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24 August 2006 Surface registration technique for close-range mapping applications
Ayman F. Habib, Rita W. T. Cheng
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Proceedings Volume 6312, Applications of Digital Image Processing XXIX; 631213 (2006) https://doi.org/10.1117/12.679694
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States
Abstract
Close-range mapping applications such as cultural heritage restoration, virtual reality modeling for the entertainment industry, and anatomical feature recognition for medical activities require 3D data that is usually acquired by high resolution close-range laser scanners. Since these datasets are typically captured from different viewpoints and/or at different times, accurate registration is a crucial procedure for 3D modeling of mapped objects. Several registration techniques are available that work directly with the raw laser points or with extracted features from the point cloud. Some examples include the commonly known Iterative Closest Point (ICP) algorithm and a recently proposed technique based on matching spin-images. This research focuses on developing a surface matching algorithm that is based on the Modified Iterated Hough Transform (MIHT) and ICP to register 3D data. The proposed algorithm works directly with the raw 3D laser points and does not assume point-to-point correspondence between two laser scans. The algorithm can simultaneously establish correspondence between two surfaces and estimates the transformation parameters relating them. Experiment with two partially overlapping laser scans of a small object is performed with the proposed algorithm and shows successful registration. A high quality of fit between the two scans is achieved and improvement is found when compared to the results obtained using the spin-image technique. The results demonstrate the feasibility of the proposed algorithm for registering 3D laser scanning data in close-range mapping applications to help with the generation of complete 3D models.
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Ayman F. Habib and Rita W. T. Cheng "Surface registration technique for close-range mapping applications", Proc. SPIE 6312, Applications of Digital Image Processing XXIX, 631213 (24 August 2006); https://doi.org/10.1117/12.679694
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KEYWORDS
3D modeling
Laser scanners
Data modeling
Clouds
Image registration
Data acquisition
Algorithm development
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