JP7132050B2 - テキスト行の区分化方法 - Google Patents

テキスト行の区分化方法 Download PDF

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JP7132050B2
JP7132050B2 JP2018172774A JP2018172774A JP7132050B2 JP 7132050 B2 JP7132050 B2 JP 7132050B2 JP 2018172774 A JP2018172774 A JP 2018172774A JP 2018172774 A JP2018172774 A JP 2018172774A JP 7132050 B2 JP7132050 B2 JP 7132050B2
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JP2019102061A (ja
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アガワル シュバーン
チャン ヨンミャン
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コニカ ミノルタ ラボラトリー ユー．エス．エー．，インコーポレイテッド
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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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/23—Clustering techniques
    • G06F18/232—Non-hierarchical techniques
    • G06F18/2321—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions
    • G06F18/23213—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions with fixed number of clusters, e.g. K-means clustering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—Two-dimensional [2D] image generation
    • G06T11/20—Drawing from basic elements
    • 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
    • G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
    • G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/48—Extraction of image or video features by mapping characteristic values of the pattern into a parameter space, e.g. Hough transformation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/762—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
    • G06V10/763—Non-hierarchical techniques, e.g. based on statistics of modelling distributions
    • 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
    • G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/12—Bounding box

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Artificial Intelligence (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Computation (AREA)
  • Software Systems (AREA)
  • Probability & Statistics with Applications (AREA)
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  • Geometry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
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JP2018172774A 2017-11-30 2018-09-14 テキスト行の区分化方法 Active JP7132050B2 (ja)

Applications Claiming Priority (2)

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US15/828,110 2017-11-30
US15/828,110 US10318803B1 (en) 2017-11-30 2017-11-30 Text line segmentation method

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JP2019102061A JP2019102061A (ja) 2019-06-24
JP2019102061A5 JP2019102061A5 (https=) 2019-07-25
JP7132050B2 true JP7132050B2 (ja) 2022-09-06

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CN107471648B (zh) * 2017-05-23 2018-10-12 珠海赛纳打印科技股份有限公司 用于打印技术的图像数据处理方法以及打印系统
US10956730B2 (en) * 2019-02-15 2021-03-23 Wipro Limited Method and system for identifying bold text in a digital document
CN110619333B (zh) * 2019-08-15 2022-06-14 平安国际智慧城市科技股份有限公司 一种文本行分割方法、文本行分割装置及电子设备
CN111695540B (zh) * 2020-06-17 2023-05-30 北京字节跳动网络技术有限公司 视频边框识别方法及裁剪方法、装置、电子设备及介质
CN112561928B (zh) * 2020-12-10 2024-03-08 西藏大学 一种藏文古籍的版面分析方法及系统
CN112926590B (zh) * 2021-03-18 2023-12-01 上海晨兴希姆通电子科技有限公司 线缆上字符的分割识别方法及其系统
CN115290661B (zh) * 2022-09-28 2022-12-16 江苏浚荣升新材料科技有限公司 基于计算机视觉的橡胶圈缺陷识别方法

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US5953451A (en) * 1997-06-19 1999-09-14 Xerox Corporation Method of indexing words in handwritten document images using image hash tables
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US7130445B2 (en) * 2002-01-07 2006-10-31 Xerox Corporation Systems and methods for authenticating and verifying documents
US8649600B2 (en) * 2009-07-10 2014-02-11 Palo Alto Research Center Incorporated System and method for segmenting text lines in documents
US20110052094A1 (en) * 2009-08-28 2011-03-03 Chunyu Gao Skew Correction for Scanned Japanese/English Document Images
US8606011B1 (en) * 2012-06-07 2013-12-10 Amazon Technologies, Inc. Adaptive thresholding for image recognition
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US20190163971A1 (en) 2019-05-30
US10318803B1 (en) 2019-06-11

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