چکیده مقاله
Industrial computed tomography CT , also known as industrial CT scanning, is now utilized as a portable method for evaluating corrosion, blockages, and other defects in oil and gas pipelines The output images of this technique provide cross sectional views of the interior of pipelines As with any other non destructive imaging method, assessing image quality is essential In reconstructed CT images, the Modulation Transfer Function MTF serves as a measure of spatial resolution and image clarity In this study, dual energy linear detectors were employed to acquire projections of a standard aluminum cylinder with a diameter of 2 5 cm Subsequently, image reconstruction was performed using the filtered back projection method, yielding cross sectional images of the cylinder By analyzing the edge spread function ESF and performing mathematical operations on the measured values, the imaging system's MTF at 20% contrast was determined to be 1 2 This research highlights the importance of MTF as a quantitative metric for evaluating the performance of industrial tomography systems and contributes to the optimization of imaging techniques for critical pipeline inspections
کلیدواژهها
نویسندگان
Mostafa Kabir
Ph D Candidate, Amirkabir University of Technology Tehran Polytechnic ; Tehran, Iran,
Hossein Afarideh
Full Professor, Amirkabir University of Technology Tehran Polytechnic , Tehran, Iran;
Mitra Ghergherechi
Associate Professor, Sungkyunkwan University, Suwon, South Korea;
Jong-Seo Chai
Full Professor, Sungkyunkwan University, Suwon, South Korea;
شیوه ارجاع
Kabir, Mostafa and Afarideh, Hossein and Ghergherechi, Mitra and Chai, Jong-Seo,1403,Evaluation of Image Quality Parameter MTF in Non-Destructive Testing of Oil and Gas Pipeline Using CT scans,7th International Conference on Welding and Non Destructive Testing & 25th National Conference on Welding & Inspection & 14th National Conference on NDT & 3nd National Conference on Additive Manufacturing,Tehran
ارائهشده در
مجموعه مقالات هفتمین کنفرانس بین المللی جوشکاری وغیرمخرب، بیست و پنجمین کنفرانس ملی جوش و بازرسی، چهاردهمین کنفرانس ملی آزمایش های غیرمخرب و سومین کنفرانس ملی ساخت افزایشی1 اسفند 1403 · تهران