HUDEM IR trials at Meerdael, April 1-4, 1998

Meerdael minefields - description in general:

• four minefields - four types of soil (sand, gravel, mixture, local)
• same arrangement for all minefields - four rows along a minefield, with:
• AP mines buried at different depths (surface laid, just below the surface, at 5cm, 10 cm, 15cm below the surface), placed horizontally or at angle of 45 degrees
• false alarms (bottles, stones of adequate size and shape, pieces of metal etc.)
• mines were placed in March 1997
• current state:
• surface laid mines (as well as mines in sand buried just below the surface) have been moved (by rabbits!) and they were placed again just before measurements
• measurements are done:
• using two infrared cameras, AGEMA (3µm-5µm) and TICM-2 (8µm-12µm)
• on sand, gravel and mixture field, on areas that cover one long buried mine (at 5cm depth) and, in the case of sand and gravel field, one recently buried (at around 3cm depth)
• for each field one whole diurnal cycle was measured, as well as environmental conditions (air temperature, ground temperature just above the mines and on surface(s), wind speed and direction etc.)
• images for calibration (to help fusion of data obtained with two cameras) were taken too

Results of Meerdael IR trials:

• in sand field
• in gravel field
• in mixture field

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