016-07-22 | 2023-12-05 | 夏普株式会社 | 使用自适应分量缩放对视频数据进行编码的系统和方法 |
| WO2018117938A1 (en) * | 2016-12-23 | 2018-06-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Deringing filter for video coding |
| EP3643063A1 (en) * | 2017-06-21 | 2020-04-29 | Vid Scale, Inc. | Adaptive quantization for 360-degree video coding |
| US10812798B2 (en) * | 2017-10-19 | 2020-10-20 | Qualcomm Incorporated | Chroma quantization parameter (QP) offset |
| US11019338B2 (en) * | 2018-02-01 | 2021-05-25 | Mediatek Inc. | Methods and apparatuses of video encoding or decoding with adaptive quantization of video data |
| CN117176951A (zh) * | 2018-03-30 | 2023-12-05 | 交互数字Vc控股公司 | 视频编码和解码中的色度量化参数调整 |
| US11259023B2 (en) * | 2018-04-12 | 2022-02-22 | Qualcomm Incorporated | Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding |
| US11025905B2 (en) * | 2018-09-14 | 2021-06-01 | Tencent America LLC | Method and device for decoding with palette mode |
| EP3700205A1 (en) * | 2019-02-19 | 2020-08-26 | Nokia Technologies Oy | Quantization parameter derivation for cross-channel residual encoding and decoding |
| WO2020177072A1 (en) * | 2019-03-05 | 2020-09-10 | Zte Corporation | Cross-component quantization in video coding |
| AU2020283560B2 (en) | 2019-05-28 | 2021-12-23 | Dolby Laboratories Licensing Corporation | Quantization parameter signaling |
| KR20250030973A (ko) * | 2019-06-11 | 2025-03-05 | 엘지전자 주식회사 | 크로마 양자화 파라미터 데이터 기반 영상 디코딩 방법 및 그 장치 |
| CN119071479A (zh) * | 2019-06-11 | 2024-12-03 | Lg电子株式会社 | 图像编解码方法及图像数据的发送方法 |
| JP7576605B2 (ja) | 2019-07-05 | 2024-10-31 | エルジー エレクトロニクス インコーポレイティド | 映像デコード方法及びその装置 |
| KR20220029586A (ko) * | 2019-07-05 | 2022-03-08 | 엘지전자 주식회사 | 크로마 양자화 파라미터 데이터를 코딩하는 영상 디코딩 방법 및 그 장치 |
| CN119729024A (zh) | 2019-08-22 | 2025-03-28 | Lg 电子株式会社 | 图像解码方法及其设备 |
| EP4407998A3 (en) * | 2019-08-22 | 2024-09-25 | LG Electronics Inc. | Image decoding method using chroma quantization parameter, and apparatus therefor |
| US11356684B2 (en) | 2019-08-30 | 2022-06-07 | Alibaba Group Holding Limited | Method and system for signaling chroma quantization parameter table |
| WO2021061021A1 (en) * | 2019-09-23 | 2021-04-01 | Huawei Technologies Co., Ltd. | Method and apparatus for chrominance qp offsets tables signaling and derivation |
| CN115336267B (zh) * | 2019-12-06 | 2024-12-31 | 交互数字Ce专利控股有限公司 | 用于联合色度编码块的缩放过程 |
| 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 |
| CN114119789B (zh) * | 2022-01-27 | 2022-05-03 | 电子科技大学 | 基于在线学习的轻量化hevc色度图像质量增强方法 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523847A (en) * | 1992-10-09 | 1996-06-04 | International Business Machines Corporation | Digital image processor for color image compression |
| US6366614B1 (en) * | 1996-10-11 | 2002-04-02 | Qualcomm Inc. | Adaptive rate control for digital video compression |
| US6256347B1 (en) * | 1996-12-17 | 2001-07-03 | Thomson Licensing S.A. | Pixel block compression apparatus in an image processing system |
| US8374237B2 (en) * | 2001-03-02 | 2013-02-12 | Dolby Laboratories Licensing Corporation | High precision encoding and decoding of video images |
| US20030112863A1 (en) * | 2001-07-12 | 2003-06-19 | Demos Gary A. | Method and system for improving compressed image chroma information |
| US7295609B2 (en) | 2001-11-30 | 2007-11-13 | Sony Corporation | Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information |
| KR100723408B1 (ko) * | 2004-07-22 | 2007-05-30 | 삼성전자주식회사 | 컬러영상의 변환/역변환 및 양자화/역양자화 방법 및장치와, 이를 이용한 컬러영상의 부호화/복호화 방법 및장치 |
| TWI321299B (en) * | 2006-01-27 | 2010-03-01 | Taiwan Tft Lcd Ass | System and method for evaluating a dynamic color deviation of a moving image of lcd |
| US8705630B2 (en) * | 2006-02-10 | 2014-04-22 | Nvidia Corporation | Adapting one type of encoder to another type of encoder |
| FR2898754B1 (fr) * | 2006-03-17 | 2008-06-13 | Thales Sa | Procede de protection de donnees multimedia au moyen de couches d'abstraction reseau (nal) supplementaires |
| JP4354520B2 (ja) * | 2006-11-30 | 2009-10-28 | パナソニック株式会社 | 符号化装置 |
| CN101076125B (zh) * | 2007-06-18 | 2010-07-28 | 山东经济学院 | 图像压缩中RGB与YCbCr转换计算的方法 |
| 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 |
| CN100546388C (zh) * | 2007-07-12 | 2009-09-30 | 深圳市融创天下科技发展有限公司 | 一种用于视频编码的色度均衡方法 |
| US8654833B2 (en) * | 2007-09-26 | 2014-02-18 | Qualcomm Incorporated | Efficient transformation techniques for video coding |
| JP2009194776A (ja) * | 2008-02-15 | 2009-08-27 | Fujitsu Microelectronics Ltd | ノイズフィルタ |
| 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) |
| US9510016B2 (en) * | 2008-06-12 | 2016-11-29 | Thomson Licensing | Methods and apparatus for video coding and decoding with reduced bit-depth update mode and reduced chroma sampling update mode |
| CN101677400B (zh) * | 2008-09-19 | 2012-08-15 | 华为技术有限公司 | 编码、解码方法和编码器、解码器及编解码系统 |
| US8279924B2 (en) | 2008-10-03 | 2012-10-02 | Qualcomm Incorporated | Quantization parameter selections for encoding of chroma and luma video blocks |
| CN101742291B (zh) * | 2008-11-14 | 2012-11-07 | 北大方正集团有限公司 | 压缩图像目标的定位与识别方法及装置 |
| CN101466039B (zh) * | 2008-12-31 | 2011-04-13 | 中国科学院计算技术研究所 | 一种视频解码装置和方法 |
| JP5502336B2 (ja) | 2009-02-06 | 2014-05-28 | パナソニック株式会社 | 映像信号符号化装置及び、映像信号符号化方法 |
| US8660174B2 (en) * | 2010-06-15 | 2014-02-25 | Mediatek Inc. | Apparatus and method of adaptive offset for video coding |
| MX362216B (es) * | 2010-06-04 | 2019-01-09 | Sony Corp | Dispositivo y metodo de procesamiento de imagenes. |
| US8917713B2 (en) * | 2010-07-13 | 2014-12-23 | Clearview IP Holdings LLC | Method and system for managing wireless links in a communication network |
| US9185422B2 (en) * | 2010-07-15 | 2015-11-10 | Qualcomm Incorporated | Variable localized bit-depth increase for fixed-point transforms in video coding |
| KR101566366B1 (ko) * | 2011-03-03 | 2015-11-16 | 한국전자통신연구원 | 색차 성분 양자화 매개 변수 결정 방법 및 이러한 방법을 사용하는 장치 |
| CN202172024U (zh) * | 2011-05-23 | 2012-03-21 | 乐清市胜发电器有限公司 | 重量啮合式耦合器 |
| US20130032978A1 (en) * | 2011-08-01 | 2013-02-07 | Nu-Core, Inc. | Burner Gland For An Electric Arc Furnace |
| KR20160033791A (ko) * | 2012-01-20 | 2016-03-28 | 소니 주식회사 | 크로마 양자화 파라미터 확장 |
| EP3203739A4 (en) * | 2014-10-03 | 2018-04-25 | Nec Corporation | Video coding device, video decoding device, video coding method, video decoding method and program |
-
2013
- 2013-01-18 KR KR1020167006347A patent/KR20160033791A/ko not_active Ceased
- 2013-01-18 CN CN201910647776.5A patent/CN110234009B/zh active Active
- 2013-01-18 CN CN201710072292.3A patent/CN106713919B/zh active Active
- 2013-01-18 CN CN201610689179.5A patent/CN106131561B/zh active Active
- 2013-01-18 CN CN201380000132.8A patent/CN103329539B/zh active Active
- 2013-01-18 KR KR1020167006344A patent/KR20160035603A/ko not_active Ceased
- 2013-01-18 KR KR1020197007130A patent/KR20190029774A/ko not_active Ceased
- 2013-01-18 KR KR1020167006346A patent/KR20160033790A/ko not_active Ceased
- 2013-01-18 CN CN201710072295.7A patent/CN107046643B/zh active Active
- 2013-01-18 KR KR1020147018818A patent/KR101689938B1/ko active Active
- 2013-01-18 CN CN201610692602.7A patent/CN106331713B/zh active Active
- 2013-01-18 CN CN202010100786.XA patent/CN111277832B/zh active Active
- 2013-01-18 EP EP13738936.7A patent/EP2789165A4/en not_active Ceased
- 2013-01-18 KR KR1020207019314A patent/KR20200085361A/ko not_active Ceased
- 2013-01-18 CN CN201610688997.3A patent/CN106131560B/zh active Active
- 2013-01-18 JP JP2014553437A patent/JP5828361B2/ja active Active
- 2013-01-18 KR KR1020167006345A patent/KR20160035604A/ko not_active Ceased
- 2013-01-18 KR KR1020167006342A patent/KR101856885B1/ko active Active
- 2013-01-18 US US13/744,759 patent/US9485502B2/en active Active
- 2013-01-18 CN CN201610693306.9A patent/CN106303533B/zh active Active
- 2013-01-18 CN CN201610693310.5A patent/CN106170091B/zh active Active
- 2013-01-18 CN CN201610688983.1A patent/CN106162185B/zh active Active
- 2013-01-18 KR KR1020197007132A patent/KR20190028818A/ko not_active Ceased
- 2013-01-18 WO PCT/US2013/022077 patent/WO2013109838A1/en not_active Ceased
-
2016
- 2016-08-31 US US15/252,914 patent/US10063857B2/en active Active
- 2016-08-31 US US15/252,549 patent/US10110898B2/en active Active
- 2016-08-31 US US15/253,035 patent/US10225552B2/en active Active
- 2016-08-31 US US15/252,739 patent/US10075715B2/en active Active
- 2016-08-31 US US15/252,496 patent/US10063856B2/en active Active
- 2016-08-31 US US15/252,824 patent/US10148960B2/en active Active
-
2018
- 2018-08-24 US US16/111,961 patent/US10536698B2/en active Active
-
2019
- 2019-01-03 US US16/239,010 patent/US10750176B2/en active Active
-
2020
- 2020-08-17 US US16/995,735 patent/US11445192B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11477453B2 (en) * | 2018-04-01 | 2022-10-18 | Lg Electronics Inc. | Image coding apparatus and method thereof based on a quantization parameter derivation |
| US11917155B2 (en) | 2018-04-01 | 2024-02-27 | Lg Electronics Inc. | Image coding apparatus and method thereof based on a quantization parameter derivation |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101856885B1 (ko) | 크로마 양자화 파라미터 확장 | |
| HK40012119B (zh) | 色度量化参数扩展的解码方法及装置 | |
| HK1235591B (zh) | 编码装置和编码方法 | |
| HK1227587B (zh) | 解码装置和解码方法 | |
| HK1235592B (zh) | 解码装置和解码方法 | |
| HK1227586B (zh) | 编码装置和编码方法 | |
| HK1227585B (zh) | 解码装置和解码方法 | |
| HK1227584B (zh) | 解码装置和解码方法 | |
| HK1227589B (zh) | 色度量化参数扩展 | |
| HK1227588B (zh) | 编码装置和编码方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A107 | Divisional application of patent | ||
| PA0104 | Divisional application for international application |
Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20160310 Application number text: 1020147018818 Filing date: 20140707 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20180117 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20180416 Patent event code: PE09021S01D |
|
| AMND | Amendment | ||
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20181029 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20180416 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
| PN2301 | Change of applicant |
Patent event date: 20181114 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| AMND | Amendment | ||
| PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20181029 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20180615 Comment text: Amendment to Specification, etc. |
|
| PX0601 | Decision of rejection after re-examination |
Comment text: Decision to Refuse Application Patent event code: PX06014S01D Patent event date: 20190201 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20181228 Comment text: Decision to Refuse Application Patent event code: PX06011S01I Patent event date: 20181029 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20180615 Comment text: Notification of reason for refusal Patent event code: PX06013S01I Patent event date: 20180416 |


