JPWO2020241858A1 - - Google Patents
Info
- Publication number
- JPWO2020241858A1 JPWO2020241858A1 JP2021521890A JP2021521890A JPWO2020241858A1 JP WO2020241858 A1 JPWO2020241858 A1 JP WO2020241858A1 JP 2021521890 A JP2021521890 A JP 2021521890A JP 2021521890 A JP2021521890 A JP 2021521890A JP WO2020241858 A1 JPWO2020241858 A1 JP WO2020241858A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—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
-
- 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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- 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
- H04N19/134—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—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
- H04N19/18—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 set of transform coefficients
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
- H04N19/102—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
- H04N19/60—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024046769A JP7654856B2 (ja) | 2019-05-30 | 2024-03-22 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
| JP2025045944A JP7796924B2 (ja) | 2019-05-30 | 2025-03-19 | 画像復号装置及び記録媒体 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019101179 | 2019-05-30 | ||
| JP2019101179 | 2019-05-30 | ||
| PCT/JP2020/021432 WO2020241858A1 (ja) | 2019-05-30 | 2020-05-29 | 画像復号装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024046769A Division JP7654856B2 (ja) | 2019-05-30 | 2024-03-22 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020241858A1 true JPWO2020241858A1 (https=) | 2020-12-03 |
| JPWO2020241858A5 JPWO2020241858A5 (https=) | 2023-05-26 |
| JP7461347B2 JP7461347B2 (ja) | 2024-04-03 |
Family
ID=73552590
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021521890A Active JP7461347B2 (ja) | 2019-05-30 | 2020-05-29 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
| JP2024046769A Active JP7654856B2 (ja) | 2019-05-30 | 2024-03-22 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
| JP2025045944A Active JP7796924B2 (ja) | 2019-05-30 | 2025-03-19 | 画像復号装置及び記録媒体 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024046769A Active JP7654856B2 (ja) | 2019-05-30 | 2024-03-22 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
| JP2025045944A Active JP7796924B2 (ja) | 2019-05-30 | 2025-03-19 | 画像復号装置及び記録媒体 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US12375718B2 (https=) |
| EP (2) | EP4521739A3 (https=) |
| JP (3) | JP7461347B2 (https=) |
| CN (3) | CN120881276A (https=) |
| PL (1) | PL3979642T3 (https=) |
| WO (1) | WO2020241858A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822491B (zh) * | 2017-06-28 | 2024-05-03 | 华为技术有限公司 | 一种图像数据的编码、解码方法及装置 |
| US11252410B2 (en) | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
| JP2025010550A (ja) * | 2021-12-03 | 2025-01-22 | シャープ株式会社 | 動画像復号装置および動画像符号化装置 |
| WO2025103811A1 (en) * | 2023-11-16 | 2025-05-22 | Interdigital Ce Patent Holdings, Sas | Implicit multiple transform selection (mts) using offline transform analysis |
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| US6266370B1 (en) * | 1996-09-03 | 2001-07-24 | Nippon Telegraph And Telephone Corporation | Brightness-variation compensation method and coding/decoding apparatus for moving pictures |
| US7239755B1 (en) * | 1997-07-30 | 2007-07-03 | Lg Electronics Inc. | Method of reducing a blocking artifact when coding moving picture |
| KR100281099B1 (ko) * | 1997-07-30 | 2001-04-02 | 구자홍 | 동영상의부호화에따른블록화현상제거방법 |
| US6295320B1 (en) * | 1997-12-31 | 2001-09-25 | Lg Electronics Inc. | Inverse discrete cosine transforming system for digital television receiver |
| US6263021B1 (en) * | 1998-09-18 | 2001-07-17 | Sarnoff Corporation | Treating non-zero quantized transform coefficients as zeros during video compression processing |
| AUPQ668500A0 (en) * | 2000-04-04 | 2000-05-04 | Canon Kabushiki Kaisha | Accessing items of information |
| KR100561398B1 (ko) * | 2003-06-10 | 2006-03-16 | 삼성전자주식회사 | 동화상 내 구획별로 휘도 변화를 검출하고 보상하는 장치 및 방법 |
| KR100565308B1 (ko) * | 2003-11-24 | 2006-03-30 | 엘지전자 주식회사 | 에스엔알 스케일러빌리티를 위한 동영상 부호화 및 복호화 장치 |
| US20050281332A1 (en) * | 2004-06-22 | 2005-12-22 | Wai-Ming Lai | Transform coefficient decoding |
| EP1815474A1 (en) * | 2004-11-08 | 2007-08-08 | Koninklijke Philips Electronics N.V. | Bit detection for multitrack digital data storage |
| US7720299B2 (en) * | 2005-05-10 | 2010-05-18 | The Aerospace Corporation | Compressed data multiple description transmission and resolution conversion system |
| JP4856954B2 (ja) * | 2005-06-08 | 2012-01-18 | パナソニック株式会社 | 画像符号化装置 |
| KR20080097178A (ko) * | 2006-01-18 | 2008-11-04 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
| US20080071846A1 (en) * | 2006-09-14 | 2008-03-20 | Texas Instruments Incorporated | Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit |
| WO2008120279A1 (ja) * | 2007-03-29 | 2008-10-09 | Fujitsu Limited | 画像圧縮装置、画像圧縮方法、画像復元装置、及びプログラム |
| WO2008147125A1 (en) * | 2007-05-29 | 2008-12-04 | Lg Electronics Inc. | A method and an apparatus for processing a video signal |
| KR101712915B1 (ko) * | 2007-10-16 | 2017-03-07 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| US20110116539A1 (en) * | 2009-11-13 | 2011-05-19 | Freescale Semiconductor, Inc. | Method and apparatus for video decoding with reduced complexity inverse transform |
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| JP2020072277A (ja) * | 2017-03-03 | 2020-05-07 | シャープ株式会社 | 動画像符号化装置及び動画像復号装置 |
| WO2019065488A1 (ja) * | 2017-09-28 | 2019-04-04 | シャープ株式会社 | 画像復号装置および画像符号化装置 |
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| US11252410B2 (en) * | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
-
2020
- 2020-05-29 CN CN202511288593.0A patent/CN120881276A/zh active Pending
- 2020-05-29 CN CN202080039017.1A patent/CN113892265B/zh active Active
- 2020-05-29 EP EP25153399.8A patent/EP4521739A3/en active Pending
- 2020-05-29 CN CN202511394247.0A patent/CN120956897A/zh active Pending
- 2020-05-29 EP EP20813248.0A patent/EP3979642B1/en active Active
- 2020-05-29 JP JP2021521890A patent/JP7461347B2/ja active Active
- 2020-05-29 US US17/614,649 patent/US12375718B2/en active Active
- 2020-05-29 PL PL20813248.0T patent/PL3979642T3/pl unknown
- 2020-05-29 WO PCT/JP2020/021432 patent/WO2020241858A1/ja not_active Ceased
-
2024
- 2024-03-22 JP JP2024046769A patent/JP7654856B2/ja active Active
-
2025
- 2025-03-19 JP JP2025045944A patent/JP7796924B2/ja active Active
- 2025-06-30 US US19/254,370 patent/US20250330646A1/en active Pending
Non-Patent Citations (5)
| Title |
|---|
| BENJAMIN BROSS, JIANLE CHEN AND SHAN LIU: "Versatile Video Coding (Draft 5)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-N1001 (version 5), JPN6020026603, 14 May 2019 (2019-05-14), pages 32 - 34, ISSN: 0005269956 * |
| JANI LAINEMA: "CE6: Shape adaptive transform selection (Test 3.1)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-M0303, JPN6020026604, January 2019 (2019-01-01), pages 1 - 5, ISSN: 0005269954 * |
| MAN-SHU CHIANG ET AL.: "CE6-related: Unified implicit MTS between ISP mode and regular intra mode", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-N0089-v2, JPN6020026605, March 2019 (2019-03-01), pages 1 - 7, ISSN: 0005269955 * |
| TOMOHIRO IKAI: "Non CE6: Harmonization of implicit MTS and LFNST", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-O0214, JPN6020026606, June 2019 (2019-06-01), pages 1 - 3, ISSN: 0005269957 * |
| XIN ZHAO, XIANG LI AND SHAN LIU: "Non-CE6: Harmonization of LFNST, MIP and implicit MTS", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, vol. JVET-O0540, JPN6020026607, June 2019 (2019-06-01), pages 1 - 4, ISSN: 0005269958 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024079766A (ja) | 2024-06-11 |
| EP4521739A2 (en) | 2025-03-12 |
| US12375718B2 (en) | 2025-07-29 |
| EP3979642B1 (en) | 2025-03-12 |
| JP2025094136A (ja) | 2025-06-24 |
| EP4521739A3 (en) | 2025-05-07 |
| JP7461347B2 (ja) | 2024-04-03 |
| US20220232255A1 (en) | 2022-07-21 |
| EP3979642A4 (en) | 2023-04-05 |
| CN113892265A (zh) | 2022-01-04 |
| US20250330646A1 (en) | 2025-10-23 |
| CN120956897A (zh) | 2025-11-14 |
| JP7654856B2 (ja) | 2025-04-01 |
| CN113892265B (zh) | 2025-10-24 |
| CN120881276A (zh) | 2025-10-31 |
| WO2020241858A1 (ja) | 2020-12-03 |
| EP3979642A1 (en) | 2022-04-06 |
| JP7796924B2 (ja) | 2026-01-09 |
| PL3979642T3 (pl) | 2025-07-14 |
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