A technique for avoiding obstacles by an unmanned aerial vehicle (UAV) includes: acquiring an aerial image of a ground area below the UAV; analyzing the aerial image to identify a shadow in the aerial image cast by an object rising from the ground area; determining a pixel length of the shadow in the aerial image; calculating an estimated height of the object based at least on the pixel length of the shadow and an angle of the sun when the aerial image is acquired; and generating a clearance zone around the object having at least one dimension determined based on the estimated height, wherein the clearance zone represents a region in space to avoid when navigating the UAV.


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    Title :

    OBSTACLE AVOIDANCE FOR AIRCRAFT FROM SHADOW ANALYSIS


    Contributors:
    SHOEB ALI (author)

    Publication date :

    2024-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G06V



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