Development of internal pipe system inspection mechanism

Tamat, Mohamad Naim (2017) Development of internal pipe system inspection mechanism. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This report presents a method for a defect detection in pipelines using image processing in vision approach. Standard inspection systems are based on closed-circuit television cameras (CCTV) which are mounted on remotely controlled robots and connected to remote video recording devices. However, the systems are lack of visibility in the interior of the pipes and the poor quality of the obtained images because of unfavorable lighting conditions. The focus of this research is the development of image processing for detection and location of defects in internal surface of pipelines. The proposed overall system consists of mechanism and image processing parts. The mechanism part including an embedded system of pipe, motor, wheel and power supply. The mechanism is connected to the image processing parts using serial connector and controller. Meanwhile, image processing part functions as the camera obtains images of the internal pipelines and later being processed in Matlab software through several stages which are images input, grayscale conversion, threshold, unwanted object elimination and extraction of pipe image. Defects and anomalies can be detected using analysis of this extracted image.

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