CONVEYANCE MONITORING DEVICE AND CONVEYANCE MONITORING METHOD

PROBLEM TO BE SOLVED: To provide a device and method for highly precisely managing the conveyance state of an object to be conveyed even in a monitoring environment where a transparent object is interposed between the object and an image pickup part. SOLUTION: A first conveyance monitoring device 10A is provided with: an image pickup part 11 for monitoring the conveyance state of an object 2 to be conveyed over a transparent object 1, and for obtaining the images of the object 2 to be conveyed and a conveyance part 3; an arithmetic part 12 for performing the arithmetic operation of the vector data of the image obtained by the image pickup part 11; storage parts 13 and 14 for storing the model data of the object 2 to be conveyed and the conveyance part 3; position extraction parts 15 and 16 for extracting the positions of the object 2 to be conveyed and the conveyance part 3 in the image; a relative position calculation part 17 for calculating the relative position of the object 2 to be conveyed and the conveyance part 3; a storage part 18 for storing the normal relative positional relation of the object 2 to be conveyed and the conveyance part 3; a determination part 19 for determining whether or not the relative position calculated by the relative position calculation part 17 is normal; and a warning part 20 for issuing prescribed warning according to the determination result of the determination part 19. COPYRIGHT: (C)2011,JPO&INPIT