New road anomaly detection and characterization algorithm for autonomous vehicles. Issue 1 (19th May 2018)

• Record Type: Journal Article
• Authors: Bello-Salau, H.; Aibinu, A.M.; Onumanyi, A.J.; Onwuka, E.N.; Dukiya, J.J.; Ohize, H.
• Is Part Of: Applied computing and informatics. Volume 16:Issue 1/2(2020)
• Page Start: 223
• Page End: 239
• Publication Date: 2018-05-19
• Subjects: Accelerometer -- Bumps -- Potholes -- Road anomaly -- Scale space filter -- Wavelet transform; Information science -- Periodicals; Information storage and retrieval systems -- Periodicals; 004
• DOI: 10.1016/j.aci.2018.05.002
• Languages: English
• ISSNs: 2210-8327

Abstract

Abstract : This paper presents a new algorithm for detecting and characterizing potholes and bumps directly from noisy signals acquired using an Accelerometer. A wavelet transformation based filter was used to decompose the signals into multiple scales. These coefficients were correlated across adjacent scales and filtered using a spatial filter. Road anomalies were then detected based on a fixed threshold system, while characterization was achieved using unique features extracted from the filtered wavelet coefficients. Our analyses show that the proposed algorithm detects and characterizes road anomalies with high levels of accuracy, precision and low false alarm rates.