Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mapping Images with the Coherence Length Diagrams   Statistical pattern recognition methods based on the Coherence Length Diagram
(CLD) have been proposed for medical image analyses, such as quantitative
characterisation of human skin textures, and for polarized light microscopy of
liquid crystal textures. Further investigations are made on image maps
originated from such diagram and some examples related to irregularity of
microstructures are shown.

9
The categories of this paper are: nlin
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The categories of this paper are: gr-qc
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: q-fin
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The categories of this paper are: hep-ex
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The categories of this paper are: funct-an
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The categories of this paper are: hep-lat