A moving target aggregation method based on relative position

An aggregation method and relative position technology, applied in image analysis, instrumentation, calculation, etc., can solve the problem of lost moving target distribution and motion trend, and achieve the effect of ensuring overall coverage, improving display effect, and reducing memory consumption.

Active Publication Date: 2022-07-26
THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the industry often adopts the method of dividing into meshes to aggregate and calculate the moving targets. Although these methods can solve the above problems, the original distribution and motion trend of the moving targets are lost after the aggregation calculation.

Method used

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  • A moving target aggregation method based on relative position
  • A moving target aggregation method based on relative position
  • A moving target aggregation method based on relative position

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Embodiment

[0057] In this embodiment, after the real-time moving target data is input, through the relative position-based moving target aggregation method of the present invention, dynamic aggregation target data that conforms to the moving target distribution and movement trajectory can be output. The specific implementation process is as follows:

[0058] In step 1, according to the specific application scenarios of the moving target, such as passenger aircraft, transport aircraft, small aircraft, ships and other different application scenarios, set thresholds that conform to their motion characteristics, including distance thresholds , the range increment threshold ,in , ;

[0059] In step 2, the set of aggregation targets is set as , traverse and calculate all moving targets to aggregate target distance to expand the set . If moving target to all aggregate targets The distance is not less than the distance threshold , then the moving target form an aggregate ta...

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Abstract

The invention discloses a method for aggregating moving targets based on relative positions, comprising the following steps: setting a distance threshold and a range increment threshold according to the motion characteristics of the moving targets; setting a set of aggregation targets, traversing and calculating the distances between all moving targets and the aggregation targets, And compare it with the distance threshold, gradually expand the set according to the comparison result, and obtain the farthest distance between the aggregated target and the moving target it contains; The relative position of the moving target and the deflectable area and its own direction in the aggregation target determine whether it needs to be removed from the aggregation target. The removed moving target will re-participate in the calculation and expansion of the set, and realize dynamic aggregation during the continuous movement of the moving target.

Description

technical field [0001] The invention belongs to the field of real-time target monitoring and processing, and particularly relates to a relative position-based aggregation method suitable for moving targets such as aircraft and ships. Background technique [0002] With the continuous development of the global economy, the demand for aviation and navigation for cargo transportation, personnel flow and financial exchanges is increasing. According to the statistics of the International Air Transport Association (IATA), the daily average number of flights has exceeded 100,000. At the same time, with the frequent international battles and games, the unstable factors affecting the world security situation are increasing day by day, and the need for various application systems to control the global moving target situation is becoming more and more urgent. [0003] By introducing millions of moving targets into the system, when the two-dimensional map is large, the display effect wil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/246
CPCG06T7/246
Inventor 刘辰炜张臻王立峰吕文强徐伟蓝振家
Owner THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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