To provide a noise reduction device for reducing accurately noise during vehicle traveling.SOLUTION: The noise reduction device according to one aspect of the present invention includes: an image data acquisition unit 11 which acquires an image from an imaging unit 21 which captures the image around a vehicle; an image data analysis unit 12 which analyzes the acquired image; a sound data acquisition unit 13 which acquires sounds from a sound collection unit 22 which collects sounds in the vehicle; a sound data analysis unit 14 which analyzes the acquired sounds; a storage control unit 15 which includes a storage unit 23 storing the analyzed sound and the analyzed image in association in a database and a search unit searching the database; a similarity determination unit 16 which determines the similarity between the analyzed images; and a noise reduction unit 17 which performs processing of reducing noise for the acquired sound. The similarity determination unit 16 determines similarity between the analyzed image and the image in the database, and the noise reduction unit 17 performs noise reduction for the acquired sound on the basis of the similarity and the sound associated with the image.SELECTED DRAWING: Figure 1

    【課題】車両走行中のノイズを精度よく低減させるノイズ低減装置を提供する。【解決手段】本発明の一態様に係るノイズ低減装置は、車両周辺の画像を撮像する撮像部21から画像を取得する画像データ取得部11と、取得した画像を解析する画像データ解析部12と、車両内部の音を集音する集音部22から音を取得する音データ取得部13と、取得した音を解析する音データ解析部14と、解析した音と、解析した画像と、を関連付けてデータベースに記憶させる記憶部23と、データベースの検索を行う検索部と、を備える記憶制御部15と、解析した画像同士の類似性を判断する類似性判断部16と、取得した音に対しノイズを低減する処理を行うノイズ低減部17と、を備え、類似性判断部16は、解析した画像とデータベースの画像との類似性を判断し、ノイズ低減部17は、類似性と、画像に関連付けられた音と、に基づいて、取得した音に対するノイズ低減を行う。【選択図】図1


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    Titel :

    NOISE REDUCTION DEVICE, NOISE REDUCTION METHOD, AND NOISE REDUCTION PROGRAM


    Weitere Titelangaben:

    ノイズ低減装置、ノイズ低減方法およびノイズ低減プログラム


    Beteiligte:

    Erscheinungsdatum :

    30.01.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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