1. Through-Wall Vision Project
Financement : FEDER / ANR

2. Bruno Lescalier, engineer, 09/2010 - …
Prototyping and Software development, participation in research.
Projects :
MODECOL : automatic recognition of grass.
Throught-the-wall : Imaging, reduce of noise, target detection,…

3. Team « Through-The-Wall Vision»
Recent structure in L3i: 2004
With :
2 Professors (M. Ménard, G. Louis)
2 Lecturers (A. Gaugue, J. Khamlichi)
2 PhD (O. Benahmed, X. Zhao)
3 engineers (B. Lescalier, O. Chappe, V.Merelle)
Areas of expertise :
UWB (Ultra Wide Band) pulse device.
Signal processing : expertise in inverse filtering, deconvolution, decompositions,…
Processing and computer graphics / 3D.
Ongoing project FEDER (2010/2011) / ANR (2011/2013)

4. Objectives of the Project
Development of a portable prototype :
Reliable detection of human presence in the building and enumeration.
Location kidnappers / hostages.
Tracking people movements.
Outline of the topology of place.
Detection of people in rubble.

5. Radar system Targets detection Acquisition Localization
Antennas
FPGA
Localization
Trilateration
Targets detection
CFAR
Imaging
Retroprojection 2D/3D
Background substract
Targets tracking
Particular filter
Kalman
Signal processing
FPGA
Reduce of noise
Peak detection
Software development

6. Research and development engineer:
Vincent Mérelle
Research and development engineer:
Embedded systems
Digital electronics
High speed data link
Signal processing

7. experimental system

8. Signal Acquisition module
FPGA (field programmable grid array) Virtex6 prototyping board.
Analog to Digital Converter board

9. Real time system, 5Ghz sampling

10. Currently in the 4th year of thesis (writing thesis manuscript)
Thesis title
Designe of an acquisition and processing UWB radar chain for detection of moving targets behind the wall
Titre de thèse Conception d’une chaîne d’acquisition et de traitement Radar ULB pour la détection de cibles mobiles derrière un mur
Xiaowei Zhao, PhD
Currently in the 4th year of thesis
(writing thesis manuscript)
Supervisors:
Michel Ménard, Alain Gaugue, Jamal Khamlichi

11. Localization without wall: Localization with wall:
Trilateration
Localization without wall:
Time of arrival method (TOA) + Geometry method (analytical)
Localization with wall:
Time of arrival (TOA) method + Convergent method (digital)

12. Experiment scene

13. Results
Result

14. Throught-Wall imaging
04/11/2010
Throught-Wall imaging
Mise en place de la chaîne de traitement de l’information d’un radar distribué pour la vision à travers les murs
Omar BENAHMED DAHO
2nd year PhD Student
Supervisors : J.KHAMLICHI & M.MENARD & A.GAUGUE

15. Through-Wall Imaging Radar
Block Diagram

16. Through-Wall Imaging Radar
Back-projection :
Based on Radon Transform (Medical Imaging)
Temps

17. Through-Wall Imaging Radar
3D Back-projection : Clément GUERIN

18. Through-Wall Imaging Radar
Steady/mobile Separation
Moving object segmentation using background subtraction.
Mobile  Tracking
Steady  inside walls,….

19. Through-Wall Imaging Radar
Some Results :

20. Olivier Chappe Engineer R&D Skills : Image and Signal processing
C++ programming (with Qt, OpenGL, OpenCV)

21. Works in the project Implementation of two software :
Software connected to the oscilloscope for testing our system in real-time.
Simulation Software.
Software use techniques explained earlier to detect target.

22. Works of Sloven Dubois
Target tracking algorithm
Kalman filtering