Authors : Hicham Banouni, Bouazza Faiz, Driss Izbaim El Houssaine Ouacha, Mostapha Boutaib and Mourad Derra
Abstract: In this study, two methods are proposed to calculate a signal time flight time. The acquired ultrasonic signals during the transmission through the cement past in solidification under different temperatures are subject to the radius of curvature method and the Canny edge detector method to extract the flight time and then to compute the velocity of compression waves. Although, these two methods are based on the same principle which is the maximum variation of the signal, the Canny edge detection method is privileged to calculate the flight time. The comparison between the velocities calculated by these methods and the ones computed using the phase velocity equation shows a great similarity.
Hicham Banouni, Bouazza Faiz, Driss Izbaim El Houssaine Ouacha, Mostapha Boutaib and Mourad Derra, 2016. The Canny Edge Detection Method vs. the Radius of Curvature Method for Determining the Time of Flight on Ultrasound. International Journal of Signal System Control and Engineering Application, 9: 48-54.