Toward a new approach for massive LiDAR data processing

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Title: Toward a new approach for massive LiDAR data processing
Authors: Cao, Van-Hung
Chu, Xuan-Khoi
Le-Khac, Nhien-An
Kechadi, Tahar
Laefer, Debra F.
Truong-Hong, Linh
Permanent link: http://hdl.handle.net/10197/7448
Date: 10-Jul-2015
Abstract: Laser scanning (also known as Light Detection And Ranging) has been widely applied in various application. As part of that, aerial laser scanning (ALS) has been used to collect topographic data points for a large area, which triggers to million points to be acquired. Furthermore, today, with integrating full wareform (FWF) technology during ALS data acquisition, all return information of laser pulse is stored. Thus, ALS data are to be massive and complexity since the FWF of each laser pulse can be stored up to 256 samples and density of ALS data is also increasing significantly. Processing LiDAR data demands heavy operations and the traditional approaches require significant hardware and running time. On the other hand, researchers have recently proposed parallel approaches for analysing LiDAR data. These approaches are normally based on parallel architecture of target systems such as multi-core processors, GPU, etc. However, there is still missing efficient approaches/tools supporting the analysis of LiDAR data due to the lack of a deep study on both library tools and algorithms used in processing this data. In this paper, we present a comparative study of software libraries and new algorithms to optimise the processing of LiDAR data. We also propose new method to improve this process with experiments on large LiDAR data. Finally, we discuss on a parallel solution of our approach where we integrate parallel computing in processing LiDAR data.
Funding Details: European Research Council
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2015 IEEE
Keywords: LiDAR dataParallel processingKd-treeTreeP
DOI: 10.1109/ICSDM.2015.7298040
Language: en
Status of Item: Peer reviewed
Conference Details: 2015 2nd IEEE International Conference on Spatial Data Mining and Geographical Knowledge Services (ICSDM 2015), Fuzhou, China, 8 - 10 July 2015
Appears in Collections:Earth Institute Research Collection
Civil Engineering Research Collection
Insight Research Collection

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