JPH0810132B2 - 対象パタ−ンの回転角検出方式 - Google Patents

対象パタ−ンの回転角検出方式

Info

Publication number
JPH0810132B2
JPH0810132B2 JP61128032A JP12803286A JPH0810132B2 JP H0810132 B2 JPH0810132 B2 JP H0810132B2 JP 61128032 A JP61128032 A JP 61128032A JP 12803286 A JP12803286 A JP 12803286A JP H0810132 B2 JPH0810132 B2 JP H0810132B2
Authority
JP
Japan
Prior art keywords
target pattern
rotation angle
moment
image
gravity
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.)
Expired - Fee Related
Application number
JP61128032A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62285004A (ja
Inventor
道明 宮川
豊 石坂
昭二 下村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP61128032A priority Critical patent/JPH0810132B2/ja
Priority to US07/050,578 priority patent/US4876732A/en
Priority to DE19873718620 priority patent/DE3718620A1/de
Publication of JPS62285004A publication Critical patent/JPS62285004A/ja
Publication of JPH0810132B2 publication Critical patent/JPH0810132B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
    • G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
JP61128032A 1986-06-04 1986-06-04 対象パタ−ンの回転角検出方式 Expired - Fee Related JPH0810132B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP61128032A JPH0810132B2 (ja) 1986-06-04 1986-06-04 対象パタ−ンの回転角検出方式
US07/050,578 US4876732A (en) 1986-06-04 1987-05-18 System for detecting rotational angle of objective pattern
DE19873718620 DE3718620A1 (de) 1986-06-04 1987-06-03 Verfahren und vorrichtung zur ermittlung des drehwinkels eines objektmusters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61128032A JPH0810132B2 (ja) 1986-06-04 1986-06-04 対象パタ−ンの回転角検出方式

Publications (2)

Publication Number Publication Date
JPS62285004A JPS62285004A (ja) 1987-12-10
JPH0810132B2 true JPH0810132B2 (ja) 1996-01-31

Family

ID=14974823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61128032A Expired - Fee Related JPH0810132B2 (ja) 1986-06-04 1986-06-04 対象パタ−ンの回転角検出方式

Country Status (3)

Country Link
US (1) US4876732A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0810132B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3718620A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6483102A (en) * 1987-09-25 1989-03-28 Fuji Electrochemical Co Ltd Method for detecting position of article by visual sensor
JPH01220075A (ja) * 1988-02-29 1989-09-01 Nippon Taisanbin Kogyo Kk 表示部読取方法
ATE179007T1 (de) * 1989-01-25 1999-04-15 Omron Tateisi Electronics Co Bildverarbeitungssystem
US5060276A (en) * 1989-05-31 1991-10-22 At&T Bell Laboratories Technique for object orientation detection using a feed-forward neural network
JPH03223976A (ja) * 1990-01-29 1991-10-02 Ezel Inc 画像照合装置
JPH041869A (ja) * 1990-04-19 1992-01-07 Nippon Sheet Glass Co Ltd 画像照合方法
US5317652A (en) * 1991-06-05 1994-05-31 Phoenix Imaging Rotation and position invariant optical character recognition
US5276742A (en) * 1991-11-19 1994-01-04 Xerox Corporation Rapid detection of page orientation
US6205259B1 (en) * 1992-04-09 2001-03-20 Olympus Optical Co., Ltd. Image processing apparatus
US5590224A (en) * 1992-10-19 1996-12-31 Fast; Bruce B. OCR image preprocessing method for image enhancement of scanned documents by correction of registration
DE59403321D1 (de) * 1993-08-09 1997-08-14 Siemens Ag Verfahren zur erkennung der räumlichen lage und drehlage von in geeigneter weise markierten objekten in digitalen bildfolgen
US5850468A (en) * 1995-04-11 1998-12-15 Matsushita Electric Industrial Co., Ltd. Flaw detection apparatus
ATE206833T1 (de) * 1997-11-17 2001-10-15 Datalogic Spa Maxicode-lokalisierungsverfahren
RU2163395C2 (ru) * 1998-10-06 2001-02-20 Пензенский технологический институт Устройство для селекции изображений и измерения размеров объектов
KR100946888B1 (ko) * 2003-01-30 2010-03-09 삼성전자주식회사 영상화면 내의 피사체의 기울기 보정 장치 및 방법
GB2447073B (en) * 2007-02-28 2012-02-22 Adrian Lynley Ashley Matrix pattern recognition decision making and adaptive learning process
US8457432B2 (en) * 2008-06-25 2013-06-04 Microsoft Corporation High information density of reduced-size images of web pages
CN116168040B (zh) * 2023-04-26 2023-07-07 四川元智谷科技有限公司 元器件的方向检测方法、装置、电子设备及可读存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627959A5 (de) * 1977-10-04 1982-02-15 Bbc Brown Boveri & Cie Verfahren und einrichtung zur drehlagebestimmung von gegenstaenden.
CH630189A5 (de) * 1977-10-04 1982-05-28 Bbc Brown Boveri & Cie Verfahren und einrichtung zur identifizierung von gegenstaenden.
US4435837A (en) * 1981-03-05 1984-03-06 President And Fellows Of Harvard College Pattern recognition and orientation system
US4475122A (en) * 1981-11-09 1984-10-02 Tre Semiconductor Equipment Corporation Automatic wafer alignment technique
US4499597A (en) * 1982-03-29 1985-02-12 Hughes Aircraft Company Small-object location utilizing centroid accumulation
EP0147493B1 (fr) * 1983-12-28 1988-09-07 International Business Machines Corporation Procédé et équipement pour l'alignement automatique d'un objet par rapport à une référence
JPS60200385A (ja) * 1984-03-26 1985-10-09 Hitachi Ltd 姿勢判定方式
US4658428A (en) * 1985-07-17 1987-04-14 Honeywell Inc. Image recognition template generation
JPS62267610A (ja) * 1986-05-16 1987-11-20 Fuji Electric Co Ltd 対象パタ−ンの回転角検出方式

Also Published As

Publication number Publication date
JPS62285004A (ja) 1987-12-10
US4876732A (en) 1989-10-24
DE3718620C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-17
DE3718620A1 (de) 1987-12-10

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