JPS5772487A - Correlation tracking device - Google Patents

Correlation tracking device

Info

Publication number
JPS5772487A
JPS5772487A JP55147800A JP14780080A JPS5772487A JP S5772487 A JPS5772487 A JP S5772487A JP 55147800 A JP55147800 A JP 55147800A JP 14780080 A JP14780080 A JP 14780080A JP S5772487 A JPS5772487 A JP S5772487A
Authority
JP
Japan
Prior art keywords
vertical
horizontal
curvature
tracking window
correlation
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.)
Granted
Application number
JP55147800A
Other languages
Japanese (ja)
Other versions
JPS6028475B2 (en
Inventor
Kumio Kasahara
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55147800A priority Critical patent/JPS6028475B2/en
Publication of JPS5772487A publication Critical patent/JPS5772487A/en
Publication of JPS6028475B2 publication Critical patent/JPS6028475B2/en
Expired 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
    • G01S3/7865—T.V. type tracking systems using correlation of the live video image with a stored image

Abstract

PURPOSE:To lock on the device easily and rapidly in accordance with a target or a scene to be tracked, by obtaining a curvature near the peak value of coefficients of correlation and by changing the size of a tracking window so that the value of the curvature becomes maximum. CONSTITUTION:The video signal from a pickup device 6 mounted on a servo base 5 is digitized by an A/D converting circuit 7, and horizontal and vertical pictures to be correlated are separated and extracted by a region dividing circuit 8, and respective pictures to be correlated are stored in horizonatl and vertical memories 10H and 10V by horizontal and vertical switches 9H and 9V. In case of lock on, the size of a tracking window is changed automatically by horizontal and vertical tracking window setting circuits 11H and 11V, amd coefficients of correlation are calculated by horizontal and vertical correlators 12H and 12V. Maximum values and coordinates for them are detected by maximum value detecting circuits 13H and 13V, and a curvature near the peak value is obtained by horizontal and vertical curvature detecting circuits 14H and 14V and is fed back to the circuit 8 to track a prescribed target or scene by an electronic loop.
JP55147800A 1980-10-22 1980-10-22 correlation tracking device Expired JPS6028475B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55147800A JPS6028475B2 (en) 1980-10-22 1980-10-22 correlation tracking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55147800A JPS6028475B2 (en) 1980-10-22 1980-10-22 correlation tracking device

Publications (2)

Publication Number Publication Date
JPS5772487A true JPS5772487A (en) 1982-05-06
JPS6028475B2 JPS6028475B2 (en) 1985-07-04

Family

ID=15438494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55147800A Expired JPS6028475B2 (en) 1980-10-22 1980-10-22 correlation tracking device

Country Status (1)

Country Link
JP (1) JPS6028475B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317947A1 (en) * 1982-05-17 1983-11-24 Hitachi, Ltd., Tokyo GAS DISCHARGE DISPLAY DEVICE
JPS6112177A (en) * 1984-06-27 1986-01-20 Canon Inc Automatic tracking device in camera
US5196929A (en) * 1989-07-05 1993-03-23 Olympus Optical Co., Ltd. Display system of camera having tracking apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317947A1 (en) * 1982-05-17 1983-11-24 Hitachi, Ltd., Tokyo GAS DISCHARGE DISPLAY DEVICE
JPS6112177A (en) * 1984-06-27 1986-01-20 Canon Inc Automatic tracking device in camera
US5196929A (en) * 1989-07-05 1993-03-23 Olympus Optical Co., Ltd. Display system of camera having tracking apparatus

Also Published As

Publication number Publication date
JPS6028475B2 (en) 1985-07-04

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