JP6906324B2 - 符号化装置、符号化方法、及び、プログラム - Google Patents

符号化装置、符号化方法、及び、プログラム Download PDF

Info

Publication number
JP6906324B2
JP6906324B2 JP2017029229A JP2017029229A JP6906324B2 JP 6906324 B2 JP6906324 B2 JP 6906324B2 JP 2017029229 A JP2017029229 A JP 2017029229A JP 2017029229 A JP2017029229 A JP 2017029229A JP 6906324 B2 JP6906324 B2 JP 6906324B2
Authority
JP
Japan
Prior art keywords
image
complexity
image quality
quantization parameter
quality mode
Prior art date
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.)
Expired - Fee Related
Application number
JP2017029229A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018137542A (ja
JP2018137542A5 (enExample
Inventor
小林　幸史
幸史 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017029229A priority Critical patent/JP6906324B2/ja
Priority to US15/895,508 priority patent/US10630982B2/en
Publication of JP2018137542A publication Critical patent/JP2018137542A/ja
Publication of JP2018137542A5 publication Critical patent/JP2018137542A5/ja
Application granted granted Critical
Publication of JP6906324B2 publication Critical patent/JP6906324B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/124—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134—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
    • H04N19/18—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

Landscapes

  • 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)
JP2017029229A 2017-02-20 2017-02-20 符号化装置、符号化方法、及び、プログラム Expired - Fee Related JP6906324B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017029229A JP6906324B2 (ja) 2017-02-20 2017-02-20 符号化装置、符号化方法、及び、プログラム
US15/895,508 US10630982B2 (en) 2017-02-20 2018-02-13 Encoding apparatus, encoding method, and non-transitory computer-readable storage medium for performing encoding with quantization parameters according to a feature of an image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017029229A JP6906324B2 (ja) 2017-02-20 2017-02-20 符号化装置、符号化方法、及び、プログラム

Publications (3)

Publication Number Publication Date
JP2018137542A JP2018137542A (ja) 2018-08-30
JP2018137542A5 JP2018137542A5 (enExample) 2020-04-02
JP6906324B2 true JP6906324B2 (ja) 2021-07-21

Family

ID=63168143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017029229A Expired - Fee Related JP6906324B2 (ja) 2017-02-20 2017-02-20 符号化装置、符号化方法、及び、プログラム

Country Status (2)

Country Link
US (1) US10630982B2 (enExample)
JP (1) JP6906324B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7016660B2 (ja) * 2017-10-05 2022-02-07 キヤノン株式会社 符号化装置、その制御方法、および制御プログラム、並びに撮像装置
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
AU2022218177B2 (en) * 2021-02-04 2024-02-15 Hinge Health, Inc. Patient-centered musculoskeletal (msk) care system and associated programs for therapies for different anatomical regions
CN119054278A (zh) * 2022-04-27 2024-11-29 新唐科技日本株式会社 图像编码装置及图像编码方法
CN115695793A (zh) * 2022-10-24 2023-02-03 天津津航计算技术研究所 一种jpeg图像压缩系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363717B2 (en) * 2005-05-17 2013-01-29 Canon Kabushiki Kaisha Image processing apparatus
US8064517B1 (en) * 2007-09-07 2011-11-22 Zenverge, Inc. Perceptually adaptive quantization parameter selection
US9445110B2 (en) * 2007-09-28 2016-09-13 Dolby Laboratories Licensing Corporation Video compression and transmission techniques
US8363719B2 (en) * 2007-10-29 2013-01-29 Canon Kabushiki Kaisha Encoding apparatus, method of controlling thereof, and computer program
US9473792B2 (en) * 2009-11-06 2016-10-18 Texas Instruments Incorporated Method and system to improve the performance of a video encoder
US8428381B2 (en) * 2010-06-04 2013-04-23 Altek Corporation Image compression method with variable quantization parameter
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
JP6226578B2 (ja) * 2013-06-13 2017-11-08 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム
US10097851B2 (en) * 2014-03-10 2018-10-09 Euclid Discoveries, Llc Perceptual optimization for model-based video encoding
US10091507B2 (en) * 2014-03-10 2018-10-02 Euclid Discoveries, Llc Perceptual optimization for model-based video encoding

Also Published As

Publication number Publication date
JP2018137542A (ja) 2018-08-30
US10630982B2 (en) 2020-04-21
US20180241996A1 (en) 2018-08-23

Similar Documents

Publication Publication Date Title
JP6906324B2 (ja) 符号化装置、符号化方法、及び、プログラム
US20210203949A1 (en) Image encoding apparatus and image decoding apparatus, methods of controlling the same, and non-transitory computer-readable storage medium
JP2025000917A (ja) 符号化装置
JP2015115903A (ja) 撮像装置、撮像装置の制御方法、コンピュータプログラム
JP2015050661A (ja) 符号化装置、符号化装置の制御方法、及び、コンピュータプログラム
US20230122782A1 (en) Image encoding apparatus, image encoding method, image decoding apparatus, image decoding method, and non-transitory computer-readable storage medium
JP7256658B2 (ja) 画像符号化装置及びその制御方法及びプログラム
JP2016021731A (ja) 撮像装置およびその制御方法ならびにプログラム
US10003801B2 (en) Image capturing apparatus that encodes and method of controlling the same
KR20180099369A (ko) 비디오 비트율 제어 방법, 및 이를 이용한 영상 부호화 방법 및 장치
US10516896B2 (en) Encoding device, encoding method, and storage medium
WO2016171006A1 (ja) 符号化装置および符号化方法、並びに、復号装置および復号方法
JP2020057842A (ja) 画像符号化装置及びその制御方法及びプログラム
JP2018032909A (ja) 画像符号化装置及びその制御方法及び撮像装置及びプログラム
JP2014110509A (ja) 画像符号化装置及び画像符号化方法
JP6574655B2 (ja) 撮像装置および撮像装置における符号化方法
US9942569B2 (en) Image encoding apparatus and control method of the same
JP2020109923A (ja) 画像符号化装置及びその制御方法及びプログラム
JP2021072485A (ja) 符号化装置、復号化装置、符号化方法、復号化方法、符号化プログラム及び復号化プログラム
JP6200220B2 (ja) 画像処理装置、符号化装置、復号装置、及びプログラム
JP4626644B2 (ja) 符号化装置、符号化方法、プログラム、及び、撮像装置
KR100771138B1 (ko) 촬영 장치 및 영상 보정 방법
JP2021118404A (ja) 撮像装置及びその制御方法及びプログラム
JP2022158242A (ja) 符号化装置及び方法
JP2019097030A (ja) 画像符号化装置、撮像装置、画像符号化方法、及びプログラム。

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200217

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200217

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20201222

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210104

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20210103

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210218

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210315

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210415

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210531

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210629

R151 Written notification of patent or utility model registration

Ref document number: 6906324

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees