Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantitative Determination of Spatial Protein-protein Proximity in
  Fluorescence Confocal Microscopy   To quantify spatial protein-protein proximity (colocalization) in
fluorescence microscopic images, cross-correlation and autocorrelation
functions were decomposed into fast and slowly decaying components. The fast
component results from clusters of proteins specifically labeled and the slow
one from background/image heterogeneity. We show that the calculation of the
protein-protein proximity index and the correlation coefficient are more
reliably determined by extracting the fast-decaying component.

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The categories of this paper are: hep-ex
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The categories of this paper are: mtrl-th
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The categories of this paper are: math-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
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The categories of this paper are: patt-sol
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: quant-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: chao-dyn
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph