Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Lossy Compression of Exponential and Laplacian Sources using Expansion
  Coding   A general method of source coding over expansion is proposed in this paper,
which enables one to reduce the problem of compressing an analog
(continuous-valued source) to a set of much simpler problems, compressing
discrete sources. Specifically, the focus is on lossy compression of
exponential and Laplacian sources, which is subsequently expanded using a
finite alphabet prior to being quantized. Due to decomposability property of
such sources, the resulting random variables post expansion are independent and
discrete. Thus, each of the expanded levels corresponds to an independent
discrete source coding problem, and the original problem is reduced to coding
over these parallel sources with a total distortion constraint. Any feasible
solution to the optimization problem is an achievable rate distortion pair of
the original continuous-valued source compression problem. Although finding the
solution to this optimization problem at every distortion is hard, we show that
our expansion coding scheme presents a good solution in the low distrotion
regime. Further, by adopting low-complexity codes designed for discrete source
coding, the total coding complexity can be tractable in practice.

26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
24
The categories of this paper are: dg-ga