JP7033013B2 - 画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム - Google Patents

画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム Download PDF

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JP7033013B2
JP7033013B2 JP2018114689A JP2018114689A JP7033013B2 JP 7033013 B2 JP7033013 B2 JP 7033013B2 JP 2018114689 A JP2018114689 A JP 2018114689A JP 2018114689 A JP2018114689 A JP 2018114689A JP 7033013 B2 JP7033013 B2 JP 7033013B2
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quantization parameter
subband
quantization
tile
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JP2019220754A (ja
JP2019220754A5 (enExample
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浩二 磨田
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Canon Inc
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Canon Inc
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Priority to JP2018114689A priority Critical patent/JP7033013B2/ja
Priority to US16/430,824 priority patent/US11140392B2/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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2018114689A 2018-06-15 2018-06-15 画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム Active JP7033013B2 (ja)

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JP2018114689A JP7033013B2 (ja) 2018-06-15 2018-06-15 画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム
US16/430,824 US11140392B2 (en) 2018-06-15 2019-06-04 Image encoding apparatus, image decoding apparatus, control methods thereof, and non- transitory computer-readable storage medium

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JP2018114689A JP7033013B2 (ja) 2018-06-15 2018-06-15 画像符号化装置、画像復号装置、及び、それらの制御方法、並びに、プログラム

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JP2019220754A JP2019220754A (ja) 2019-12-26
JP2019220754A5 JP2019220754A5 (enExample) 2021-07-26
JP7033013B2 true JP7033013B2 (ja) 2022-03-09

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3550825A4 (en) * 2016-12-01 2020-05-13 LG Electronics Inc. -1- IMAGE DISPLAY DEVICE AND THIS IMAGE DISPLAY SYSTEM
GB2614381B (en) * 2021-11-04 2024-07-31 Canon Kk Image encoding apparatus and method for controlling the same and program
CN115984296B (zh) * 2023-03-21 2023-06-13 译企科技(成都)有限公司 一种应用多注意力机制的医学图像分割方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005150846A (ja) 2003-11-11 2005-06-09 Canon Inc 画像処理方法及び装置
JP2013138361A (ja) 2011-12-28 2013-07-11 Canon Inc 画像符号化装置、画像符号化方法及びプログラム
JP2018033044A (ja) 2016-08-25 2018-03-01 キヤノン株式会社 画像符号化装置及びその制御方法及びプログラム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154493A (en) 1998-05-21 2000-11-28 Intel Corporation Compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
US8363717B2 (en) 2005-05-17 2013-01-29 Canon Kabushiki Kaisha Image processing apparatus
RU2595625C2 (ru) * 2010-09-30 2016-08-27 Сан Пэтент Траст Способ декодирования изображений, способ кодирования изображений, устройство декодирования изображений, устройство кодирования изображений, программа и интегральная схема
JP5947641B2 (ja) 2012-07-06 2016-07-06 キヤノン株式会社 動画像符号化装置及びその制御方法、コンピュータプログラム
JP6722995B2 (ja) 2015-10-23 2020-07-15 キヤノン株式会社 符号化方法及び符号化装置、撮像装置及びプログラム
US10356408B2 (en) * 2015-11-27 2019-07-16 Canon Kabushiki Kaisha Image encoding apparatus and method of controlling the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005150846A (ja) 2003-11-11 2005-06-09 Canon Inc 画像処理方法及び装置
JP2013138361A (ja) 2011-12-28 2013-07-11 Canon Inc 画像符号化装置、画像符号化方法及びプログラム
JP2018033044A (ja) 2016-08-25 2018-03-01 キヤノン株式会社 画像符号化装置及びその制御方法及びプログラム

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US20190387228A1 (en) 2019-12-19
US11140392B2 (en) 2021-10-05

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