A Simple Strategy to Detect Changes in through the Wall Imaging

In this paper, a simple strategy to detect changes in through-the-wall imaging scenarios is presented. In particular, tomographic reconstructions taken at different instants of time are exploited. This allows to increase the detectability of scatterers whose positions are varied in two different data collections. The feasibility of the technique is demonstrated with both synthetic and experimental data.

[1]  Emmanuel Duflos,et al.  Landmines Ground-Penetrating Radar Signal Enhancement by Digital Filtering , 2006, IEEE Transactions on Geoscience and Remote Sensing.

[2]  David D. Ferris,et al.  Survey of current technologies for through-the-wall surveillance (TWS) , 1999, Other Conferences.

[3]  Edward J. Baranoski,et al.  Through wall imaging: Historical perspective and future directions , 2008, 2008 IEEE International Conference on Acoustics, Speech and Signal Processing.

[4]  Qing Huo Liu,et al.  Through-wall imaging (TWI) by radar: 2-D tomographic results and analyses , 2005, IEEE Trans. Geosci. Remote. Sens..

[5]  A.E. Fathy,et al.  See-through-wall imaging using ultra wideband short-pulse radar system , 2005, 2005 IEEE Antennas and Propagation Society International Symposium.

[6]  Moeness G. Amin,et al.  Autofocusing of Through-the-Wall Radar Imagery Under Unknown Wall Characteristics , 2007, IEEE Transactions on Image Processing.

[7]  Francesco Soldovieri,et al.  Localization of the Interfaces of a Slab Hidden Behind a Wall , 2007, IEEE Transactions on Geoscience and Remote Sensing.

[8]  P. Withington,et al.  Enhancing homeland security with advanced UWB sensors , 2003 .

[9]  Jian Li,et al.  Target detection with synthetic aperture radar , 1996, IEEE Transactions on Aerospace and Electronic Systems.

[10]  Kamal Sarabandi,et al.  Refocusing Through Building Walls Using Synthetic Aperture Radar , 2008, IEEE Transactions on Geoscience and Remote Sensing.

[11]  Francesco Soldovieri,et al.  Three-Dimensional Through-Wall Imaging Under Ambiguous Wall Parameters , 2009, IEEE Transactions on Geoscience and Remote Sensing.

[12]  Francesco Soldovieri,et al.  Through-Wall Imaging via a Linear Inverse Scattering Algorithm , 2007, IEEE Geoscience and Remote Sensing Letters.

[13]  S. Kassam,et al.  Synthetic aperture beamformer for imaging through a dielectric wall , 2005, IEEE Transactions on Aerospace and Electronic Systems.

[14]  M. Pieraccini,et al.  ULTRA: Wideband Ground Penetrating Radar , 2006, 2006 European Radar Conference.

[15]  Mario Bertero,et al.  Introduction to Inverse Problems in Imaging , 1998 .

[16]  Francesco Soldovieri,et al.  A Multiarray Tomographic Approach for Through-Wall Imaging , 2008, IEEE Transactions on Geoscience and Remote Sensing.

[17]  W. Chew.  Waves and Fields in Inhomogeneous Media , 1990 .

[18]  F. Ahmad,et al.  Target and change detection in synthetic aperture radar sensing of urban structures , 2008, 2008 IEEE Radar Conference.