CARELESS DRIVING DETERMINATION APPARATUS, AND CARELESS DRIVING DETERMINATION METHOD
To provide a technique which allows determination whether or not a driver is in his careless driving state, with considering a situation in which a drive wears something covering a part of his face.SOLUTION: A careless driving determination apparatus according to the present invention acquires a fac...
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01.02.2024
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Abstract | To provide a technique which allows determination whether or not a driver is in his careless driving state, with considering a situation in which a drive wears something covering a part of his face.SOLUTION: A careless driving determination apparatus according to the present invention acquires a face image data of a face of a driver by using a driver monitoring camera. The apparatus calculates a distribution range of a direction of a face of the driver or a visual line angle thereof, based on a plurality of face image data acquired during a predetermined period. The apparatus determines, with respect to each of the plurality of face image data, whether or not the driver wears a mask or sun glasses. In response to the determined wearing state, the apparatus sets a threshold range. If the calculated distribution range falls within the threshold range, the apparatus determines that the driver is in its careless driving state.SELECTED DRAWING: Figure 4
【課題】運転者が顔の一部を覆う装着物の装着状況を考慮することにより、漫然運転状態にあるかどうかの判定を精度よく行うことができる技術を提供する。【解決手段】漫然運転判定装置は、ドライバモニタカメラを用いて運転者の顔の顔画像データを取得する。顔画像データのうち、所定の一定期間に取得された複数の顔画像データに基づいて、運転者の顔向き角度又は視線角度の分布範囲を演算する。また、複数の顔画像データのそれぞれについて、マスク又はサングラスの装着状況を判定する。判定された装着状況に応じて閾値範囲を設定する。そして、演算された分布範囲が閾値範囲に含まれる場合に、運転者が漫然運転状態にあると判定する。【選択図】図4 |
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AbstractList | To provide a technique which allows determination whether or not a driver is in his careless driving state, with considering a situation in which a drive wears something covering a part of his face.SOLUTION: A careless driving determination apparatus according to the present invention acquires a face image data of a face of a driver by using a driver monitoring camera. The apparatus calculates a distribution range of a direction of a face of the driver or a visual line angle thereof, based on a plurality of face image data acquired during a predetermined period. The apparatus determines, with respect to each of the plurality of face image data, whether or not the driver wears a mask or sun glasses. In response to the determined wearing state, the apparatus sets a threshold range. If the calculated distribution range falls within the threshold range, the apparatus determines that the driver is in its careless driving state.SELECTED DRAWING: Figure 4
【課題】運転者が顔の一部を覆う装着物の装着状況を考慮することにより、漫然運転状態にあるかどうかの判定を精度よく行うことができる技術を提供する。【解決手段】漫然運転判定装置は、ドライバモニタカメラを用いて運転者の顔の顔画像データを取得する。顔画像データのうち、所定の一定期間に取得された複数の顔画像データに基づいて、運転者の顔向き角度又は視線角度の分布範囲を演算する。また、複数の顔画像データのそれぞれについて、マスク又はサングラスの装着状況を判定する。判定された装着状況に応じて閾値範囲を設定する。そして、演算された分布範囲が閾値範囲に含まれる場合に、運転者が漫然運転状態にあると判定する。【選択図】図4 |
Author | YAMAUCHI KOICHIRO SANO MASATAKA |
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DocumentTitleAlternate | 漫然運転判定装置及び漫然運転判定方法 |
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Snippet | To provide a technique which allows determination whether or not a driver is in his careless driving state, with considering a situation in which a drive wears... |
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SubjectTerms | CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS |
Title | CARELESS DRIVING DETERMINATION APPARATUS, AND CARELESS DRIVING DETERMINATION METHOD |
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