01518315

Component

https://doi.org/10.3141/2457-01

Raveling on asphalt surfaces is a loss of fine and coarse aggregates from the asphalt matrix. The severity of raveling can be an indicator of the state of pavements, as excessive raveling not only reduces the ride quality but eventually leads to pothole formation or cracking. Hence, raveling must be detected and quantified. In this study and for the first time, raveling was quantified from a combination of two- and three-dimensional images. First, a texture descriptor method called Laws’ texture energy measure was used in conjunction with Gabor filters and other morphological operations to distinguish road areas. Then, digital signal processing techniques were used to detect and to quantify raveling. Hundreds of images captured by an automated pavement surveying system were used to test and to show the promise of the proposed algorithm.

01551907

14-3796

English

pp 3–11

2014

Transportation Research Record: Journal of the Transportation Research Board

9780309295444

Print

Figures (11) ; References (19)

Algorithms; Asphalt pavements; Detection and identification; Measurement; Signal processing; Stripping (Pavements)

Imaging systems

Digital signal processor; Range imaging; Three dimensional imaging

Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Jan 27 2014 3:18PM

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