KR102735661B1 - 화상 처리 장치, 화상 처리 방법, 및 컴퓨터 프로그램 - Google Patents

화상 처리 장치, 화상 처리 방법, 및 컴퓨터 프로그램 Download PDF

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KR102735661B1
KR102735661B1 KR1020190077957A KR20190077957A KR102735661B1 KR 102735661 B1 KR102735661 B1 KR 102735661B1 KR 1020190077957 A KR1020190077957 A KR 1020190077957A KR 20190077957 A KR20190077957 A KR 20190077957A KR 102735661 B1 KR102735661 B1 KR 102735661B1
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luminance
image
input image
frequency component
conversion
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KR20200002683A (ko
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히데츠구 가가와
슈헤이 오가와
마야 야자와
고오타 무라사와
데츠야 스와
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캐논 가부시끼가이샤
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • H04N1/6063—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced
    • H04N1/6069—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced spatially varying within the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
    • H04N1/00167—Processing or editing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6005—Corrections within particular colour systems with luminance or chrominance signals, e.g. LC1C2, HSL or YUV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
KR1020190077957A 2018-06-29 2019-06-28 화상 처리 장치, 화상 처리 방법, 및 컴퓨터 프로그램 Active KR102735661B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JPJP-P-2018-125278 2018-06-29
JPJP-P-2018-125046 2018-06-29
JP2018125046 2018-06-29
JP2018125278 2018-06-29
JP2018207405 2018-11-02
JPJP-P-2018-207405 2018-11-02

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KR20200002683A KR20200002683A (ko) 2020-01-08
KR102735661B1 true KR102735661B1 (ko) 2024-11-29

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US (1) US11323576B2 (https=)
EP (1) EP3588930B1 (https=)
JP (2) JP7105737B2 (https=)
KR (1) KR102735661B1 (https=)
CN (1) CN110661931B (https=)

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JP7329932B2 (ja) * 2019-02-27 2023-08-21 キヤノン株式会社 画像処理装置、画像処理方法、及びプログラム
JP7433918B2 (ja) 2020-01-09 2024-02-20 キヤノン株式会社 画像処理装置及び画像処理方法
JP7431595B2 (ja) 2020-01-31 2024-02-15 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP7431596B2 (ja) * 2020-01-31 2024-02-15 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP7271492B2 (ja) * 2020-12-11 2023-05-11 シャープ株式会社 画像処理装置、および画像処理方法
JP7585074B2 (ja) 2021-02-09 2024-11-18 キヤノン株式会社 画像処理装置、印刷装置、画像処理方法、及びプログラム
JP7674903B2 (ja) 2021-05-10 2025-05-12 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
KR20230055361A (ko) 2021-10-18 2023-04-25 캐논 가부시끼가이샤 화상 처리 장치, 화상 처리 방법, 및 프로그램을 저장하는 저장 매체
JP2023162974A (ja) 2022-04-27 2023-11-09 キヤノン株式会社 印刷装置、カラーキャリブレーションの方法、及びプログラム
EP4340350A1 (en) 2022-09-15 2024-03-20 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and program
JP2024088389A (ja) 2022-12-20 2024-07-02 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム

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JP2020074501A (ja) 2020-05-14
EP3588930A1 (en) 2020-01-01
US20200007695A1 (en) 2020-01-02
KR20200002683A (ko) 2020-01-08
CN110661931B (zh) 2022-12-23
JP2022125295A (ja) 2022-08-26
JP7105737B2 (ja) 2022-07-25
CN110661931A (zh) 2020-01-07
US11323576B2 (en) 2022-05-03
JP7417674B2 (ja) 2024-01-18
EP3588930B1 (en) 2023-10-11

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