JP2022533065A - 文字認識方法及び装置、電子機器並びに記憶媒体 - Google Patents

文字認識方法及び装置、電子機器並びに記憶媒体 Download PDF

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Publication number
JP2022533065A
JP2022533065A JP2021567034A JP2021567034A JP2022533065A JP 2022533065 A JP2022533065 A JP 2022533065A JP 2021567034 A JP2021567034 A JP 2021567034A JP 2021567034 A JP2021567034 A JP 2021567034A JP 2022533065 A JP2022533065 A JP 2022533065A
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target image
feature
coding
character
character recognition
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Japanese (ja)
Inventor
シアオユー ユエ
ジャンフイ クアン
チェンハオ リン
ホンビン スン
ウェイ ジャン
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Shenzhen Sensetime Technology Co Ltd
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Shenzhen Sensetime Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/191—Design or setup of recognition systems or techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G06V30/1918—Fusion techniques, i.e. combining data from various sources, e.g. sensor fusion
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V10/86—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using syntactic or structural representations of the image or video pattern, e.g. symbolic string recognition; using graph matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/18133—Extraction of features or characteristics of the image regional/local feature not essentially salient, e.g. local binary pattern
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • G06V30/1823—Extraction of features or characteristics of the image by coding the contour of the pattern using vector-coding

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computing Systems (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computational Linguistics (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Medical Informatics (AREA)
  • Character Discrimination (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
JP2021567034A 2020-04-16 2021-03-19 文字認識方法及び装置、電子機器並びに記憶媒体 Pending JP2022533065A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202010301340.3A CN111539410B (zh) 2020-04-16 2020-04-16 字符识别方法及装置、电子设备和存储介质
CN202010301340.3 2020-04-16
PCT/CN2021/081759 WO2021208666A1 (zh) 2020-04-16 2021-03-19 字符识别方法及装置、电子设备和存储介质

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JP2022533065A true JP2022533065A (ja) 2022-07-21

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JP (1) JP2022533065A (ko)
KR (1) KR20220011783A (ko)
CN (1) CN111539410B (ko)
TW (1) TW202141352A (ko)
WO (1) WO2021208666A1 (ko)

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CN111539410B (zh) * 2020-04-16 2022-09-06 深圳市商汤科技有限公司 字符识别方法及装置、电子设备和存储介质
CN113516146A (zh) * 2020-12-21 2021-10-19 腾讯科技（深圳）有限公司 一种数据分类方法、计算机及可读存储介质
CN113052156B (zh) * 2021-03-12 2023-08-04 北京百度网讯科技有限公司 光学字符识别方法、装置、电子设备和存储介质
CN113610081A (zh) * 2021-08-12 2021-11-05 北京有竹居网络技术有限公司 一种字符识别方法及其相关设备
CN115063799B (zh) * 2022-08-05 2023-04-07 中南大学 一种印刷体数学公式识别方法、装置及存储介质
CN115546810B (zh) * 2022-11-29 2023-04-11 支付宝(杭州)信息技术有限公司 图像元素类别的识别方法及装置

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JP2011081454A (ja) * 2009-10-02 2011-04-21 Sharp Corp 情報処理装置、情報処理方法、プログラムおよび記録媒体
CN108062290A (zh) * 2017-12-14 2018-05-22 北京三快在线科技有限公司 消息文本处理方法及装置、电子设备、存储介质
CN110569846A (zh) * 2019-09-16 2019-12-13 北京百度网讯科技有限公司 图像文字识别方法、装置、设备及存储介质
JP2019215647A (ja) * 2018-06-12 2019-12-19 キヤノンマーケティングジャパン株式会社 情報処理装置、その制御方法及びプログラム。

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RU2691214C1 (ru) * 2017-12-13 2019-06-11 Общество с ограниченной ответственностью "Аби Продакшн" Распознавание текста с использованием искусственного интеллекта
CN110321755A (zh) * 2018-03-28 2019-10-11 中移(苏州)软件技术有限公司 一种识别方法及装置
CN110619325B (zh) * 2018-06-20 2024-03-08 北京搜狗科技发展有限公司 一种文本识别方法及装置
US11138425B2 (en) * 2018-09-26 2021-10-05 Leverton Holding Llc Named entity recognition with convolutional networks
CN109492679A (zh) * 2018-10-24 2019-03-19 杭州电子科技大学 基于注意力机制与联结时间分类损失的文字识别方法
CN109615006B (zh) * 2018-12-10 2021-08-17 北京市商汤科技开发有限公司 文字识别方法及装置、电子设备和存储介质
CN109919174A (zh) * 2019-01-16 2019-06-21 北京大学 一种基于门控级联注意力机制的文字识别方法
CN110659640B (zh) * 2019-09-27 2021-11-30 深圳市商汤科技有限公司 文本序列的识别方法及装置、电子设备和存储介质
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JP2011081454A (ja) * 2009-10-02 2011-04-21 Sharp Corp 情報処理装置、情報処理方法、プログラムおよび記録媒体
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JP2019215647A (ja) * 2018-06-12 2019-12-19 キヤノンマーケティングジャパン株式会社 情報処理装置、その制御方法及びプログラム。
CN110569846A (zh) * 2019-09-16 2019-12-13 北京百度网讯科技有限公司 图像文字识别方法、装置、设备及存储介质
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WO2021208666A1 (zh) 2021-10-21
KR20220011783A (ko) 2022-01-28
CN111539410B (zh) 2022-09-06
TW202141352A (zh) 2021-11-01

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