SE8500799L - Sett att identifiera foremal - Google Patents
Sett att identifiera foremalInfo
- Publication number
- SE8500799L SE8500799L SE8500799A SE8500799A SE8500799L SE 8500799 L SE8500799 L SE 8500799L SE 8500799 A SE8500799 A SE 8500799A SE 8500799 A SE8500799 A SE 8500799A SE 8500799 L SE8500799 L SE 8500799L
- Authority
- SE
- Sweden
- Prior art keywords
- group
- detected
- picture
- picture image
- photographed
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
- G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Closed-Circuit Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59031043A JPS60179882A (ja) | 1984-02-21 | 1984-02-21 | 物体認識方法 |
JP8076384A JPS60222983A (ja) | 1984-04-20 | 1984-04-20 | 物体認識方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8500799D0 SE8500799D0 (sv) | 1985-02-20 |
SE8500799L true SE8500799L (sv) | 1985-08-22 |
Family
ID=26369495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8500799A SE8500799L (sv) | 1984-02-21 | 1985-02-20 | Sett att identifiera foremal |
Country Status (3)
Country | Link |
---|---|
US (1) | US4876729A (sv) |
DE (1) | DE3505793A1 (sv) |
SE (1) | SE8500799L (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033015A (en) * | 1988-08-12 | 1991-07-16 | Hughes Aircraft Company | Automated system for testing an imaging sensor |
US5081689A (en) * | 1989-03-27 | 1992-01-14 | Hughes Aircraft Company | Apparatus and method for extracting edges and lines |
JP2528376B2 (ja) * | 1990-06-28 | 1996-08-28 | 大日本スクリーン製造株式会社 | 画像の輪郭修正方法 |
US5093869A (en) * | 1990-12-26 | 1992-03-03 | Hughes Aircraft Company | Pattern recognition apparatus utilizing area linking and region growth techniques |
JP2639518B2 (ja) * | 1991-10-30 | 1997-08-13 | 大日本スクリーン製造株式会社 | 画像処理方法 |
US6178262B1 (en) * | 1994-03-11 | 2001-01-23 | Cognex Corporation | Circle location |
KR100187346B1 (ko) * | 1994-08-22 | 1999-05-01 | 모리시타 요이찌 | 에지라인 측정방법 |
EP0727760A3 (en) | 1995-02-17 | 1997-01-29 | Ibm | Product size detection system |
US20030174864A1 (en) * | 1997-10-27 | 2003-09-18 | Digital Biometrics, Inc. | Gambling chip recognition system |
US6023530A (en) * | 1995-11-13 | 2000-02-08 | Applied Intelligent Systems, Inc. | Vector correlation system for automatically locating patterns in an image |
US20020161642A1 (en) * | 2001-04-02 | 2002-10-31 | Schultz Steven H. | Method for distributing coupons via in-store photo processing equipment |
US6636045B2 (en) * | 2001-04-03 | 2003-10-21 | Baker Hughes Incorporated | Method of determining formation anisotropy in deviated wells using separation of induction mode |
US6941016B1 (en) * | 2001-12-31 | 2005-09-06 | Cognex Technology And Investment | Method for finding contours in an image of an object |
FR2950451B1 (fr) * | 2009-09-18 | 2011-11-04 | Imra Europ Sas | Algorithme de detection des points de contour dans une image |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973239A (en) * | 1973-10-17 | 1976-08-03 | Hitachi, Ltd. | Pattern preliminary processing system |
US4201977A (en) * | 1975-09-18 | 1980-05-06 | Hajime Industries, Ltd. | Data processing and storage system using filtering and sampling techniques |
US4183013A (en) * | 1976-11-29 | 1980-01-08 | Coulter Electronics, Inc. | System for extracting shape features from an image |
US4097158A (en) * | 1977-01-06 | 1978-06-27 | Systems Research Laboratories, Inc. | Half-maximum threshold circuit for optical micrometer |
CH643959A5 (de) * | 1978-04-14 | 1984-06-29 | Siemens Ag | Verfahren und vorrichtung zur automatischen lageerkennung von halbleiterchips. |
US4446484A (en) * | 1981-04-16 | 1984-05-01 | Eastman Kodak Company | Image gradient detectors operating in a partitioned low-pass channel |
US4500202A (en) * | 1982-05-24 | 1985-02-19 | Itek Corporation | Printed circuit board defect detection of detecting maximum line width violations |
-
1985
- 1985-02-20 SE SE8500799A patent/SE8500799L/sv not_active Application Discontinuation
- 1985-02-20 DE DE19853505793 patent/DE3505793A1/de not_active Withdrawn
-
1988
- 1988-11-14 US US07/271,405 patent/US4876729A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE8500799D0 (sv) | 1985-02-20 |
US4876729A (en) | 1989-10-24 |
DE3505793A1 (de) | 1985-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8500799-5 Effective date: 19880901 |