Ishikawa Figures

Fig. 1. Mine Hunter Vehicle (MHV).

Fig. 2. Two GPR sensors mounted on MHV interchangeably: from left to right, stepped-frequency GPR (MHV#1) and impulse GPR (MHV #2).

a) Horizontal slices showing 2 targets at a 5cm depth (left) and a target at a 25cm depth (right).

b) Three-dimensional image of 3 targets in the horizontal slices.
Fig. 3. Detection images from stepped-frequency GPR fo MHV #1.

Fig. 4. Low-reaction-force sensor manipulation system with four low-contact-pressure legs.

Fig. 5. Advanced Mine Sweeper (AMS) approaching remote steep hillside.

Fig. 6. Gryphon buggy system with Advanced Landmine Imaging System (ALIS) (left) and ALIS tested in Afghanistan (right).

Fig. 7. Compact neutron generators: discharge-type fusion neutron source (left) and accelerator neutron source (right).

Fig. 8. Multi-Compton γ camera based on stacked BGO scintillator rods.

Fig. 9. Test lane layout and the calibration area.

Fig. 10. Lane #4 and landmine surrogates going to be buried.

(1) M14	(2) PMN2	(3) TYPE72	(4) TYPE72-S

Fig. 11. Landmine surrogates used in test.
(click on thumbnail to see larger image in new window)

Fig. 12. Disassembled TYPE72-S surrogate.

Fig. 13. Definitions of target depth and angle.

Fig. 16. Ground truth of the lane 2; ** shows a pair of Type72 and shows PMN2.

Fig. 17. Detection image from a metal detector.

Fig. 18. Detection image from a GPR sensor.

Fig. 19. Factor effects of Experiment 1 with 95-percent confidence intervals.

Fig. 20.  Factor effects of Experiment 2 with 95-percent confidence intervals.