CN109690568A - 一种处理方法及移动设备 - Google Patents

一种处理方法及移动设备 Download PDF

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Publication number
CN109690568A
CN109690568A CN201680088949.9A CN201680088949A CN109690568A CN 109690568 A CN109690568 A CN 109690568A CN 201680088949 A CN201680088949 A CN 201680088949A CN 109690568 A CN109690568 A CN 109690568A
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China
Prior art keywords
image
included angle
pictures
document
document image
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Pending
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CN201680088949.9A
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English (en)
Inventor
李小娟
秦超
郜文美
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN109690568A publication Critical patent/CN109690568A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • G06T5/80—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3872—Repositioning or masking
    • H04N1/3873—Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3877—Image rotation
    • H04N1/3878—Skew detection or correction
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
    • 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
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Abstract

本文公开一种处理方法及移动设备。该方法包括：接收拍摄指令；所述拍摄指令用于触发摄像头拍摄目标文档；通过边缘检测识别所述目标文档对应的文档图像的四条边；根据所述四条边确定所述文档图像对应的第一夹角；所述第一夹角用于表征所述文档图像相对所述目标文档的倾斜程度；如果所述第一夹角大于预设阈值，则触发所述摄像头向靠近所述文档图像中的远端内容的方向重新设置焦点位置，并拍摄n个图片；n是正整数；利用拍摄得到的所述图片应用几何校正，将应用几何校正后得到的至少一个图片中的一个图片作为响应所述拍摄指令的输出。上述方案可显著提高的所述文档图像中的远端内容的清晰度，改善了文档图像的校正质量。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN201680088949.9A 2016-09-12 2016-09-12 一种处理方法及移动设备 Pending CN109690568A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/098762 WO2018045596A1 (zh) 2016-09-12 2016-09-12 一种处理方法及移动设备

Publications (1)

Publication Number Publication Date
CN109690568A true CN109690568A (zh) 2019-04-26

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Country Status (4)

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US (1) US11012608B2 (zh)
EP (1) EP3506167B1 (zh)
CN (1) CN109690568A (zh)
WO (1) WO2018045596A1 (zh)

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CN110766615A (zh) * 2019-09-09 2020-02-07 北京美院帮网络科技有限公司 一种图片矫正方法、装置、终端及计算机可读存储介质
CN111698426A (zh) * 2020-06-23 2020-09-22 广东小天才科技有限公司 一种试题拍摄的方法、装置、电子设备和存储介质
CN112100122A (zh) * 2019-06-18 2020-12-18 珠海金山办公软件有限公司 一种存储图片的方法及装置
CN112733599A (zh) * 2020-12-04 2021-04-30 小米科技(武汉)有限公司 文档图像处理方法、装置、存储介质及终端设备

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WO2018112788A1 (zh) * 2016-12-21 2018-06-28 华为技术有限公司 图像处理方法及设备
EP3644281A4 (en) * 2017-06-20 2021-04-28 Sony Interactive Entertainment Inc. CALIBRATION DEVICE, CALIBRATION CHART, CHART PATTERN GENERATING DEVICE, AND CALIBRATION PROCEDURE
WO2022086533A1 (en) * 2020-10-22 2022-04-28 Hewlett-Packard Development Company, L.P. Mobile scanning device and method of scanning
CN116883461B (zh) * 2023-05-18 2024-03-01 珠海移科智能科技有限公司 一种用于获取清晰文档图像的方法及其终端装置

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CN112100122A (zh) * 2019-06-18 2020-12-18 珠海金山办公软件有限公司 一种存储图片的方法及装置
CN110766615A (zh) * 2019-09-09 2020-02-07 北京美院帮网络科技有限公司 一种图片矫正方法、装置、终端及计算机可读存储介质
CN110766615B (zh) * 2019-09-09 2023-07-14 北京美院帮网络科技有限公司 一种图片矫正方法、装置、终端及计算机可读存储介质
CN111698426A (zh) * 2020-06-23 2020-09-22 广东小天才科技有限公司 一种试题拍摄的方法、装置、电子设备和存储介质
CN112733599A (zh) * 2020-12-04 2021-04-30 小米科技(武汉)有限公司 文档图像处理方法、装置、存储介质及终端设备

Also Published As

Publication number Publication date
EP3506167B1 (en) 2022-06-22
EP3506167A1 (en) 2019-07-03
US20190356861A1 (en) 2019-11-21
US11012608B2 (en) 2021-05-18
WO2018045596A1 (zh) 2018-03-15
EP3506167A4 (en) 2019-09-25

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