GAN‐based tone curve learning for colour transfer

Abstract A new approach for reflecting the colour tone of a reference image on the input image is proposed. Depending on the source and reference image pairs, conventional statistical colour transfer methods often lead to undesirable colour transfer. Conversely, deep learning methods depend on prior...

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Main Authors: D. Ito, R. Sasaki, K. Uruma
Format: Article
Language:English
Published: Wiley 2022-08-01
Series:Electronics Letters
Online Access:https://doi.org/10.1049/ell2.12547
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author D. Ito
R. Sasaki
K. Uruma
author_facet D. Ito
R. Sasaki
K. Uruma
author_sort D. Ito
collection DOAJ
description Abstract A new approach for reflecting the colour tone of a reference image on the input image is proposed. Depending on the source and reference image pairs, conventional statistical colour transfer methods often lead to undesirable colour transfer. Conversely, deep learning methods depend on prior learning, which results in unnatural output images when inappropriate images are learned; moreover, in such situations, analysing what kind of colour transformation has actually been performed is difficult. This state of the art motivates the proposal of a new colour transfer method that estimates tone curves based on generative adversarial nets. This method does not require any data set other than input and reference images, thus enabling a more appropriate colour transfer. The superior output of the proposed method compared with some baseline approaches is demonstrated through experiments.
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spelling doaj.art-94a8392c6e2345ac9ab2990df655c5f22022-12-22T01:33:55ZengWileyElectronics Letters0013-51941350-911X2022-08-01581660961110.1049/ell2.12547GAN‐based tone curve learning for colour transferD. Ito0R. Sasaki1K. Uruma2Graduate School of Informatics Kogakuin University Tokyo JapanSchool of Computer Science Tokyo University of Technology Tokyo JapanDepartment of Computer Science Kogakuin University Tokyo JapanAbstract A new approach for reflecting the colour tone of a reference image on the input image is proposed. Depending on the source and reference image pairs, conventional statistical colour transfer methods often lead to undesirable colour transfer. Conversely, deep learning methods depend on prior learning, which results in unnatural output images when inappropriate images are learned; moreover, in such situations, analysing what kind of colour transformation has actually been performed is difficult. This state of the art motivates the proposal of a new colour transfer method that estimates tone curves based on generative adversarial nets. This method does not require any data set other than input and reference images, thus enabling a more appropriate colour transfer. The superior output of the proposed method compared with some baseline approaches is demonstrated through experiments.https://doi.org/10.1049/ell2.12547
spellingShingle D. Ito
R. Sasaki
K. Uruma
GAN‐based tone curve learning for colour transfer
Electronics Letters
title GAN‐based tone curve learning for colour transfer
title_full GAN‐based tone curve learning for colour transfer
title_fullStr GAN‐based tone curve learning for colour transfer
title_full_unstemmed GAN‐based tone curve learning for colour transfer
title_short GAN‐based tone curve learning for colour transfer
title_sort gan based tone curve learning for colour transfer
url https://doi.org/10.1049/ell2.12547
work_keys_str_mv AT dito ganbasedtonecurvelearningforcolourtransfer
AT rsasaki ganbasedtonecurvelearningforcolourtransfer
AT kuruma ganbasedtonecurvelearningforcolourtransfer