Title
Robust curb detection with fusion of 3D-Lidar and camera data.
Abstract
Curb detection is an essential component of Autonomous Land Vehicles (ALV), especially important for safe driving in urban environments. In this paper, we propose a fusion-based curb detection method through exploiting 3D-Lidar and camera data. More specifically, we first fuse the sparse 3D-Lidar points and high-resolution camera images together to recover a dense depth image of the captured scene. Based on the recovered dense depth image, we propose a filter-based method to estimate the normal direction within the image. Then, by using the multi-scale normal patterns based on the curb's geometric property, curb point features fitting the patterns are detected in the normal image row by row. After that, we construct a Markov Chain to model the consistency of curb points which utilizes the continuous property of the curb, and thus the optimal curb path which links the curb points together can be efficiently estimated by dynamic programming. Finally, we perform post-processing operations to filter the outliers, parameterize the curbs and give the confidence scores on the detected curbs. Extensive evaluations clearly show that our proposed method can detect curbs with strong robustness at real-time speed for both static and dynamic scenes.
Year
DOI
Venue
2014
10.3390/s140509046
SENSORS
Keywords
Field
DocType
curb detection,fusion,3D-lidar,camera,depth image,Markov chain
Computer vision,Dynamic programming,Markov chain,Fusion,Outlier,Robustness (computer science),Lidar,Artificial intelligence,Engineering,Fuse (electrical),Normal
Journal
Volume
Issue
ISSN
14
5
1424-8220
Citations 
PageRank 
References 
7
0.49
21
Authors
4
Name
Order
Citations
PageRank
Jun Tan170.83
Jian Li270.83
An Xiangjing370.83
Hangen He430723.86