Loading patent…
AssigneeChunghwa Telecom Co., Ltd.
InventorsBor-Shenn Jeng, Quen-Zong Wu, Yu-Pin Chen, Wei-Yuan Cheng
Estimating the term…
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.
An image-based container defects detector which being able to look for possible location of a container using a container defect positioning program module, then capturing an image of the container number area, said image being segmented from the normal image roughly by a quad-tree split module and an image merge module after its HIS color is transformed by a HIS color transformation module, after segmentation, the normal image being filtered out by an image filter module, finally the segmented defect position being further precisely located by a container defect positioning module.
Dependencies are inferred from the claim text.