Image-based container defects detector

Details Image-based container defects detector Image-based container defects detector

2006-10-03

2006-10-03

Wu, Jingge (Department: 2624)

Image analysis

Applications

Manufacturing or product inspection

C382S142000, C382S143000, C382S144000, C382S145000, C382S147000, C382S149000

Reexamination Certificate

active

07116814

ABSTRACT:
The image-based container defects detector consists of a plurality of camera units, a sensor unit, a frame grabber, and an image recognizer unit. The sensor unit serves to detect the vehicles entering the inspection station, and transmit a signal to the frame grabber for capturing the vehicle image by triggering the CCD camera thereby obtaining the information about the container's defect position and size. By dexterously utilizing image processing technique, the HIS (hue, saturation and intensity) color is employed to distinguish a normal area from a defected area in the container. Then quad-tree and merge is used to segregate image roughly. As for the non-defected area becoming obscured due to noise is removed using a filter. Finally the defected area is displayed on the screen. The present invention is well-suited for after detection as well as for on-line immediate detection for defect containers.

REFERENCES:
patent: 6377698 (2002-04-01), Cumoli et al.
patent: 6453067 (2002-09-01), Morgan et al.
patent: 6647132 (2003-11-01), Montillo et al.
patent: 6763148 (2004-07-01), Sternberg et al.

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