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Method for identifying cooperated object for self-landing pilotless aircraft

A cooperative target, autonomous landing technology, applied in the field of computer vision research, can solve the problems of UAV navigation autonomy, flexibility limitations, affecting UAV mission flexibility and maneuverability, etc., to improve maneuverability and survivability , the effect of fast recognition accuracy

Inactive Publication Date: 2009-02-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it requires obvious terrain features or a fixed landing runway in the flight path of the UAV, the navigation autonomy and flexibility of the UAV are greatly limited, which also affects the flexibility of UAV task execution in wartime. sex and mobility

Method used

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  • Method for identifying cooperated object for self-landing pilotless aircraft
  • Method for identifying cooperated object for self-landing pilotless aircraft
  • Method for identifying cooperated object for self-landing pilotless aircraft

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Embodiment Construction

[0018] 1. Design of cooperation goals:

[0019] People always recognize objects from the environment based on the difference in brightness or color between parts in the field of vision. According to the Purkinje effect, for vision, when observing an object, the difference in brightness between the object and the background plays a decisive role, so the theory of target detection and recognition is generally based on the brightness contrast between the target and the background. The characteristics of the target-background contrast are closely related to factors such as the shape of the target, luminous or reflective characteristics, atmospheric transmission characteristics, and the receiving characteristics of human eyes or instruments. In view of the actual situation of the current airport landing runway (square or highway), in order to make it easier for the UAV to approach and land autonomously, and the cooperation target preset at the airport (square or highway) is easier ...

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Abstract

A method for identifying cooperation target used on self-landing of pilotness plane includes enabling to plane cooperation target on square or on road to realize self-landing of pilotness plane, enabling to pick up length-width ratio of said target based on directional chain code of target outline in order to let pilotness plane confirm its self-landing direction according to target form feature.

Description

technical field [0001] The invention relates to a method for identifying a cooperation target for an autonomous landing of an unmanned aerial vehicle, specifically a new method for identifying a target based on a direction chain code. It belongs to the field of computer vision research. Background technique [0002] The autonomous landing of drones is an urgent problem that many countries in the world need to solve. Computer vision is one of the effective means of target detection and recognition. Because of its high concealment of target detection and identification, it can detect and identify targets in a passive state. Therefore, it has also become an important direction in the research of unmanned aerial vehicle autonomous landing at home and abroad. At present, there are mainly the following two research methods in the use of computer vision to solve the autonomous landing of UAVs in foreign countries. Method 1: Calculate the position and direction of the aircraft r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D1/12B64C19/00
Inventor 徐贵力倪立学
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS