JP7137171B1 - 画像処理システム、画像処理方法、及びプログラム - Google Patents

画像処理システム、画像処理方法、及びプログラム Download PDF

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JP7137171B1
JP7137171B1 JP2022529389A JP2022529389A JP7137171B1 JP 7137171 B1 JP7137171 B1 JP 7137171B1 JP 2022529389 A JP2022529389 A JP 2022529389A JP 2022529389 A JP2022529389 A JP 2022529389A JP 7137171 B1 JP7137171 B1 JP 7137171B1
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image
region
information
line segment
processing
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Japanese (ja)
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JPWO2023007632A5 (https=
JPWO2023007632A1 (https=
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永男 蔡
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Rakuten Group Inc
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Rakuten Group Inc
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    • 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

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  • 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)

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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

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

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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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017156920A (ja) * 2016-03-01 2017-09-07 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
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
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
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

Family Cites Families (8)

* 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
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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017156920A (ja) * 2016-03-01 2017-09-07 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
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
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
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

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JPWO2023007632A1 (https=) 2023-02-02
EP4148672A1 (en) 2023-03-15
US20240257546A1 (en) 2024-08-01
WO2023007632A1 (ja) 2023-02-02
EP4148672A4 (en) 2023-03-29
US12333834B2 (en) 2025-06-17

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