International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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A Survey on Crack Detection Technique in Railway Track

A Survey on Crack Detection Technique in Railway Track Ms. Saima Anjum I. A. Khan, Prof. Rahul C. Meshram

Abstract :

As you know railway transportation is mostly used since it is an economical and fast method for public transportation. Some minor failures such as track failures, obstacles, and improper maintenances cause accidents. To make it safe rail inspections can be done properly. An efficient crack detection system is needed for better security and inspections. Human inspections are done periodically. But it needs skilled persons to walk through the track for inspection. It takes a lot of time. To overcome these situations, a visual inspection system (VIS) is proposed. We propose a visual-based crack detection system that provides accurate results than other existing systems. It makes things smooth and fast. This system uses images captured by a digital scan line camera. VIS provides better performance and quality based on the capturing device. The digital data is preprocessed and then it cut the track images into sub-images using some track extraction algorithm. The image contrast can be enhanced using the Otsu method for analysis and then crack is identified if any in the track. This system automatically detects crack and generate an appropriate warning to the nearest station to avoid the risk of accidents. This system doesn’t disturb the running of the train while the system is working.

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