A method for analyzing a road surface condition of the present invention, which can precisely detect an area in which a road surface condition is abnormal, comprises: a step of receiving, by a signal processing unit, an audio signal from a sensor device on a roadside by a streaming method; a step of detecting, by the signal processing unit, a plurality of interested audio signals, which are audio signals of an interested frequency band of the audio signal; a step of extracting, by the signal processing unit, a plurality of audio vectors arranged in order of time from the interested audio signals by using a sliding window; a step of sequentially analyzing, by a recognition unit, the plurality of audio vectors through a recognition model to detect audio vectors presenting that the road surface condition is abnormal from among the plurality of audio vectors; and a step of calculating, by the recognition unit, a length of the road with the abnormal road surface according to the number of audio vectors in which the order of time is successive from among the detected audio vectors.

    본 발명의 노면의 상태를 분석하기 위한 방법은 신호처리부가 도로 변의 센서장치로부터 스트리밍 방식으로 오디오 신호를 수신하는 단계와, 상기 신호처리부가 상기 오디오 신호의 관심 주파수 대역의 오디오 신호인 복수의 관심 오디오 신호를 검출하는 단계와, 상기 신호처리부가 슬라이딩 윈도우를 이용하여 상기 관심 오디오 신호로부터 시간 순서에 따라 정렬된 복수의 오디오벡터를 추출하는 단계와, 인식부가 인식모델을 통해 상기 복수의 오디오벡터를 순차로 분석하여 상기 복수의 오디오벡터 중 상기 도로의 노면의 상태가 이상 상태임을 나타내는 오디오벡터를 검출하는 단계와, 상기 인식부가 상기 검출된 오디오벡터 중 상기 시간 순서가 연속된 오디오벡터의 수에 따라 노면의 상태가 이상 상태인 도로의 길이를 산출하는 단계를 포함한다.


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    Title :

    Apparatus for analyzing road surface condition using duration of driving noise and method therefor


    Additional title:

    주행 소음의 지속 시간을 이용한 노면의 상태를 분석하기 위한 장치 및 이를 위한 방법


    Contributors:

    Publication date :

    2023-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen



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