JP6300565B2 - 動画像符号化装置、プログラム、および、集積回路 - Google Patents

動画像符号化装置、プログラム、および、集積回路 Download PDF

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JP6300565B2
JP6300565B2 JP2014029686A JP2014029686A JP6300565B2 JP 6300565 B2 JP6300565 B2 JP 6300565B2 JP 2014029686 A JP2014029686 A JP 2014029686A JP 2014029686 A JP2014029686 A JP 2014029686A JP 6300565 B2 JP6300565 B2 JP 6300565B2
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noise
frequency component
unit
noise determination
frame image
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JP2015154454A5 (enExample
JP2015154454A (ja
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岡本　彰
彰 岡本
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MegaChips Corp
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MegaChips Corp
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Priority to US14/594,507 priority patent/US10057576B2/en
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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
    • H04N19/124—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to coding

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  • 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)
JP2014029686A 2014-02-19 2014-02-19 動画像符号化装置、プログラム、および、集積回路 Active JP6300565B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014029686A JP6300565B2 (ja) 2014-02-19 2014-02-19 動画像符号化装置、プログラム、および、集積回路
US14/594,507 US10057576B2 (en) 2014-02-19 2015-01-12 Moving image coding apparatus, moving image coding method, storage medium, and integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014029686A JP6300565B2 (ja) 2014-02-19 2014-02-19 動画像符号化装置、プログラム、および、集積回路

Publications (3)

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JP2015154454A JP2015154454A (ja) 2015-08-24
JP2015154454A5 JP2015154454A5 (enExample) 2017-03-02
JP6300565B2 true JP6300565B2 (ja) 2018-03-28

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US (1) US10057576B2 (enExample)
JP (1) JP6300565B2 (enExample)

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WO2016054765A1 (en) * 2014-10-08 2016-04-14 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
US10356408B2 (en) * 2015-11-27 2019-07-16 Canon Kabushiki Kaisha Image encoding apparatus and method of controlling the same
WO2018068239A1 (zh) * 2016-10-12 2018-04-19 深圳市大疆创新科技有限公司 码率控制的方法、计算机系统和装置
KR102366520B1 (ko) * 2017-10-30 2022-02-23 한화테크윈 주식회사 영상의 노이즈 레벨 결정 방법
US10791343B2 (en) * 2018-03-13 2020-09-29 Google Llc Mixed noise and fine texture synthesis in lossy image compression
CN110830801B (zh) * 2018-08-13 2021-10-01 华为技术有限公司 视频编码速率控制方法以及相关装置
EP3837843A4 (en) * 2018-08-14 2022-05-18 Contrast, Inc. NOISE REDUCTION IN IMAGE PROCESSING
US10652552B1 (en) * 2019-02-01 2020-05-12 Google Llc Efficient noise reduction coding
KR102864473B1 (ko) * 2019-08-07 2025-09-25 한국전자통신연구원 심층 신경망을 기반으로 영상의 압축 포아송 잡음을 제거하는 방법 및 장치
WO2021230707A1 (ko) * 2020-05-15 2021-11-18 삼성전자 주식회사 압축 영상의 노이즈를 추출하는 방법 및 장치, 압축 영상의 노이즈를 저감하는 방법 및 장치
US12192477B2 (en) * 2021-03-23 2025-01-07 Samsung Electronics Co., Ltd. Quantum parameter control and the method thereof
JP2025520847A (ja) * 2022-06-30 2025-07-03 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 画像符号化および復号化のための方法および装置

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JP3347409B2 (ja) * 1993-08-26 2002-11-20 キヤノン株式会社 画像符号化装置及びその方法
US6222881B1 (en) * 1994-10-18 2001-04-24 Intel Corporation Using numbers of non-zero quantized transform signals and signal differences to determine when to encode video signals using inter-frame or intra-frame encoding
JPH09238342A (ja) * 1996-03-01 1997-09-09 Canon Inc 画像符号化装置及び方法
US7177358B2 (en) * 2000-06-27 2007-02-13 Mitsubishi Denki Kabushiki Kaisha Picture coding apparatus, and picture coding method
US7869500B2 (en) * 2004-04-27 2011-01-11 Broadcom Corporation Video encoder and method for detecting and encoding noise
JP4196929B2 (ja) * 2004-10-19 2008-12-17 日本ビクター株式会社 ノイズ検出装置及びノイズ検出プログラム
US8363717B2 (en) * 2005-05-17 2013-01-29 Canon Kabushiki Kaisha Image processing apparatus
US7920628B2 (en) * 2005-07-29 2011-04-05 Broadcom Corporation Noise filter for video compression
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JP2009044483A (ja) * 2007-08-09 2009-02-26 Panasonic Corp 画像符号化装置
EP2377321A1 (en) * 2008-12-17 2011-10-19 Telefonaktiebolaget L M Ericsson (PUBL) Adaptive quantization based on bit ratio
JP5039017B2 (ja) * 2008-12-22 2012-10-03 日本放送協会 ノイズレベル検出装置
JP5091880B2 (ja) * 2009-01-16 2012-12-05 日本放送協会 動画像ノイズ除去装置および動画像ノイズ除去プログラム
JP5251774B2 (ja) 2009-07-27 2013-07-31 ソニー株式会社 画像符号化装置および画像符号化方法
JP6199749B2 (ja) * 2014-01-16 2017-09-20 株式会社メガチップス ノイズ判定装置およびノイズ判定方法
JP6339811B2 (ja) * 2014-01-27 2018-06-06 株式会社メガチップス ノイズ判定装置、ノイズ判定方法

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Publication number Publication date
US20150237375A1 (en) 2015-08-20
JP2015154454A (ja) 2015-08-24
US10057576B2 (en) 2018-08-21

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