Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Contrast Optimization And Local Adaptation (COALA) for HDR Compression   This paper develops a novel approach for high dynamic-range compression. It
relies on the widely accepted assumption that the human visual system is not
very sensitive to absolute luminance reaching the retina, but rather responds
to relative luminance ratios. Dynamic-range compression is then formulated as a
regularized optimization in which the image dynamic range is reduced while the
local contrast of the original scene is preserved. Our method is shown to be
capable of drastic dynamic-range compression, while preserving fine details and
avoiding common artifacts such as halos, gradient reversals, or loss of local
contrast.

5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
18
The categories of this paper are: econ
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th