Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kernel diff-hash   This paper presents a kernel formulation of the recently introduced diff-hash
algorithm for the construction of similarity-sensitive hash functions. Our
kernel diff-hash algorithm that shows superior performance on the problem of
image feature descriptor matching.

10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
14
The categories of this paper are: math-ph
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
4
The categories of this paper are: cond-mat
24
The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
19
The categories of this paper are: eess