JPS6418081A - Tracking apparatus for image - Google Patents
Tracking apparatus for imageInfo
- Publication number
- JPS6418081A JPS6418081A JP62175706A JP17570687A JPS6418081A JP S6418081 A JPS6418081 A JP S6418081A JP 62175706 A JP62175706 A JP 62175706A JP 17570687 A JP17570687 A JP 17570687A JP S6418081 A JPS6418081 A JP S6418081A
- Authority
- JP
- Japan
- Prior art keywords
- region
- characteristic feature
- maximum value
- tracking
- tracking point
- 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
Links
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
PURPOSE:To enable the automatic and highly precise tracking of a target moving at high speed without depending on the ability of an operator, by a method wherein an area around a tracking point is divided into a plurality of regions, a characteristic feature of each region is calculated, and a region matched with the characteristic feature of the tracking point is selected from these regions. CONSTITUTION:An area around a tracking point on a screen composed of many picture elements is divided into a plurality of regions so as to track a target automatically according to an instruction of a tracking control circuit 16. For each region, the maximum value of an amplitude is detected as a characteristic feature of the region by a maximum value detecting circuit 11, and a distance between a picture element having said maximum value and a picture element having a lower level detected by a detecting circuit 12 of the lower grade of a prescribed level is calculated, while the number of picture elements having this lower level is computed. In this way, the target is tracked while the characteristic feature of each region being identified, any region having a similar characteristic feature being searched constantly, and a picture element having the maximum value of an amplitude in said region being set afresh as the tracking point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62175706A JPS6418081A (en) | 1987-07-14 | 1987-07-14 | Tracking apparatus for image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62175706A JPS6418081A (en) | 1987-07-14 | 1987-07-14 | Tracking apparatus for image |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6418081A true JPS6418081A (en) | 1989-01-20 |
Family
ID=16000823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62175706A Pending JPS6418081A (en) | 1987-07-14 | 1987-07-14 | Tracking apparatus for image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6418081A (en) |
-
1987
- 1987-07-14 JP JP62175706A patent/JPS6418081A/en active Pending
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