JP2021077946A5 - - Google Patents

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JP2021077946A5
JP2021077946A5 JP2019201150A JP2019201150A JP2021077946A5 JP 2021077946 A5 JP2021077946 A5 JP 2021077946A5 JP 2019201150 A JP2019201150 A JP 2019201150A JP 2019201150 A JP2019201150 A JP 2019201150A JP 2021077946 A5 JP2021077946 A5 JP 2021077946A5
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JP
Japan
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transform
scaling
unit
lfnst
separable
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JP2019201150A
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Japanese (ja)
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JP2021077946A (ja
JP7402016B2 (ja
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Priority to JP2019201150A priority Critical patent/JP7402016B2/ja
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Priority to US17/087,654 priority patent/US11128891B2/en
Publication of JP2021077946A publication Critical patent/JP2021077946A/ja
Priority to US17/402,952 priority patent/US11770559B2/en
Publication of JP2021077946A5 publication Critical patent/JP2021077946A5/ja
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JP2019201150A 2019-11-06 2019-11-06 画像復号装置及び画像符号化装置 Active JP7402016B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019201150A JP7402016B2 (ja) 2019-11-06 2019-11-06 画像復号装置及び画像符号化装置
US17/087,654 US11128891B2 (en) 2019-11-06 2020-11-03 Image decoding apparatus and image coding apparatus
US17/402,952 US11770559B2 (en) 2019-11-06 2021-08-16 Image decoding apparatus and image coding apparatus for scaling transform coefficient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019201150A JP7402016B2 (ja) 2019-11-06 2019-11-06 画像復号装置及び画像符号化装置

Publications (3)

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JP2021077946A JP2021077946A (ja) 2021-05-20
JP2021077946A5 true JP2021077946A5 (https=) 2022-11-08
JP7402016B2 JP7402016B2 (ja) 2023-12-20

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JP2019201150A Active JP7402016B2 (ja) 2019-11-06 2019-11-06 画像復号装置及び画像符号化装置

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US (2) US11128891B2 (https=)
JP (1) JP7402016B2 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102772255B1 (ko) 2019-02-01 2025-02-25 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
JP7528944B2 (ja) * 2019-09-06 2024-08-06 ソニーグループ株式会社 画像処理装置および方法
US12206852B2 (en) * 2019-10-02 2025-01-21 Interdigital Ce Patent Holdings, Sas Derivation of quantization matrices for joint Cb-Br coding
WO2021173552A1 (en) 2020-02-24 2021-09-02 Bytedance Inc. Interaction between subpicture and tile row signaling
EP4097980A4 (en) * 2020-03-03 2023-04-19 ByteDance Inc. NON-SEPARABLE LOW-FREQUENCY TRANSFORMATION SIGNALING IN VIDEO ENCODING
CN115462071B (zh) 2020-03-11 2025-03-25 抖音视界有限公司 处理视频数据的方法及装置、介质、存储比特流的方法
WO2021244419A1 (en) 2020-05-31 2021-12-09 Beijing Bytedance Network Technology Co., Ltd. Constraint signaling using general constraint information syntax element
WO2022119301A1 (ko) * 2020-12-01 2022-06-09 현대자동차주식회사 인트라 예측을 이용하는 비디오 코딩 방법 및 장치
US12537952B2 (en) * 2021-04-12 2026-01-27 Lg Electronics Inc. Low-frequency non-separable transform design method and device
WO2023059056A1 (ko) * 2021-10-05 2023-04-13 엘지전자 주식회사 비분리 1차 변환에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050213851A1 (en) * 2004-03-25 2005-09-29 Wen-Kuo Lin Scaling device and method for scaling a digital picture
CA2642491A1 (en) * 2006-02-13 2007-08-23 Kabushiki Kaisha Toshiba Video encoding/decoding method and apparatus and program
US20080107176A1 (en) * 2006-11-02 2008-05-08 General Instrument Corporation Method and Apparatus for Detecting All Zero Coefficients
US8588295B2 (en) * 2009-03-09 2013-11-19 Mediatek Inc. Methods and electronic devices for quantization and de-quantization
JPWO2013154028A1 (ja) * 2012-04-13 2015-12-17 ソニー株式会社 画像処理装置および方法
CN109905710B (zh) * 2012-06-12 2021-12-21 太阳专利托管公司 动态图像编码方法及装置、动态图像解码方法及装置
US9253483B2 (en) * 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
US20200304794A1 (en) * 2019-03-21 2020-09-24 Mediatek Inc. Method and Apparatus of the Quantization Matrix Computation and Representation for Video Coding

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