This code refers to the paper "On the Use of Spectral Data from Smartphone Accelerometer Signals and Constituent Material for the Identification of Damaged Walls." (doi: https://doi.org/10.22456/2175-2745.142129)
The database used in this work refers to the paper "VibWall: Smartphone’s Vibration Challenge-response for Wall Crack Detection." (doi: https://doi.org/10.1145/3616387), and was kindly provided by the author upon request.