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Sensors 2018, 18(11), 3782; https://doi.org/10.3390/s18113782

Road Scene Simulation Based on Vehicle Sensors: An Intelligent Framework Using Random Walk Detection and Scene Stage Reconstruction

1
School of Software Engineering, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, Shaanxi, China
2
Institute of Artificial Intelligence and Robotics, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, Shaanxi, China
*
Author to whom correspondence should be addressed.
Received: 28 September 2018 / Revised: 25 October 2018 / Accepted: 29 October 2018 / Published: 5 November 2018
(This article belongs to the Special Issue Sensors Applications in Intelligent Vehicle)
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Abstract

Road scene model construction is an important aspect of intelligent transportation system research. This paper proposes an intelligent framework that can automatically construct road scene models from image sequences. The road and foreground regions are detected at superpixel level via a new kind of random walk algorithm. The seeds for different regions are initialized by trapezoids that are propagated from adjacent frames using optical flow information. The superpixel level region detection is implemented by the random walk algorithm, which is then refined by a fast two-cycle level set method. After this, scene stages can be specified according to a graph model of traffic elements. These then form the basis of 3D road scene models. Each technical component of the framework was evaluated and the results confirmed the effectiveness of the proposed approach. View Full-Text
Keywords: road scene model; region detection; random walk; scene stage road scene model; region detection; random walk; scene stage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Li, Y.; Cui, Z.; Liu, Y.; Zhu, J.; Zhao, D.; Yuan, J. Road Scene Simulation Based on Vehicle Sensors: An Intelligent Framework Using Random Walk Detection and Scene Stage Reconstruction. Sensors 2018, 18, 3782.

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