JPS57141723A - Correlation tracking device - Google Patents

Correlation tracking device

Info

Publication number
JPS57141723A
JPS57141723A JP56028078A JP2807881A JPS57141723A JP S57141723 A JPS57141723 A JP S57141723A JP 56028078 A JP56028078 A JP 56028078A JP 2807881 A JP2807881 A JP 2807881A JP S57141723 A JPS57141723 A JP S57141723A
Authority
JP
Japan
Prior art keywords
circuit
tracking point
picture
forecasting
forecast
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.)
Pending
Application number
JP56028078A
Other languages
Japanese (ja)
Inventor
Tomoyuki Nakaguchi
Kumio Kasahara
Takashi Ito
Tomomasa Kondo
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 JP56028078A priority Critical patent/JPS57141723A/en
Publication of JPS57141723A publication Critical patent/JPS57141723A/en
Pending 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 achieve tracking with high accuracy and high speed, by forecasting a position of a tracking point for a desired picture, limiting an operating region near the forecast position and setting the size of the operating region proportional to the amplitude of a velocity vector to be forecast. CONSTITUTION:A tracking point memory 13 stores a coordinate signal from a maximum value detecting circuit 12, and also stores a coordinate signal to a picture before one frame, tracking point velocity vectors Vi-1 and Vi-2 and difference vectors Si-1 and Si-1, and the information of storage is given to a vector calculating circuit 14. The circuit 14 calculates Vi and Si and the result is stored in a memory 13. The memory 13 transmits stored information to a tracking point forecasting circuit 15. The circuit 15 seeks the forecast point of the tracking point of a newly inputted picture and also an absolute value delta of a velocity vector G forecasting the postition of the tracking point of the (i+1)th input picture. Thus, the correlation operating region of a correlation operation region limiting circuit 10 is limited and a desired object on a screen is at standstill and tracked.
JP56028078A 1981-02-27 1981-02-27 Correlation tracking device Pending JPS57141723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56028078A JPS57141723A (en) 1981-02-27 1981-02-27 Correlation tracking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56028078A JPS57141723A (en) 1981-02-27 1981-02-27 Correlation tracking device

Publications (1)

Publication Number Publication Date
JPS57141723A true JPS57141723A (en) 1982-09-02

Family

ID=12238730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56028078A Pending JPS57141723A (en) 1981-02-27 1981-02-27 Correlation tracking device

Country Status (1)

Country Link
JP (1) JPS57141723A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993018471A1 (en) * 1992-03-06 1993-09-16 Omron Corporation Image processor, method therefor and apparatus using the image processor
EP0586019A2 (en) * 1992-09-04 1994-03-09 Nikon Corporation Target follow-up device and camera comprising the same
JP2015139476A (en) * 2014-01-27 2015-08-03 日立アロカメディカル株式会社 ultrasonic image processing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993018471A1 (en) * 1992-03-06 1993-09-16 Omron Corporation Image processor, method therefor and apparatus using the image processor
EP0586019A2 (en) * 1992-09-04 1994-03-09 Nikon Corporation Target follow-up device and camera comprising the same
EP0586019A3 (en) * 1992-09-04 1994-10-12 Nippon Kogaku Kk Target follow-up device and camera comprising the same.
JP2015139476A (en) * 2014-01-27 2015-08-03 日立アロカメディカル株式会社 ultrasonic image processing apparatus

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