Abstract
The recent development of gas imaging technologies has raised a growing interest for various applications. Gas imaging can significantly enhance functional safety by early detection of hazardous gas leaks. Moreover, optical gas imaging technologies can be used to identify possible gas leakages and to investigate the amount of gas emission in industrial sites, which is essential, primarily based on current efforts to decrease greenhouse gas emissions all around the world. Therefore, exploring the solutions for automating the inspection process can persuade industries for more regular tests and monitoring. One of the main challenges in gas imaging is the proximity condition required for data to be more reliable for analysis. Therefore, the use of unmanned aerial vehicles can be very advantageous as they can provide significant access due to their maneuver capabilities. Despite the advantages of using drones, their movements and sudden motions during hovering can diminish data usability. In this paper, we propose a method for gas leak detection and visually-enhancement of gas emanation involving stabilization and gas leak detection steps. In addition, a comparative analysis of candidate stabilization techniques is conducted to find the most suitable technique for the drone-based application. Moreover, the system is evaluated using three experiments respectively on an isolated environment, a real scenario, and a drone-based inspection.
Highlights
Gas leaks and emissions are challenges for various industries like petrochemical and oil and gas industries resulting in financial losses and possibly human injuries
In recent years, significant efforts are dedicated to developing reliable gas leak detection techniques
We introduce an approach to enhance the visibility of possible gas leaks in recorded image streams using image flow analysis
Summary
Gas leaks and emissions are challenges for various industries like petrochemical and oil and gas industries resulting in financial losses and possibly human injuries. Some studies are devoted to introducing techniques for detecting the origin of possible leaks for launching corrective measures. The release of some gases such as natural gas, propane, and isobutane into the atmosphere is harmful due to their effect on global warming or ozone depletion. Another area would be fugitive emissions which is the emission of gases from industrial equipment due to leaks or other sources of gas release which can lead to an increase in air pollution [1]. The analysis of gas emission can be very beneficial in many industries such as chemical manufacturing or oil and gas
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