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- 저자 : Sheikh Ahasan Ahammad (검색결과 1 건)
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Real-Time Forming Error Inspection System using Computer Vision for Small-Sized Tubes
Hyoung-Seok Kim,Erdenesuren Naranbaatar,Sheikh Ahasan Ahammad,Yong-Hwan Bae,Byung-Ryong Lee 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
line. So far lots of inspection processes are carried out by human workers, hence it is almost impossible to check the fault of all parts, coming from part-feeding system, with only human inspection because of time limitation as well as working hardship. Therefore, most of manual inspection is applied to specific samples, not all coming parts, and manual inspection neither guarantee consistent measuring accuracy nor decrease working time. Thus, in order to improve the measuring speed and accuracy of the inspection, a computer-aided measuring and analysis method is highly needed. In this paper, firstly a computer-vision-based small-sized tube inspection algorithm is proposed, where the tube imagesof front-view and side-view are acquired by CCD cameras. To reduce the vision processing time efficiently, a modified Hough transform is applied for calculate the geometry of straight line segments. A line-scanning method is adopted to calculate the center points of the inner and outer diameters. Secondly, the proposed algorithms are verified by the developed inspection machine. Finally, it is concluded that the proposed algorithm can be applied successfully to the inspection machine to guarantee the inspection requirements demanded from the company.
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