JP7341758B2 - 画像処理装置、画像処理方法、及びプログラム - Google Patents

画像処理装置、画像処理方法、及びプログラム Download PDF

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Publication number
JP7341758B2
JP7341758B2 JP2019127180A JP2019127180A JP7341758B2 JP 7341758 B2 JP7341758 B2 JP 7341758B2 JP 2019127180 A JP2019127180 A JP 2019127180A JP 2019127180 A JP2019127180 A JP 2019127180A JP 7341758 B2 JP7341758 B2 JP 7341758B2
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Japan
Prior art keywords
image
edge
pixel
pixels
character
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JP2019127180A
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English (en)
Japanese (ja)
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JP2021013124A5 (https=
JP2021013124A (ja
Inventor
泰輔 石黒
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2019127180A priority Critical patent/JP7341758B2/ja
Priority to US16/920,996 priority patent/US11570331B2/en
Publication of JP2021013124A publication Critical patent/JP2021013124A/ja
Publication of JP2021013124A5 publication Critical patent/JP2021013124A5/ja
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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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10008—Still image; Photographic image from scanner, fax or copier
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Character Input (AREA)
JP2019127180A 2019-07-08 2019-07-08 画像処理装置、画像処理方法、及びプログラム Active JP7341758B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019127180A JP7341758B2 (ja) 2019-07-08 2019-07-08 画像処理装置、画像処理方法、及びプログラム
US16/920,996 US11570331B2 (en) 2019-07-08 2020-07-06 Image processing apparatus, image processing method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019127180A JP7341758B2 (ja) 2019-07-08 2019-07-08 画像処理装置、画像処理方法、及びプログラム

Publications (3)

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JP2021013124A JP2021013124A (ja) 2021-02-04
JP2021013124A5 JP2021013124A5 (https=) 2022-07-12
JP7341758B2 true JP7341758B2 (ja) 2023-09-11

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JP2019127180A Active JP7341758B2 (ja) 2019-07-08 2019-07-08 画像処理装置、画像処理方法、及びプログラム

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US (1) US11570331B2 (https=)
JP (1) JP7341758B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7646305B2 (ja) * 2020-07-15 2025-03-17 キヤノン株式会社 画像処理装置、画像処理方法、プログラム
WO2022155468A1 (en) * 2021-01-14 2022-07-21 Ofinno, Llc Sidelink sensing restriction for power saving

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000348138A (ja) 1999-06-02 2000-12-15 Pfu Ltd かすれ補正装置、かすれ補正方法および記録媒体
JP2002271611A (ja) 2001-03-14 2002-09-20 Fujitsu Ltd 画像処理装置
JP2003115031A (ja) 2001-10-03 2003-04-18 Ricoh Co Ltd 画像処理装置および方法
JP2005285006A (ja) 2004-03-30 2005-10-13 Toshiba Solutions Corp 画像処理装置および画像処理方法
JP2008010980A (ja) 2006-06-27 2008-01-17 Fujitsu Ltd 文字画像処理装置及び文字画像処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023946B1 (ko) * 2007-11-02 2011-03-28 주식회사 코아로직 객체 추적을 이용한 디지털 영상의 손떨림 보정 장치 및방법
US9694598B2 (en) * 2010-05-24 2017-07-04 Canon Kabushiki Kaisha Image processing apparatus, ink jet printing apparatus, and image processing method
JP7050599B2 (ja) * 2018-07-06 2022-04-08 シャープ株式会社 画像処理装置及び画像処理方法
US11676244B2 (en) * 2018-10-19 2023-06-13 Mineral Earth Sciences Llc Crop yield prediction at field-level and pixel-level

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000348138A (ja) 1999-06-02 2000-12-15 Pfu Ltd かすれ補正装置、かすれ補正方法および記録媒体
JP2002271611A (ja) 2001-03-14 2002-09-20 Fujitsu Ltd 画像処理装置
JP2003115031A (ja) 2001-10-03 2003-04-18 Ricoh Co Ltd 画像処理装置および方法
JP2005285006A (ja) 2004-03-30 2005-10-13 Toshiba Solutions Corp 画像処理装置および画像処理方法
JP2008010980A (ja) 2006-06-27 2008-01-17 Fujitsu Ltd 文字画像処理装置及び文字画像処理方法

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US20210014383A1 (en) 2021-01-14
US11570331B2 (en) 2023-01-31
JP2021013124A (ja) 2021-02-04

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