COIL-SHAPED METAL BAND EDGE ABNORMALITY DETECTION DEVICE, METHOD AND PROGRAM

• Main Authors: KAMEYAMA SHUGO, FUKUSHIMA HIROKI, HENZAN RYO, INUI MASAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 09.03.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

To provide a coil-shaped metal band edge abnormality detection device, coil-shaped metal band edge abnormality detection method and coil-shaped metal band edge abnormality detection program which can reduce erroneous detection when inspecting an edge portion in a coil-shaped metal band.SOLUTION: A coil-shaped metal band edge abnormality detection device S according to the present invention comprises: an image acquisition unit 1 which acquires an image obtained by imaging an edge portion of a metal band wound in a coil shape from the axial direction; a smoothing processing unit 22 which generates a smoothed image by performing the smoothing processing on the image acquired by the image acquisition unit 1; and an abnormality determination unit 23 which determines the presence/absence of an abnormality in the edge portion on the basis of the smoothed image generated by the smoothing processing unit 22.SELECTED DRAWING: Figure 1 【課題】本発明は、コイル状の金属帯におけるエッジ部を検査する際に、誤検出を低減できるコイル状金属帯エッジ異常検出装置、コイル状金属帯エッジ異常検出方法およびコイル状金属帯エッジ異常検出プログラムを提供する。【解決手段】本発明のコイル状金属帯エッジ異常検出装置Ｓは、コイル状に巻かれた金属帯のエッジ部を軸方向から撮像した画像を取得する画像取得部１と、画像取得部１で取得した画像を平滑化処理することによって平滑化画像を生成する平滑化処理部２２と、平滑化処理部２２で生成した平滑化画像に基づいてエッジ部における異常の有無を判定する異常判定部２３とを備える。【選択図】図１