SG11202100270VA - Certificate image extraction method and terminal device - Google Patents

Certificate image extraction method and terminal device

Info

Publication number
SG11202100270VA
SG11202100270VA SG11202100270VA SG11202100270VA SG11202100270VA SG 11202100270V A SG11202100270V A SG 11202100270VA SG 11202100270V A SG11202100270V A SG 11202100270VA SG 11202100270V A SG11202100270V A SG 11202100270VA SG 11202100270V A SG11202100270V A SG 11202100270VA
Authority
SG
Singapore
Prior art keywords
terminal device
extraction method
image extraction
certificate image
certificate
Prior art date
Application number
SG11202100270VA
Inventor
Jinlun Huang
Donggen Xiong
Original Assignee
Ping An Technology Shenzhen Co Ltd
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 by Ping An Technology Shenzhen Co Ltd filed Critical Ping An Technology Shenzhen Co Ltd
Publication of SG11202100270VA publication Critical patent/SG11202100270VA/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • 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
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/084—Backpropagation, e.g. using gradient descent
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/60—Image enhancement or restoration using machine learning, e.g. neural networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • 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
    • G06V30/19147—Obtaining sets of training patterns; Bootstrap methods, e.g. bagging or boosting
    • 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
    • G06V30/19173—Classification techniques
    • 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
    • G06V30/40—Document-oriented image-based pattern recognition
    • 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
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/413—Classification of content, e.g. text, photographs or tables
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G06N20/10—Machine learning using kernel methods, e.g. support vector machines [SVM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • G06N7/01—Probabilistic graphical models, e.g. probabilistic networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20081—Training; Learning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20084—Artificial neural networks [ANN]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30176—Document

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Computation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Evolutionary Biology (AREA)
  • Molecular Biology (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Image Analysis (AREA)
  • Geometry (AREA)
  • Image Processing (AREA)
SG11202100270VA 2019-01-10 2019-11-13 Certificate image extraction method and terminal device SG11202100270VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910023382.2A CN109871845B (en) 2019-01-10 2019-01-10 Certificate image extraction method and terminal equipment
PCT/CN2019/118133 WO2020143316A1 (en) 2019-01-10 2019-11-13 Certificate image extraction method and terminal device

Publications (1)

Publication Number Publication Date
SG11202100270VA true SG11202100270VA (en) 2021-02-25

Family

ID=66917644

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202100270VA SG11202100270VA (en) 2019-01-10 2019-11-13 Certificate image extraction method and terminal device

Country Status (5)

Country Link
US (1) US11790499B2 (en)
JP (1) JP2021531571A (en)
CN (1) CN109871845B (en)
SG (1) SG11202100270VA (en)
WO (1) WO2020143316A1 (en)

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CN109871845B (en) 2019-01-10 2023-10-31 平安科技（深圳）有限公司 Certificate image extraction method and terminal equipment
CN110929725B (en) * 2019-12-06 2023-08-29 深圳市碧海扬帆科技有限公司 Certificate classification method, device and computer readable storage medium
CN111310746B (en) * 2020-01-15 2024-03-01 支付宝实验室(新加坡)有限公司 Text line detection method, model training method, device, server and medium
SG10202001559WA (en) * 2020-02-21 2021-03-30 Alipay Labs Singapore Pte Ltd Method and system for determining authenticity of an official document
CN113570508A (en) * 2020-04-29 2021-10-29 上海耕岩智能科技有限公司 Image restoration method and device, storage medium and terminal
CN112132812B (en) * 2020-09-24 2023-06-30 平安科技（深圳）有限公司 Certificate verification method and device, electronic equipment and medium
CN112333356B (en) * 2020-10-09 2022-09-20 支付宝实验室(新加坡)有限公司 Certificate image acquisition method, device and equipment
CN114399454A (en) * 2022-01-18 2022-04-26 平安科技（深圳）有限公司 Image processing method, image processing device, electronic equipment and storage medium

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JP2006129442A (en) * 2004-09-30 2006-05-18 Fuji Photo Film Co Ltd Image correction apparatus, method and program
JP4677226B2 (en) * 2004-12-17 2011-04-27 キヤノン株式会社 Image processing apparatus and method
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CN109871845B (en) * 2019-01-10 2023-10-31 平安科技（深圳）有限公司 Certificate image extraction method and terminal equipment

Also Published As

Publication number Publication date
US11790499B2 (en) 2023-10-17
WO2020143316A1 (en) 2020-07-16
CN109871845A (en) 2019-06-11
JP2021531571A (en) 2021-11-18
US20210166015A1 (en) 2021-06-03
CN109871845B (en) 2023-10-31

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