EP1584181A1 - Mobiltelefon mit einer scan-hilfe - Google Patents
Mobiltelefon mit einer scan-hilfeInfo
- Publication number
- EP1584181A1 EP1584181A1 EP03815051A EP03815051A EP1584181A1 EP 1584181 A1 EP1584181 A1 EP 1584181A1 EP 03815051 A EP03815051 A EP 03815051A EP 03815051 A EP03815051 A EP 03815051A EP 1584181 A1 EP1584181 A1 EP 1584181A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camera
- images
- image
- document
- relative
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00307—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a mobile telephone apparatus
-
- 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
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional [2D] array
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional [2D] array
- H04N1/19594—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional [2D] array using a television camera or a still video camera
Definitions
- the invention relates to a method for scanning, in particular documents, and a mobile phone according to the preamble of claim 2.
- the use of a camera with, for example, low resolution for scanning documents is known.
- the camera or mobile phone is moved over the document from a short distance.
- a result image is generated from the images or partial images recorded in the process.
- the images are recorded, for example, with a high sampling frequency of typically 15 or 30 Hertz. For this reason, neighboring images have a very high image overlap.
- a high-resolution result image can be continuously built up by lining up narrow image strips from the respective image center and taking into account the camera shift.
- the invention has for its object in a method for scanning and to facilitate the scanning of documents in a mobile phone.
- the method or mobile phone according to the invention enables the relative position of the camera sensor to the document to be determined quickly and robustly.
- a reference pattern is faded into the field of view of the camera.
- the evaluation of the geometry of the pattern in the images enables the differences in imaging in the images to be compensated for.
- a small reference pattern is permanently projected to the same position within the camera field of view and evaluated in the recorded image by an image processing algorithm.
- the position of the sensor relative to the document is clearly determined in three-dimensional space from the geometric information of the reference pattern projected onto the document surface and imaged in the sensor.
- a suitable reference pattern is, for example, a small crosshair that is permanently projected onto the same position within the camera field of view. From the information of the crosshair size (distance) and the relative lengths of the Crosshair axes (tilt in x and y direction) the position of the sensor relative to the document is clearly determined in three-dimensional space.
- the method for determining the position of a camera K relative to a document is implemented, for example, on a cell phone or mobile radio device which has the following features:
- Camera K for example on the back of the mobile phone MT, for recording images from the surroundings
- the mobile phone MT is moved a short distance above the document.
- the characteristic features of the projection of a reference pattern F for determining the relative sensor position are roughly sketched using a constructed example:
- Case a) compared to case b)
- the camera is parallel to the document surface.
- the distance from the camera to the document is greater in case a) than in case b).
- the projected cross hair F in the camera image is smaller in case b) than in case a).
- the crosshair size is directly related to the sensor distance and can be calculated from the individual camera image.
- the camera K or the camera sensor is tilted relative to the document template.
- the position of the sensor in 3-dimensional space relative to the document can be clearly determined from the absolute size of the crosshair in connection with the information about the relative lengths of the crosshair axes.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03815051A EP1584181A1 (de) | 2003-01-15 | 2003-10-30 | Mobiltelefon mit einer scan-hilfe |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03000869A EP1439689A1 (de) | 2003-01-15 | 2003-01-15 | Mobiltelefon mit einer Scan-Hilfe |
| EP03000869 | 2003-01-15 | ||
| PCT/EP2003/012096 WO2004064383A1 (de) | 2003-01-15 | 2003-10-30 | Mobiltelefon mit einer scan-hilfe |
| EP03815051A EP1584181A1 (de) | 2003-01-15 | 2003-10-30 | Mobiltelefon mit einer scan-hilfe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1584181A1 true EP1584181A1 (de) | 2005-10-12 |
Family
ID=32524137
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03000869A Withdrawn EP1439689A1 (de) | 2003-01-15 | 2003-01-15 | Mobiltelefon mit einer Scan-Hilfe |
| EP03815051A Withdrawn EP1584181A1 (de) | 2003-01-15 | 2003-10-30 | Mobiltelefon mit einer scan-hilfe |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03000869A Withdrawn EP1439689A1 (de) | 2003-01-15 | 2003-01-15 | Mobiltelefon mit einer Scan-Hilfe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7773120B2 (de) |
| EP (2) | EP1439689A1 (de) |
| JP (1) | JP2006514797A (de) |
| CN (1) | CN1739284A (de) |
| WO (1) | WO2004064383A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0611021A2 (pt) * | 2005-05-31 | 2010-08-10 | Novartis Ag | combinação de inibidores de hmg-coa redutase e inibidores de mtor |
| US8947453B2 (en) | 2011-04-01 | 2015-02-03 | Sharp Laboratories Of America, Inc. | Methods and systems for mobile document acquisition and enhancement |
| US9094617B2 (en) | 2011-04-01 | 2015-07-28 | Sharp Laboratories Of America, Inc. | Methods and systems for real-time image-capture feedback |
| KR101352377B1 (ko) * | 2012-01-20 | 2014-01-24 | 한국지질자원연구원 | 노두의 상태를 확인하기 위한 촬영장치 |
| US9485203B2 (en) | 2013-02-08 | 2016-11-01 | Xerox Corporation | Method and system for attaching scanned documents to email replies via a mobile communications device |
| WO2015039210A1 (en) * | 2013-09-18 | 2015-03-26 | Matter and Form Inc. | Device, system and method for three-dimensional modeling |
| CN104159000B (zh) * | 2014-08-21 | 2018-09-04 | 广东欧珀移动通信有限公司 | 一种扫描图像获取方法及装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578813A (en) * | 1995-03-02 | 1996-11-26 | Allen; Ross R. | Freehand image scanning device which compensates for non-linear movement |
| US5663806A (en) * | 1995-10-03 | 1997-09-02 | International Business Machines Corp. | Non-destructive target marking for image stitching |
| DE19638882A1 (de) * | 1996-09-21 | 1998-04-02 | Kai Rosenboom | Integration von CCD-Kameras in Telefone und Funktelefone zur Aufnahme von Bildern, die als Fax versendet werden; Foto-Fax per Telefon oder GSM-Handy |
| JPH11232378A (ja) * | 1997-12-09 | 1999-08-27 | Canon Inc | デジタルカメラ、そのデジタルカメラを用いた文書処理システム、コンピュータ可読の記憶媒体、及び、プログラムコード送出装置 |
| US7038716B2 (en) * | 1999-07-30 | 2006-05-02 | Pixim, Inc. | Mobile device equipped with digital image sensor |
| JP4169462B2 (ja) * | 1999-08-26 | 2008-10-22 | 株式会社リコー | 画像処理方法及び装置、デジタルカメラ、画像処理システム、並びに、画像処理プログラムを記録した記録媒体 |
| CN1199536C (zh) * | 1999-10-26 | 2005-04-27 | 伊比登株式会社 | 多层印刷配线板及多层印刷配线板的制造方法 |
| WO2001058128A2 (en) * | 2000-02-03 | 2001-08-09 | Alst Technical Excellence Center | Active aid for a handheld camera |
| DE60101823T2 (de) * | 2000-06-09 | 2004-11-04 | Sagem S.A. | Mobiltelefon versehen mit einer Kamera |
| FR2813479A1 (fr) * | 2000-08-31 | 2002-03-01 | Sagem | Telephone mobile muni d'une camera |
| JP4010754B2 (ja) | 2000-08-10 | 2007-11-21 | 株式会社リコー | 画像処理装置と画像処理方法及びコンピュータ読み取り可能な記録媒体 |
| JP2002077707A (ja) | 2000-08-30 | 2002-03-15 | Minolta Co Ltd | 撮像装置および撮像方法 |
| JP4012710B2 (ja) * | 2001-02-14 | 2007-11-21 | 株式会社リコー | 画像入力装置 |
| US20040218069A1 (en) | 2001-03-30 | 2004-11-04 | Silverstein D Amnon | Single image digital photography with structured light for document reconstruction |
| US6978052B2 (en) * | 2002-01-28 | 2005-12-20 | Hewlett-Packard Development Company, L.P. | Alignment of images for stitching |
| DE50313038D1 (de) * | 2002-04-23 | 2010-10-14 | Palm Inc | Erzeugung eines gesamtbildes durch abtasten von teilbereichen einer vorlage scannen |
| US6834965B2 (en) * | 2003-03-21 | 2004-12-28 | Mitsubishi Electric Research Laboratories, Inc. | Self-configurable ad-hoc projector cluster |
| JP4428371B2 (ja) * | 2006-09-22 | 2010-03-10 | セイコーエプソン株式会社 | 投写型画像表示装置及び平面被投写体 |
-
2003
- 2003-01-15 EP EP03000869A patent/EP1439689A1/de not_active Withdrawn
- 2003-10-30 US US10/542,480 patent/US7773120B2/en not_active Expired - Fee Related
- 2003-10-30 WO PCT/EP2003/012096 patent/WO2004064383A1/de not_active Ceased
- 2003-10-30 JP JP2004565937A patent/JP2006514797A/ja active Pending
- 2003-10-30 EP EP03815051A patent/EP1584181A1/de not_active Withdrawn
- 2003-10-30 CN CNA2003801088166A patent/CN1739284A/zh active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004064383A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US7773120B2 (en) | 2010-08-10 |
| EP1439689A1 (de) | 2004-07-21 |
| CN1739284A (zh) | 2006-02-22 |
| JP2006514797A (ja) | 2006-05-11 |
| WO2004064383A1 (de) | 2004-07-29 |
| US20060146359A1 (en) | 2006-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20050318 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
| DAX | Request for extension of the european patent (deleted) | ||
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BENQ MOBILE GMBH & CO. OHG |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SIMON, MARKUS |
|
| 19U | Interruption of proceedings before grant |
Effective date: 20070101 |
|
| 19W | Proceedings resumed before grant after interruption of proceedings |
Effective date: 20070702 |
|
| 19W | Proceedings resumed before grant after interruption of proceedings |
Effective date: 20091001 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PALM, INC. |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: QUALCOMM INCORPORATED |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20170103 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20170516 |