气候变化领域集成服务门户(CCPortal): A New LiDAR Filtering Method Based on Multi-layer Two-class Segmentation

CCPortal

	A New LiDAR Filtering Method Based on Multi-layer Two-class Segmentation
	Tian, Yugang; Li, Wenbin; Qin, Donghua
发表日期	2009
起始页码	1648
结束页码	1651
英文摘要	There are two kinds of filtering methods for airborne LiDAR, one is discrete point cloud based; the other is two-dimension depth images based,the basic idea of which is applying image processing approaches into image segmentation. That is, firstly conversing discrete point cloud data into the two-dimension depth image, and then using various methods of image processing and segmenting out the ground points. In this paper, a new LiDAR filtering method based on multi-layer two-class segmentation is put forward. The main idea is that generating three-dimension Digital Sulface Model (DSM) from raw LiDAR point cloud data and obtaining the main feature-type number N firstly. Secondly,using the global threshold segmentation method for two-class incomplete classification, namely high-lighting the main feature categoty, and using the average pixel value of the outlying regions of the main feature to replace the main features region and generating a new two-dimension depth image. Finally repeating the procedures above for the times of the main feature-type number N and acquiring DEM with most of features filtered. This approach is easy-doing and very useful for some large-scale engineering construction, such as the highway designation. Take the plain areas for an example, some beneficial suggestions are given.
英文关键词	LiDAR filtering; image segmentation; incomplete classification
WOS研究方向	Computer Science ; Imaging Science & Photographic Technology ; Telecommunications
WOS类目	Computer Science, Artificial Intelligence ; Imaging Science & Photographic Technology ; Telecommunications
来源期刊	PROCEEDINGS OF THE 2009 2ND INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOLS 1-9
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/158671
作者单位	Tian, YG (corresponding author), China Univ Geosci, Coll Informat Engn, Wuhan 430074, Peoples R China.
推荐引用方式 GB/T 7714	Tian, Yugang,Li, Wenbin,Qin, Donghua. A New LiDAR Filtering Method Based on Multi-layer Two-class Segmentation[J],2009.
APA	Tian, Yugang,Li, Wenbin,&Qin, Donghua.(2009).A New LiDAR Filtering Method Based on Multi-layer Two-class Segmentation.PROCEEDINGS OF THE 2009 2ND INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOLS 1-9.
MLA	Tian, Yugang,et al."A New LiDAR Filtering Method Based on Multi-layer Two-class Segmentation".PROCEEDINGS OF THE 2009 2ND INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOLS 1-9 (2009).