SUMMARY We investigate if it is theoretically possible to discriminate between unexploded ordnance (UXO) and non-UXO sources by modelling the magnetic dipole moment for ferrous objects of different shapes sizes. This carried out approximating volumetric demagnetization factors rectangular prisms, representing similar a long rod or flat steel plate. By UXO as prolate spheroids can be determined ...

Currently there are no UXO discrimination techniques based on total-field magnetic sensor data that rely on multipole expansion parameters of higher order than the dipole. In some cases, however, it can be advantages to describe a UXO target with both dipole and quadrupole parameters. In this paper, we examine the properties of the quadrupole moment and illustrate them using a synthetic example...

The paper presents an algorithm for automatic detection of UXO anomalies in total-field magnetic data based on the concept of structural index (SI) of a magnetic anomaly. The magnetic field produced by a dipole-like source, such as a UXO, varies with inverse distance cubed and therefore has an SI of 3. Identifying magnetic anomalies having structural indices of 3 enables direct detection of pot...

During the Vietnam War from 1964 to 1973, over 2 million tons of bombs were dropped on Laos. Approximately 30% of the bombs did not explode and have posed a continued threat to civilians throughout the country. Approximately 200 casualties per year have been reported nationwide. Therefore, we conducted a household survey to better understand magnitude of UXO victims, accessibility to the MCH se...

The integrated editor UXO is the result of ongoing research and development of the text-technology group at Bielefeld. Being a full featured XML-based editing system, it also allows to combine the structured annotated data with information imported from relational databases by integrating a JDBC interface. The mapping processes between different levels of annotation can be programmed either by ...

Category: Site Characterization Presented at: The UXO/Countermine Forum, September 3-6, 2002, Orlando, Florida ABSTRACT There are different sources of uncertainty attached to UXO site characterization. One of them is associated with prior information regarding locations of ordnance targets, which are used initially for designing sampling schemes. The accuracy of information is then defined by t...

We describe an automatic procedure for building risk maps of unexploded ordnances (UXO) based on historic air photographs. The system is based on a cost-sensitive version of AdaBoost regularized by hard point shaving techniques, and integrated by spatial smoothing. The result is a map of the spatial density of craters, an indicator of UXO risk.

BACKGROUND The purpose of this exploratory study is to pilot a biopsychosocial instrument called the Perceived Impact of Problem Profile (PIPP) on a cohort of landmine/Unexploded Ordnance (UXO) victims with lower limb disability versus a cohort of persons with similar disability due to other trauma or medical causes. The aim is to provide greater understanding of the psychosocial impact of land...

ENSCO, Inc. is investigating a novel approach to data fusion of magnetic and ground-penetrating radar (GPR) data to characterize previously detected buried targets. The method exploits a single model of the subsurface to predict both magnetic and GPR data observations. By determining the best single model that constrains both data sets, the optimum identification is computed. Using an a priori ...

We will report on first tests of a commercial “imaging metal detector” aimed at trying to assess its potentialities and understand in a broader sense if such systems, possibly in a modified form, could be useful to tackle some aspects of the UXO/mine detection problem. The latter include the detection of shallowly buried Unexploded Ordnance (UXO) (e.g. in Laos) or non minimum-metal mines such a...