Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Data Processing Approach for Localizing Bio-magnetic Sources in the
  Brain   Magnetoencephalography (MEG) provides dynamic spatial-temporal insight of
neural activities in the cortex. Because the number of possible sources is far
greater than the number of MEG detectors, the proposition to localize sources
directly from MEG data is notoriously ill-posed. Here we develop an approach
based on data processing procedures including clustering, forward and backward
filtering, and the method of maximum entropy. We show that taking as a starting
point the assumption that the sources lie in the general area of the auditory
cortex (an area of about 40 mm by 15 mm), our approach is capable of achieving
reasonable success in pinpointing active sources concentrated in an area of a
few mm's across, while limiting the spatial distribution and number of false
positives.

31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
17
The categories of this paper are: q-fin
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
12
The categories of this paper are: nucl-th
18
The categories of this paper are: econ
1
The categories of this paper are: cs