JPWO2023007632A1 - - Google Patents

Info

Publication number
JPWO2023007632A1
JPWO2023007632A1 JP2022529389A JP2022529389A JPWO2023007632A1 JP WO2023007632 A1 JPWO2023007632 A1 JP WO2023007632A1 JP 2022529389 A JP2022529389 A JP 2022529389A JP 2022529389 A JP2022529389 A JP 2022529389A JP WO2023007632 A1 JPWO2023007632 A1 JP WO2023007632A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022529389A
Other languages
Japanese (ja)
Other versions
JPWO2023007632A5 (https=
JP7137171B1 (ja
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 filed Critical
Application granted granted Critical
Publication of JP7137171B1 publication Critical patent/JP7137171B1/ja
Publication of JPWO2023007632A1 publication Critical patent/JPWO2023007632A1/ja
Publication of JPWO2023007632A5 publication Critical patent/JPWO2023007632A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/412—Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/147—Determination of region of interest
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/19—Recognition using electronic means
    • G06V30/19007—Matching; Proximity measures
    • G06V30/19013—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V30/1902—Shifting or otherwise transforming the patterns to accommodate for positional errors
    • G06V30/19027—Matching of contours
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/418—Document matching, e.g. of document images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/42—Document-oriented image-based pattern recognition based on the type of document
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/07—Target detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Image Analysis (AREA)
JP2022529389A 2021-07-28 2021-07-28 画像処理システム、画像処理方法、及びプログラム Active JP7137171B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/027962 WO2023007632A1 (ja) 2021-07-28 2021-07-28 画像処理システム、画像処理方法、及びプログラム

Publications (3)

Publication Number Publication Date
JP7137171B1 JP7137171B1 (ja) 2022-09-14
JPWO2023007632A1 true JPWO2023007632A1 (https=) 2023-02-02
JPWO2023007632A5 JPWO2023007632A5 (https=) 2023-07-04

Family

ID=83279949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022529389A Active JP7137171B1 (ja) 2021-07-28 2021-07-28 画像処理システム、画像処理方法、及びプログラム

Country Status (4)

Country Link
US (1) US12333834B2 (https=)
EP (1) EP4148672A4 (https=)
JP (1) JP7137171B1 (https=)
WO (1) WO2023007632A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4379677A4 (en) * 2022-03-22 2025-01-08 Rakuten Group, Inc. IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD AND PROGRAM

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004318423A (ja) 2003-04-15 2004-11-11 Konica Minolta Photo Imaging Inc 画像処理方法、画像処理装置及び画像処理プログラム
US20130085935A1 (en) 2008-01-18 2013-04-04 Mitek Systems Systems and methods for mobile image capture and remittance processing
JP5804818B2 (ja) 2011-07-23 2015-11-04 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
JP2014164574A (ja) 2013-02-26 2014-09-08 Konica Minolta Inc 画像処理装置、画像処理方法および画像処理プログラム
JP6620038B2 (ja) * 2016-03-01 2019-12-11 株式会社日立情報通信エンジニアリング 画像処理装置及び画像処理プログラム
JP2019519844A (ja) 2016-05-24 2019-07-11 モルフォトラスト・ユーエスエー・リミテッド ライアビリティ カンパニーＭｏｒｐｈｏｔｒｕｓｔ Ｕｓａ，Ｌｌｃ 書類の画質評価
JP2019109624A (ja) * 2017-12-15 2019-07-04 キヤノン株式会社 情報処理装置、プログラム及び情報処理方法
JP6574920B1 (ja) 2018-07-06 2019-09-11 楽天株式会社 画像処理システム、画像処理方法、及びプログラム
IL262773B (en) 2018-11-04 2021-12-01 Au10Tix Ltd A system, method and computer program product for differentiating images comprising original scans of documents, from images of documents that are not original scans
WO2020208742A1 (ja) * 2019-04-10 2020-10-15 楽天株式会社 多角形検出装置、多角形検出方法、及び多角形検出プログラム
JP7322485B2 (ja) 2019-04-16 2023-08-08 大日本印刷株式会社 真贋判定装置およびプログラム
WO2021049234A1 (ja) 2019-09-12 2021-03-18 日本電気株式会社 画像解析装置、制御方法、プログラム

Also Published As

Publication number Publication date
EP4148672A1 (en) 2023-03-15
US20240257546A1 (en) 2024-08-01
WO2023007632A1 (ja) 2023-02-02
EP4148672A4 (en) 2023-03-29
JP7137171B1 (ja) 2022-09-14
US12333834B2 (en) 2025-06-17

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