Gamma/X-ray linear pushbroom stereo for 3D cargo inspection Journal Article
| Authors: | Zhu, Z.; Hu, Y. C.; Zhao, L. |
| Article Title: | Gamma/X-ray linear pushbroom stereo for 3D cargo inspection |
| Abstract: | For evaluating the contents of trucks, containers, cargo, and passenger vehicles by a non-intrusive gamma-ray or X-ray imaging system to determine the possible presence of contraband, three-dimensional (3D) measurements could provide more information than just 2D measurements. In this paper, a linear pushbroom scanning model is built for such a commonly used gamma-ray or X-ray cargo inspection system. Three-dimensional (3D) measurements of the objects inside a cargo can be obtained by effectively constructing a pushbroom stereo system using two such scanning systems with different scanning angles. A simple but robust calibration method is proposed to find the important parameters of the linear pushbroom sensors. Then, a fast stereo matching algorithm is developed to obtain 3D measurements of the objects under inspection. This algorithm is fully automatic based on free-form deformable registration. An interactive user interface is designed for 3D visualization of the objects. © Springer-Verlag 2008. |
| Keywords: | three dimensional; scanning; visualization; measurements; gamma rays; deformable registration; imaging systems; automatic 3d measurements; cargo inspection homeland security; pushbroom imaging; stereo matching; 2d measurement; 3-d measurement; 3d visualization; cargo inspection; cargo inspection system; commonly used; interactive user interfaces; non-intrusive; passenger vehicles; pushbroom; pushbroom scanning; pushbroom sensors; robust calibration; scanning angles; scanning systems; stereo matching algorithm; stereo system; three-dimensional (3d) measurements; x ray imaging system; automobiles; inspection; pattern matching; security systems; three dimensional computer graphics; user interfaces |
| Journal Title: | Machine Vision and Applications |
| Volume: | 21 |
| Issue: | 4 |
| ISSN: | 0932-8092 |
| Publisher: | Springer |
| Date Published: | 2010-01-01 |
| Start Page: | 413 |
| End Page: | 425 |
| Language: | English |
| DOI: | 10.1007/s00138-008-0173-8 |
| PROVIDER: | scopus |
| DOI/URL: | |
| Notes: | --- - "Export Date: 20 April 2011" - "CODEN: MVAPE" - "Source: Scopus" |
