JPS5563189A - Subject tracking device via television camera - Google Patents
Subject tracking device via television cameraInfo
- Publication number
- JPS5563189A JPS5563189A JP13457578A JP13457578A JPS5563189A JP S5563189 A JPS5563189 A JP S5563189A JP 13457578 A JP13457578 A JP 13457578A JP 13457578 A JP13457578 A JP 13457578A JP S5563189 A JPS5563189 A JP S5563189A
- Authority
- JP
- Japan
- Prior art keywords
- subject
- center
- area
- camera
- brightness
- 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
Abstract
PURPOSE: To simplify the automatic tracking of the subject by calculating the center of the area of only the subject through detection of the difference of brightness between the subject and the background and then aiming the TV camera at the subject center via the calculated control signal.
CONSTITUTION: TV camera 1 is installed on pan-tilt stage 2 and then controlled by servo amplifiers 25 and 26 to be deflected vertically and horizontally. Slicers 6 and LPF7 detect that the brightness and the area of the subject have reached the prescribed levels. On the other hand, horizontal synchronous isolator circuits 10 and 11 are connected to the output side of base clamping circuit 4, and the area center of the subject is detected by the signal in which only the horizontal and vertical synchronous signals are isolated individually. With this detection signal, amplifiers 25 and 26 are controlled, and thus the coincidence is secured in a follow-up way between the area center of the subject and the image center on the screen which are caused by the shift of the TV camera.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13457578A JPS5563189A (en) | 1978-11-02 | 1978-11-02 | Subject tracking device via television camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13457578A JPS5563189A (en) | 1978-11-02 | 1978-11-02 | Subject tracking device via television camera |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5563189A true JPS5563189A (en) | 1980-05-13 |
JPS6159039B2 JPS6159039B2 (en) | 1986-12-15 |
Family
ID=15131550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13457578A Granted JPS5563189A (en) | 1978-11-02 | 1978-11-02 | Subject tracking device via television camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5563189A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011520362A (en) * | 2008-05-06 | 2011-07-14 | トレースオプティックス ピーティーイー リミテッド | Method and apparatus for camera control and composition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4918270A (en) * | 1972-06-08 | 1974-02-18 | ||
JPS5056111A (en) * | 1973-09-13 | 1975-05-16 |
-
1978
- 1978-11-02 JP JP13457578A patent/JPS5563189A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4918270A (en) * | 1972-06-08 | 1974-02-18 | ||
JPS5056111A (en) * | 1973-09-13 | 1975-05-16 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011520362A (en) * | 2008-05-06 | 2011-07-14 | トレースオプティックス ピーティーイー リミテッド | Method and apparatus for camera control and composition |
Also Published As
Publication number | Publication date |
---|---|
JPS6159039B2 (en) | 1986-12-15 |
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