CAN LID DETECTION DEVICE AND CAN LID DETECTION METHOD

To provide a can lid detection device and a can lid detection method capable of detecting a can body having a can lid with an abnormal tab from a group of can bodies.SOLUTION: A can lid detection device 1 for detecting a can body C having a can lid C1 with an abnormal tab from a group of can bodies includes: storage means 20 for storing in advance reference image data of a can lid C1; and determination means 50 for determining whether or not there is an abnormality in a tab based on the degree of correlation between input image data of a can lid and the reference image data, in the tab of the can lid C1 and a vicinity area, which is in the vicinity of the tab.SELECTED DRAWING: Figure 1 【課題】タブに異常がある缶蓋を備えた缶体を缶体群から検出できる缶蓋検出装置及び缶蓋検出方法を提供する。【解決手段】タブに異常がある缶蓋Ｃ１を備えた缶体Ｃを缶体群から検出する缶蓋検出装置１であって、缶蓋Ｃ１の基準画像データを予め記憶する記憶手段２０と、缶蓋Ｃ１のタブ及び当該タブの近傍である近傍領域において、入力された缶蓋の画像データと基準画像データとの相関の度合いに基づき、タブの異常の有無を判定する判定手段５０と、を備える。【選択図】図１