CN103123686A - Spiral search capturing method based on cooperative targets - Google Patents
Spiral search capturing method based on cooperative targets Download PDFInfo
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- CN103123686A CN103123686A CN2011103693709A CN201110369370A CN103123686A CN 103123686 A CN103123686 A CN 103123686A CN 2011103693709 A CN2011103693709 A CN 2011103693709A CN 201110369370 A CN201110369370 A CN 201110369370A CN 103123686 A CN103123686 A CN 103123686A
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Abstract
The invention relates to aircraft target capture identification and discloses a spiral search capturing method based on cooperative targets. The method comprises the following steps of: determining a neighborhood 1 according to the size and initial position of a single cooperative target, and determining a neighborhood 2 according to a distance value; and performing spiral search capture. The step of performing the spiral search capture specifically comprises the following sub-steps of: 1, starting to search image points of the single cooperative target in a neighborhood of an image center; 2, when suspected target image points are not found, searching the image points in a next neighborhood; 3, when a suspected target is found, searching other target points in a large neighborhood epsilon with a suspected target point as the center; and 4, if other suspected image points are found and determined as the image points after image plane characteristic identification, stopping searching, and otherwise, abandoning searching in the neighborhood epsilon, and returning to the step 2. By adoption of the method, the problem about quick search capture of the cooperative targets is solved, and target identification efficiency is improved.
Description
Technical field
The present invention relates to the identification of catching of aircraft target, be specifically related to a kind of spiral code acquisition method based on cooperative target.
Background technology
Target searching and acquisition is the indispensable committed step of target recognition and tracking system, and must guarantee to capture fast interested target.Present most tracker all adopts template given in advance, by the template matches lock onto target, perhaps adopts the lock artificially target.Along with the development of systems technology, to the requirement of target recognition and tracking system just towards the intelligent direction development, its require system have to target automatically catch, identification and from the ability of motion tracking automatically.
Can the identification of catching of cooperative target be an important gordian technique in closely intersection docking operation of aircraft, and it is the precondition of measuring and controlling, effectively and identify reliably target and will directly affect the success or not of whole intersection docking operation.Therefore, the fast search Trapped problems of cooperative target becomes important research topic.
Do not have at present to find and explanation or the report of the similar correlation technique of the present invention, not yet collect domestic similar data yet.
Summary of the invention
In order to solve the fast search Trapped problems of cooperative target, the object of the present invention is to provide a kind of spiral code acquisition method based on cooperative target.Utilize the present invention, can accelerate target searching and acquisition speed, improve the target recognition efficiency.
In order to reach the foregoing invention purpose, the present invention is that the technical scheme that its technical matters of solution adopts is to provide a kind of spiral code acquisition method based on cooperative target, comprising:
First choose neighborhood 1, choose neighborhood 2 according to the distance of distance according to size and the initial position of single cooperative target, then carry out spiral code acquisition, described spiral code acquisition comprises following step:
Step 3, when searching a suspected target, in a larger neighborhood ε centered by suspected target point the search other impact point;
If step 4 searches other several doubtful picture points, and through after identifying as plane characteristic, confirming as is to stop search after picture point; Otherwise namely abandon the search of this neighborhood ε, turn back to step 2.
The present invention is based on the spiral code acquisition method of cooperative target, owing to taking above-mentioned technical scheme, utilize known target prior imformation analysis to obtain the target imaging result, take spiral search pattern to carry out the code acquisition of initial target according to this result.Therefore, the invention solves the fast search Trapped problems of cooperative target, bring following useful benefit:
Adopt the present invention can accelerate target searching and acquisition speed, improve the target recognition efficiency.
Confirm through simulation calculation and test, use the code acquisition speed that method of the present invention can improve target.Method of the present invention realizes simple, and usable range is wide, is with a wide range of applications.
Description of drawings
Accompanying drawing is the code acquisition route schematic diagram that the present invention is based on the spiral code acquisition method of cooperative target.
Embodiment
Below in conjunction with description of drawings the preferred embodiments of the present invention.
Accompanying drawing is the code acquisition route schematic diagram that the present invention is based on the spiral code acquisition method of cooperative target.As shown in the embodiment of accompanying drawing, the present invention utilizes known target prior imformation analysis to obtain the target imaging result, takes spiral search pattern to carry out the code acquisition of initial target according to this result.
As shown in the embodiment of accompanying drawing, method of the present invention comprises:
The neighborhood 1 of first choosing according to size and the initial position of single cooperative target, the neighborhood 2 of choosing according to the distance of distance.Then take spiral search pattern to carry out the code acquisition of initial target, this spiral code acquisition method comprises following step:
Step 3, when searching a suspected target, in a larger neighborhood ε centered by suspected target point the search other impact point;
If step 4 searches other several doubtful picture points, and through after identifying as plane characteristic, confirming as is to stop search after picture point; Otherwise namely abandon the search of this neighborhood ε, turn back to step 2.
Claims (1)
1. the spiral code acquisition method based on cooperative target, is characterized in that, the method comprises:
First choose neighborhood 1, choose neighborhood 2 according to the distance of distance according to size and the initial position of single cooperative target, then carry out spiral code acquisition, described spiral code acquisition comprises following step:
Step 1, from a neighborhood of image center
The interior picture point that begins to search for cooperative target;
Step 2, when not searching the suspected target picture point, carry out next neighborhood
Search;
Step 3, when searching a suspected target, in a larger neighborhood ε centered by suspected target point the search other impact point;
If step 4 searches other several doubtful picture points, and through after identifying as plane characteristic, confirming as is to stop search after picture point; Otherwise namely abandon the search of this neighborhood ε, turn back to step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103693709A CN103123686A (en) | 2011-11-18 | 2011-11-18 | Spiral search capturing method based on cooperative targets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103693709A CN103123686A (en) | 2011-11-18 | 2011-11-18 | Spiral search capturing method based on cooperative targets |
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| CN103123686A true CN103123686A (en) | 2013-05-29 |
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| CN2011103693709A Pending CN103123686A (en) | 2011-11-18 | 2011-11-18 | Spiral search capturing method based on cooperative targets |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008268A (en) * | 2014-03-20 | 2014-08-27 | 上海宇航系统工程研究所 | Verification method for visible light scattering characteristic analysis model of space target |
| CN104408436A (en) * | 2014-12-08 | 2015-03-11 | 上海宇航系统工程研究所 | Identification method and identification system for cooperative target based on back projection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087361A (en) * | 2009-12-08 | 2011-06-08 | 北京邮电大学 | Method and device for acquiring satellite navigation signal |
| CN102175226A (en) * | 2010-12-31 | 2011-09-07 | 北京控制工程研究所 | Target identification method based on significant characteristics |
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2011
- 2011-11-18 CN CN2011103693709A patent/CN103123686A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087361A (en) * | 2009-12-08 | 2011-06-08 | 北京邮电大学 | Method and device for acquiring satellite navigation signal |
| CN102175226A (en) * | 2010-12-31 | 2011-09-07 | 北京控制工程研究所 | Target identification method based on significant characteristics |
Non-Patent Citations (1)
| Title |
|---|
| XIANGQUAN WEI等: "A study on autonomous video navigation in close range with a cooperative target", 《PROC.SPIE 7496,MIPPR 2009:PATTERN RECOGNITION AND COMPUTER VISION,749610》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008268A (en) * | 2014-03-20 | 2014-08-27 | 上海宇航系统工程研究所 | Verification method for visible light scattering characteristic analysis model of space target |
| CN104408436A (en) * | 2014-12-08 | 2015-03-11 | 上海宇航系统工程研究所 | Identification method and identification system for cooperative target based on back projection |
| CN104408436B (en) * | 2014-12-08 | 2017-10-27 | 上海宇航系统工程研究所 | A kind of cooperative target recognition methods and system based on back projection |
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Application publication date: 20130529 |