13 July 2016 Point cloud optimization method of low-altitude remote sensing image based on vertical patch-based least square matching
Author Affiliations +
Abstract
This paper presents a point cloud optimization method of low-altitude remote sensing image based on least square matching (LSM). The proposed method is designed to be especially effective for addressing the conundrum of stereo matching on the discontinuity of architectural structures. To overcome the error matching and blur on building discontinuities in three-dimensional (3-D) reconstruction, a pair of mutually perpendicular patches is set up for every point of object discontinuities instead of a single patch. Then an error equation is built to compute the optimal point according to the LSM method, space geometry relationship, and collinear equation constraint. Compared with the traditional patch-based LSM method, the proposed method can achieve higher accuracy 3-D point cloud data and sharpen the edge. This is because a geometric mean patch in patch-based LSM is the local tangent plane of an object’s surface. Using a pair of mutually perpendicular patches instead of a single patch evades the problem that the local tangent plane on the discontinuity of a building did not exist and highlights the edges of buildings. Comparison studies and experimental results prove the high accuracy of the proposed algorithm in low-altitude remote sensing image point cloud optimization.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
Qimin Cheng, Qimin Cheng, Nan Yang, Nan Yang, Xiongwu Xiao, Xiongwu Xiao, Lei Zhang, Lei Zhang, Xiaofan Jiang, Xiaofan Jiang, } "Point cloud optimization method of low-altitude remote sensing image based on vertical patch-based least square matching," Journal of Applied Remote Sensing 10(3), 035003 (13 July 2016). https://doi.org/10.1117/1.JRS.10.035003 . Submission:
JOURNAL ARTICLE
13 PAGES


SHARE
RELATED CONTENT

Reconstruction of indoor scene from a single image
Proceedings of SPIE (March 03 2015)
3D laser imaging for concealed object identification
Proceedings of SPIE (September 04 2014)
3D surface reconstruction from range slices
Proceedings of SPIE (November 23 2014)
Focusing and reconstruction of building from DSM
Proceedings of SPIE (November 03 2005)
Improved self-calibration algorithm of absolute dual quadric
Proceedings of SPIE (November 14 2007)

Back to Top