| 摘要 |
PROBLEM TO BE SOLVED: To provide an inspection device that can suitably perform inspection on a seal part of an inclined article.SOLUTION: An infrared inspection device 1 includes a determination part 43 that determines the presence or absence of defects in a seal part of a packaging material, and when an article area corresponding to an article is inclined relative to arrangement directions that are the direction of rows and the direction of rows of pixels in a transparent image, the determination part 43 sets an area storing a content as a mask area on the basis of the article area and a mask creation area including the article area, and determines the presence or absence of defects in the seal part on the basis of the transparent image and the mask area. |
