JP7447258B2 - 修正された量子化器 - Google Patents

修正された量子化器 Download PDF

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JP7447258B2
JP7447258B2 JP2022529283A JP2022529283A JP7447258B2 JP 7447258 B2 JP7447258 B2 JP 7447258B2 JP 2022529283 A JP2022529283 A JP 2022529283A JP 2022529283 A JP2022529283 A JP 2022529283A JP 7447258 B2 JP7447258 B2 JP 7447258B2
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offset value
computer
quantization index
quantization
step size
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Japanese (ja)
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JP2023505950A (ja
Inventor
ジャオ，シン
ペリンガーサリー クリシュナン，マドゥー
リィウ，シャン
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • 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
    • H04N19/134—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
    • H04N19/18—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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022529283A 2020-06-11 2020-11-16 修正された量子化器 Active JP7447258B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024028884A JP7722799B2 (ja) 2020-06-11 2024-02-28 修正された量子化器

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063038010P 2020-06-11 2020-06-11
US63/038,010 2020-06-11
US17/077,471 US11381830B2 (en) 2020-06-11 2020-10-22 Modified quantizer
US17/077,471 2020-10-22
PCT/US2020/060743 WO2021252010A1 (en) 2020-06-11 2020-11-16 Modified quantizer

Related Child Applications (1)

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JP2024028884A Division JP7722799B2 (ja) 2020-06-11 2024-02-28 修正された量子化器

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JP2023505950A JP2023505950A (ja) 2023-02-14
JP7447258B2 true JP7447258B2 (ja) 2024-03-11

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JP2024028884A Active JP7722799B2 (ja) 2020-06-11 2024-02-28 修正された量子化器

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US (3) US11381830B2 (https=)
EP (1) EP4000255A4 (https=)
JP (2) JP7447258B2 (https=)
KR (1) KR102686757B1 (https=)
CN (2) CN114375571B (https=)
WO (1) WO2021252010A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024059893A (ja) * 2020-06-11 2024-05-01 テンセント・アメリカ・エルエルシー 修正された量子化器

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US20240056575A1 (en) * 2020-12-22 2024-02-15 Intellectual Discovery Co., Ltd. Deep learning-based image coding method and device
CN116207326A (zh) 2021-11-30 2023-06-02 株式会社Lg新能源 电极组件、电池单元
EP4706245A1 (en) * 2023-04-27 2026-03-11 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices on transform coefficient dequantization
KR20250033760A (ko) * 2023-09-01 2025-03-10 삼성전자주식회사 최적화된 양자화 및 역양자화를 위한 영상 복호화 장치, 영상 복호화 방법, 영상 부호화 장치, 및 영상 부호화 방법

Citations (1)

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JP2019512970A (ja) 2016-03-22 2019-05-16 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ディスプレイストリーム圧縮における量子化パラメータの適応計算のための装置および方法

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EP2647202A1 (en) * 2010-12-01 2013-10-09 iMinds Method and device for correlation channel estimation
US9451258B2 (en) * 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US9414054B2 (en) * 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
JP5986877B2 (ja) * 2012-10-17 2016-09-06 日立マクセル株式会社 画像伝送システム
US9300967B2 (en) * 2013-06-19 2016-03-29 Apple Inc. Sample adaptive offset control
EP4366308A3 (en) * 2013-06-28 2024-07-10 Velos Media International Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder
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JP2019512970A (ja) 2016-03-22 2019-05-16 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ディスプレイストリーム圧縮における量子化パラメータの適応計算のための装置および方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024059893A (ja) * 2020-06-11 2024-05-01 テンセント・アメリカ・エルエルシー 修正された量子化器
JP7722799B2 (ja) 2020-06-11 2025-08-13 テンセント・アメリカ・エルエルシー 修正された量子化器

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Publication number Publication date
WO2021252010A1 (en) 2021-12-16
EP4000255A4 (en) 2022-10-26
US20220150519A1 (en) 2022-05-12
US11882301B2 (en) 2024-01-23
EP4000255A1 (en) 2022-05-25
US20220303563A1 (en) 2022-09-22
CN118646894A (zh) 2024-09-13
JP2023505950A (ja) 2023-02-14
US11381830B2 (en) 2022-07-05
JP2024059893A (ja) 2024-05-01
KR102686757B1 (ko) 2024-07-19
CN114375571B (zh) 2024-06-04
JP7722799B2 (ja) 2025-08-13
CN114375571A (zh) 2022-04-19
US11711532B2 (en) 2023-07-25
US20210392355A1 (en) 2021-12-16
KR20220051015A (ko) 2022-04-25

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