To provide a new technique by which a condition setting relating to a design and an adjustment necessary for a railroad crossing monitoring device can be simplified.SOLUTION: A railroad crossing monitoring device 1 comprises an image input part 130 to input an image of a given railroad crossing, a discrimination processing part 143 to discriminate, for each unit pixel, whether a subject belonging to a category specified for the unit pixel exists, about a railroad crossing image under discrimination, using a classification learning model per unit pixel, generated by a machine learning process based on a reference image, which is a railroad crossing image as a reference of discrimination, and is used to specify categories of subjects during a normal time from among preliminary prescribed category classifications for each of a prescribed number of unit pixels, and an abnormity detection part 145 to detect an occurrence of abnormity in a crossing road and/or a blocking bar appearing in the railroad crossing image based on the discrimination result of the discrimination processing part 143.SELECTED DRAWING: Figure 8
【課題】踏切を監視する装置に必要となる設計や調整に係る条件設定を簡易化することができる新たな技術を提供すること。【解決手段】踏切監視装置1は、所与の踏切画像を入力する画像入力部130と、判別の基準とする踏切画像である基準画像に基づく機械学習処理によって生成された単位画素別分類学習モデルであって、所定数の単位画素毎に、正常時に写る被写体のカテゴリを予め定めた所定のカテゴリ分類の中から特定する単位画素別分類学習モデルを用いて、判定対象の踏切画像である判定対象画像について、単位画素毎に当該単位画素に対して特定されたカテゴリの被写体が写っているか否かを判別する判別処理部143と、判別処理部143の判別結果に基づいて、踏切画像に写っている踏切道及び/又は遮断かんの異常の発生を検出する異常発生検出部145と、を備える。【選択図】図8
RAILROAD CROSSING MONITORING DEVICE
踏切監視装置
2023-02-08
Patent
Elektronische Ressource
Japanisch
RAILROAD CROSSING MONITORING DEVICE AND RAILROAD CROSSING SYSTEM
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