GB2284720B - Centroid tracker - Google Patents

Centroid tracker

Info

Publication number
GB2284720B
GB2284720B GB8613073A GB8613073A GB2284720B GB 2284720 B GB2284720 B GB 2284720B GB 8613073 A GB8613073 A GB 8613073A GB 8613073 A GB8613073 A GB 8613073A GB 2284720 B GB2284720 B GB 2284720B
Authority
GB
United Kingdom
Prior art keywords
centroid tracker
tracker
centroid
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
GB8613073A
Other versions
GB2284720A8 (en
GB8613073D0 (en
GB2284720A (en
Inventor
Kevin Daryl Blackmore
Michael Alan Williams
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB8613073A priority Critical patent/GB2284720B/en
Priority to IT8767419A priority patent/IT8767419A0/en
Priority to FR8707147A priority patent/FR2716596A1/en
Priority to SE8702230A priority patent/SE8702230D0/en
Publication of GB8613073D0 publication Critical patent/GB8613073D0/en
Publication of GB2284720A publication Critical patent/GB2284720A/en
Application granted granted Critical
Publication of GB2284720B publication Critical patent/GB2284720B/en
Publication of GB2284720A8 publication Critical patent/GB2284720A8/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems
GB8613073A 1986-05-29 1986-05-29 Centroid tracker Expired - Fee Related GB2284720B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8613073A GB2284720B (en) 1986-05-29 1986-05-29 Centroid tracker
IT8767419A IT8767419A0 (en) 1986-05-29 1987-05-14 PROCEDURE AND DEVICE FOR TRACKING A CENTROID PARTICULARLY FOR TARGET TRACKING
FR8707147A FR2716596A1 (en) 1986-05-29 1987-05-21 Device for tracking the center of a target.
SE8702230A SE8702230D0 (en) 1986-05-29 1987-05-27 MALSOKNINGSANORDNING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8613073A GB2284720B (en) 1986-05-29 1986-05-29 Centroid tracker

Publications (4)

Publication Number Publication Date
GB8613073D0 GB8613073D0 (en) 1995-03-15
GB2284720A GB2284720A (en) 1995-06-14
GB2284720B true GB2284720B (en) 1995-10-11
GB2284720A8 GB2284720A8 (en) 1999-03-25

Family

ID=10598631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8613073A Expired - Fee Related GB2284720B (en) 1986-05-29 1986-05-29 Centroid tracker

Country Status (4)

Country Link
FR (1) FR2716596A1 (en)
GB (1) GB2284720B (en)
IT (1) IT8767419A0 (en)
SE (1) SE8702230D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815590A (en) * 1996-12-18 1998-09-29 Cal Corporation Target light detection
US6895102B2 (en) * 2001-06-29 2005-05-17 Raytheon Company Probability weighted centroid tracker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541249A (en) * 1966-09-30 1970-11-17 Hughes Aircraft Co Adaptive target tracking system
US3541246A (en) * 1967-04-13 1970-11-17 Singer General Precision Centroid tracker system
US3562423A (en) * 1967-08-15 1971-02-09 Univ Northwestern Dictorial tracking and recognition system which provides display of target identified by brilliance and spatial characteristics
GB1358619A (en) * 1972-01-21 1974-07-03 Westinghouse Electric Corp Method and system for centroidal tv trackings
GB2004435A (en) * 1977-09-13 1979-03-28 Secr Defence Improvements in or relating to Image Discriminators
GB2134344A (en) * 1982-05-28 1984-08-08 Thomson Csf Process for estimating the translations undergone by objects represented in a sequence of images and a device implementing this process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541249A (en) * 1966-09-30 1970-11-17 Hughes Aircraft Co Adaptive target tracking system
US3541246A (en) * 1967-04-13 1970-11-17 Singer General Precision Centroid tracker system
US3562423A (en) * 1967-08-15 1971-02-09 Univ Northwestern Dictorial tracking and recognition system which provides display of target identified by brilliance and spatial characteristics
GB1358619A (en) * 1972-01-21 1974-07-03 Westinghouse Electric Corp Method and system for centroidal tv trackings
GB2004435A (en) * 1977-09-13 1979-03-28 Secr Defence Improvements in or relating to Image Discriminators
GB2134344A (en) * 1982-05-28 1984-08-08 Thomson Csf Process for estimating the translations undergone by objects represented in a sequence of images and a device implementing this process

Also Published As

Publication number Publication date
GB2284720A8 (en) 1999-03-25
FR2716596A1 (en) 1995-08-25
GB8613073D0 (en) 1995-03-15
GB2284720A (en) 1995-06-14
SE8702230D0 (en) 1987-05-27
IT8767419A0 (en) 1987-05-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960111

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)