Search Results - "Movafeghi, Amir"

Defect Measurement in Welded Objects by Radiography Testing and Chambolle’s Image Processing Method by Movafeghi, Amir, Yahaghi, Effat, Mirzapour, Mahdi, ShayganFar, Pouyan

“…Radiography testing (RT) is a well-established non-destructive method for the detection and measurement of defects in the welded objects. Unfortunately,…”
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Welded Pipe Defect Detection Enhancement Using Regularized Kernel Estimation-Based Image Processing in Radiographic Testing by Yahaghi, Effat, Movafeghi, Amir, Mirzapour, Mahdi

“…Confirmation of the integrity of welded pipes is of critical importance in the oil and gas industry and radiography testing (RT) is used as the gold standard…”
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Dual-energy X-ray Imaging in Combination with Automated Threshold Gabor Filtering for Baggage Screening Application by Amir Movafeghi, Rokrok, Behrouz, Yahaghi, Effat

“…With ever-increasing demands on the security screening procedures, improved detection of items of concern inside the bags and luggage continues to attract…”
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Using Interpolation with Nonlocal Autoregressive Modeling for Defect Detection in Welded Objects by Movafeghi, Amir, Mirzapour, Mahdi, Yahaghi, Effat

“…X-rays and gamma rays are used in industrial radiography to detect internal defects and different structures of the test object. The radiography interpreters…”
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Patch-Based Weld Defect Segmentation and Classification Using Anisotropic Diffusion Image Enhancement Combined with Support-Vector Machine by Reza Faghihi, Faridafshin, Mohammadjavad, Movafeghi, Amir

“…Several factors such as low image quality, limited human eye resolution, and biased interpretation make the manual radiography testing defect detection…”
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Defect Analysis in Compressor Vanes Using Split Bregman Noise-Reduced Digital Industrial Radiography by Movafeghi, Amir, Yahaghi, Effat, Monem, Sajad, Nekouei, Jahangir, Rostami, Peyman, Mirzapour, Mahdi

“…Detection and analysis of defects in the vanes of centrifugal compressors are invaluable as part of routine quality control and preventative maintenance…”
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Mathematical Behavior of Optical Density of γ-Ray Radiography Images of Steel Pipes by Mohammad Taghan Sasanpour, Taheri, Ali, Movafeghi, Amir, Rokrok, Behrouz

“…The purpose of this article is to determine the mathematical function of the optical behavior of radiographic films/images produced by gamma-ray radiography of…”
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Inspection and Monitoring of Concrete Structures via Radiography and Weighted Nuclear Norm Minimization Method by Amir Movafeghi, Yahaghi, Effat, Rokrok, Behrouz, Mirzapour, Mahdi

“…The location of reinforcement bar in concrete, the bar corrosion, diameter and the depth below the surface are important factors in the evaluation of the load…”
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Proton Therapy in Neurosurgery: A Historical Review and Future Perspective Based on Currently Available New Generation Systems by Azimi, Parisa, Movafeghi, Amir

“…Purpose: To evaluate of Proton therapy (PT) for neurosurgery patients and is also to explain the need for this system in Iran. Methods: A literature review was…”
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Defect detection enhancement using Gaussian Sparse Models by Movafeghi, Amir, Mirzapour, Mahdi, Yahaghi, Effat

“…Detecting defects is critical in industrial fabrication, such as pipe welding, where radiography testing (RT) is the gold standard as a non-destructive method…”
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Locating cracks in old toys from the 1950s crafted with an elastomeric material by García, Jose A. Madrid, Yahaghi, Effat, Movafeghi, Amir, Mirzapour, Mahdi

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Contrast Enhancement of Industrial Radiography Images by Gabor Filtering with Automatic Noise Thresholding by Yahaghi, Effat, Movafeghi, Amir

“…The defect detection procedure of a radiographic image is a very important task. This is because of its importance regarding the safety of different industrial…”
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Enhancing flaw detection in aluminum castings by two different mixed noise removal methods by Yahaghi, Effat, Mirzapour, Mahdi, Movafeghi, Amir

“…Aluminum casting is utilized for making complex objects. Different defects may, however, be introduced during the casting process; the detection of which…”
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Comparison of four iterative methods for improving the contrast of the radiography images by Mirzapour, Mahdi, Yahaghi, Effat, Movafeghi, Amir

“…Recently, radiography image elaboration using different image processing methods has been introduced as an alternative to enhance the radiographs. The ability…”
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The Performance of Three Total Variation Based Algorithms for Enhancing the Contrast of Industrial Radiography Images by Mirzapour, Mahdi, Yahaghi, Effat, Movafeghi, Amir

“…Industrial radiography is considered as one of the most important nondestructive testing methods for different inspections. The radiography images often have a…”
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Using nonlocal operators for measuring dimensions of defects in radiograph of welded objects by Movafeghi, Amir, Mirzapour, Mahdi, Yahaghi, Effat

“…The radiography testing (RT) method is one of the most common tools used for the inspection of industrial specimens for defect detection. Although modern…”
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Comparison of traditional and adaptive multi-scale products thresholding for enhancing the radiographs of welded object by Yahaghi, Effat, Mirzapour, Mahdi, Movafeghi, Amir

“…The quality of welds is very important in some critical industries such as aeronautic manufacturing, pipelines, and civil construction. One of the most…”
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Improvement of the digital radiographic images of old paintings on wooden support through the anisotropic diffusion method by Madrid Garcia, Jose A., Yahaghi, Effat, Movafeghi, Amir

“…The main defect types of historic-artistic paintings on wood are ruptures, scratches, twisting and such which may be inflicted by environment conditions,…”
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Defect detections in industrial radiography images by a multi-scale LMMSE estimation scheme by Yahaghi, Effat, Movafeghi, Amir, Mirzapour, Mahdi, Rokrok, Behrouz

“…The defect detection of welded objects is at the core of nondestructive testing and has found many applications in many industries. Industrial radiography is…”
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Evaluation of CsI(Na) rod scintillator application in industrial gamma-ray computed tomography by Askari, Mojtaba, Taheri, Ali, Larijani, Majid Mojtahedzadeh, Movafeghi, Amir, Faripour, Heidar

“…The objective of this paper was to investigate a detection system based on a CsI(Na) rod scintillator for the use in industrial gamma-ray computed tomography…”
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