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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Min Lu Jian Zhao Yulan Guo Yanxin Ma |
| Copyright Year | 2004 |
| Abstract | Fully automatic 3-D point cloud registration is a highly challenging task in light detection and ranging (LiDAR) remote sensing. The coherent point drift (CPD) algorithm provides an appropriate solution for point cloud registration because of its high accuracy. However, real application of the traditional CPD algorithm is limited due to its demanding computational complexity. In this letter, we present a novel accelerated CPD (ACPD) algorithm for fast, accurate, and automatic registration of 3-D point clouds. First, a global squared iterative expectation-maximization (gSQUAREM) technique is integrated to the ACPD algorithm. Then, the dual-tree improved fast Gauss transform method is used to further accelerate the Gaussian summation process during the correspondence probability matrix calculation. Experimental results on two real data sets show that the proposed algorithm can perform fast and accurate registration on LiDAR point clouds. |
| Sponsorship | IEEE Geoscience and Remote Sensing Society |
| Starting Page | 162 |
| Ending Page | 166 |
| Page Count | 5 |
| File Size | 1866044 |
| File Format | |
| ISSN | 1545598X |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2016-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Three-dimensional displays Acceleration Iterative closest point algorithm Computational complexity Laser radar Transforms Probability point cloud registration Coherent point drift (CPD) fast gauss transform (FGT) gaussian mixture model (GMM) iterative expectation–maximization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Geotechnical Engineering and Engineering Geology |
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