Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Image-to-Image Translation via Group-wise Deep Whitening-and-Coloring
  Transformation   Recently, unsupervised exemplar-based image-to-image translation, conditioned
on a given exemplar without the paired data, has accomplished substantial
advancements. In order to transfer the information from an exemplar to an input
image, existing methods often use a normalization technique, e.g., adaptive
instance normalization, that controls the channel-wise statistics of an input
activation map at a particular layer, such as the mean and the variance.
Meanwhile, style transfer approaches similar task to image translation by
nature, demonstrated superior performance by using the higher-order statistics
such as covariance among channels in representing a style. In detail, it works
via whitening (given a zero-mean input feature, transforming its covariance
matrix into the identity). followed by coloring (changing the covariance matrix
of the whitened feature to those of the style feature). However, applying this
approach in image translation is computationally intensive and error-prone due
to the expensive time complexity and its non-trivial backpropagation. In
response, this paper proposes an end-to-end approach tailored for image
translation that efficiently approximates this transformation with our novel
regularization methods. We further extend our approach to a group-wise form for
memory and time efficiency as well as image quality. Extensive qualitative and
quantitative experiments demonstrate that our proposed method is fast, both in
training and inference, and highly effective in reflecting the style of an
exemplar. Finally, our code is available at
https://github.com/WonwoongCho/GDWCT.

13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
22
The categories of this paper are: chao-dyn
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
0
The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg
18
The categories of this paper are: econ
16
The categories of this paper are: stat