CN110463177A - 文档图像的校正方法及装置 - Google Patents

文档图像的校正方法及装置 Download PDF

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Publication number
CN110463177A
CN110463177A CN201780088942.1A CN201780088942A CN110463177A CN 110463177 A CN110463177 A CN 110463177A CN 201780088942 A CN201780088942 A CN 201780088942A CN 110463177 A CN110463177 A CN 110463177A
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CN
China
Prior art keywords
terminal
image
type
scene type
shot object
Prior art date
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Pending
Application number
CN201780088942.1A
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English (en)
Inventor
郜文美
欧阳国威
张运超
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Huawei Technologies Co Ltd
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Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN110463177A publication Critical patent/CN110463177A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • 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
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/242—Aligning, centring, orientation detection or correction of the image by image rotation, e.g. by 90 degrees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/10—Terrestrial scenes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • 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
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/247—Aligning, centring, orientation detection or correction of the image by affine transforms, e.g. correction due to perspective effects; Quadrilaterals, e.g. trapezoids

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Human Computer Interaction (AREA)
  • Studio Devices (AREA)

Abstract

根据本发明实施例提供的一种图像校正终端，其中，终端启动摄像头，进入默认拍摄模式；所述终端对被摄物进行预览得到预览图像；所述终端根据所述预览图像确定所述被摄物是否属于文档类型；当所述被摄物属于所述文档类型时，所述终端校正被摄物图像，所述被摄物图像是对所述被摄物进行拍摄得到的图像。通过本申请提供的方案，终端能够有效地检测场景类型，避免频繁检测被摄物类型导致的系统功耗。

Description

PCT国内申请，说明书已公开。

Claims (32)

  1. PCT国内申请，权利要求书已公开。
CN201780088942.1A 2017-04-06 2017-04-19 文档图像的校正方法及装置 Pending CN110463177A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710222059 2017-04-06
CN2017102220599 2017-04-06
PCT/CN2017/081146 WO2018184260A1 (zh) 2017-04-06 2017-04-19 文档图像的校正方法及装置

Publications (1)

Publication Number Publication Date
CN110463177A true CN110463177A (zh) 2019-11-15

Family

ID=63712384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780088942.1A Pending CN110463177A (zh) 2017-04-06 2017-04-19 文档图像的校正方法及装置

Country Status (3)

Country Link
US (1) US20210168279A1 (zh)
CN (1) CN110463177A (zh)
WO (1) WO2018184260A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110942054A (zh) * 2019-12-30 2020-03-31 福建天晴数码有限公司 页面内容识别方法
CN111698428A (zh) * 2020-06-23 2020-09-22 广东小天才科技有限公司 一种文档拍摄的方法、装置、电子设备和存储介质
CN113689660A (zh) * 2020-05-19 2021-11-23 上海惠芽信息技术有限公司 可穿戴设备的安全预警方法、可穿戴设备
CN113962239A (zh) * 2021-09-14 2022-01-21 北京小米移动软件有限公司 二维码扫描方法、装置、移动终端及计算机可读存储介质

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11574467B2 (en) * 2019-11-21 2023-02-07 Kyndryl, Inc. Document augmented auto complete
CN112929557A (zh) 2019-12-05 2021-06-08 北京小米移动软件有限公司 一种拍摄方法、装置、终端及存储介质
CN113794824B (zh) * 2021-09-15 2023-10-20 深圳市智像科技有限公司 室内可视化文档智能交互式采集方法、装置、系统及介质

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US20030072568A1 (en) * 2001-10-17 2003-04-17 Qian Lin Automatic document detection method and system
CN1799252A (zh) * 2003-06-02 2006-07-05 卡西欧计算机株式会社 采集图像投影装置以及采集图像校正方法
CN1941960A (zh) * 2005-09-28 2007-04-04 宋柏君 嵌入式扫描手机
CN102714692A (zh) * 2009-09-23 2012-10-03 微软公司 基于照相机的扫描
CN103810471A (zh) * 2012-11-13 2014-05-21 三星电子株式会社 识别文档图像的方法和装置及其拍摄方法
CN105868417A (zh) * 2016-05-27 2016-08-17 维沃移动通信有限公司 一种图像处理方法及移动终端
CN106210524A (zh) * 2016-07-29 2016-12-07 信利光电股份有限公司 一种摄像模组的拍摄方法及摄像模组
CN106210338A (zh) * 2016-07-25 2016-12-07 乐视控股（北京）有限公司 证件照片的生成方法及装置

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CN103458190A (zh) * 2013-09-03 2013-12-18 小米科技有限责任公司 一种拍照方法、装置及终端设备
CN106203254B (zh) * 2016-06-23 2020-02-07 青岛海信移动通信技术股份有限公司 一种调整拍照方向的方法及装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030072568A1 (en) * 2001-10-17 2003-04-17 Qian Lin Automatic document detection method and system
CN1799252A (zh) * 2003-06-02 2006-07-05 卡西欧计算机株式会社 采集图像投影装置以及采集图像校正方法
CN1941960A (zh) * 2005-09-28 2007-04-04 宋柏君 嵌入式扫描手机
CN102714692A (zh) * 2009-09-23 2012-10-03 微软公司 基于照相机的扫描
CN103810471A (zh) * 2012-11-13 2014-05-21 三星电子株式会社 识别文档图像的方法和装置及其拍摄方法
CN105868417A (zh) * 2016-05-27 2016-08-17 维沃移动通信有限公司 一种图像处理方法及移动终端
CN106210338A (zh) * 2016-07-25 2016-12-07 乐视控股（北京）有限公司 证件照片的生成方法及装置
CN106210524A (zh) * 2016-07-29 2016-12-07 信利光电股份有限公司 一种摄像模组的拍摄方法及摄像模组

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110942054A (zh) * 2019-12-30 2020-03-31 福建天晴数码有限公司 页面内容识别方法
CN110942054B (zh) * 2019-12-30 2023-06-30 福建天晴数码有限公司 页面内容识别方法
CN113689660A (zh) * 2020-05-19 2021-11-23 上海惠芽信息技术有限公司 可穿戴设备的安全预警方法、可穿戴设备
CN113689660B (zh) * 2020-05-19 2023-08-29 三六零科技集团有限公司 可穿戴设备的安全预警方法、可穿戴设备
CN111698428A (zh) * 2020-06-23 2020-09-22 广东小天才科技有限公司 一种文档拍摄的方法、装置、电子设备和存储介质
CN111698428B (zh) * 2020-06-23 2021-07-16 广东小天才科技有限公司 一种文档拍摄的方法、装置、电子设备和存储介质
CN113962239A (zh) * 2021-09-14 2022-01-21 北京小米移动软件有限公司 二维码扫描方法、装置、移动终端及计算机可读存储介质

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WO2018184260A1 (zh) 2018-10-11

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Application publication date: 20191115