JPS5772487A - Correlation tracking device - Google Patents
Correlation tracking deviceInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Closed-Circuit Television Systems (AREA)
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.
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)
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 |
-
1980
- 1980-10-22 JP JP55147800A patent/JPS6028475B2/en not_active Expired
Cited By (3)
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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