Towards a low-cost vision system for real-time pavement condition assessment / by Kehinde Olufowobi.

Author/creator Olufowobi, Kehinde author.
Other author Herndon, Nic, degree supervisor.
Other author East Carolina University. Department of Computer Science.
Format Theses and dissertations
Publication[Greenville, N.C.] : [East Carolina University], 2021.
Description1 online resource (79 pages) : illustrations (chiefly color)
Supplemental ContentAccess via ScholarShip
Subjects

Summary Pavement condition assessment is typically performed through manual inspections and specialized hardware and software. Although advances in camera and sensing technology in the last decade helped propel the automation of pavement distress detection and characterization, increased equipment acquisition and running costs limit access to the most effective solutions. Furthermore, some of these advanced techniques require substantial human involvement to process and analyze data correctly. This thesis proposes a cost-effective, end-to-end automated approach to pavement condition assessment that employs a neural object detector to identify and measure instances of pavement distress in real time from oblique 2D imagery acquired using a UAV. To promote ease of implementation and scale, the associated modeling process is simplified by using Google Street View data as a proxy for data collected via a UAV-mounted camera. A state-of-the-art object detector architecture is applied to identify and localize pavement distress instances in monocular images. Camera data, information about Street View image acquisition conditions, and the principles of photogrammetry and planar homography are combined to construct a mapping for translating pixel distances to real-world distances. This capability is then integrated into the neural network inference process to derive an end-to-end system for real-time distress identification and measurement.
General notePresented to the faculty of the Department of Computer Science
General noteAdvisor: Nic Herndon
General noteTitle from PDF t.p. (viewed August 24, 2022).
Dissertation noteM.S. East Carolina University 2021
Bibliography noteIncludes bibliographical references.
Technical detailsSystem requirements: Adobe Reader.
Technical detailsMode of access: World Wide Web.
Genre/formAcademic theses.
Genre/formAcademic theses.
Genre/formThèses et écrits académiques.

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