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Adjusting the photo color to associate with some design elements is an essential way for a graphic design to effectively deliver its message and make it aesthetically pleasing. However, existing tools and previous works face a dilemma…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zhenwei Wang , Nanxuan Zhao , Gerhard Hancke , Rynson W. H. Lau

We present a novel approach to adjust global image properties such as colour, saturation, and luminance using human-interpretable image enhancement curves, inspired by the Photoshop curves tool. Our method, dubbed neural CURve Layers…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Sean Moran , Steven McDonagh , Gregory Slabaugh

Spectral Photon-Counting Computed Tomography (SPCCT) is a promising technology that has shown a number of advantages over conventional X-ray Computed Tomography (CT) in the form of material separation, artefact removal and enhanced image…

Image and Video Processing · Electrical Eng. & Systems 2020-03-10 Dimitris Kamilis , Mario Blatter , Nick Polydorides

Image style transfer is a challenging task in computational vision. Existing algorithms transfer the color and texture of style images by controlling the neural network's feature layers. However, they fail to control the strength of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Junjie Kang , Jinsong Wu , Shiqi Jiang

This paper presents a novel and efficient image enhancement method based on pigment representation. Unlike conventional methods where the color transformation is restricted to pre-defined color spaces like RGB, our method dynamically adapts…

Image and Video Processing · Electrical Eng. & Systems 2025-10-06 Se-Ho Lee , Keunsoo Ko , Seung-Wook Kim

A biologically plausible computational model for color representation is introduced. We present a mechanistic hierarchical model of neurons that not only successfully encodes local hue, but also explicitly reveals how the contributions of…

Computer Vision and Pattern Recognition · Computer Science 2018-02-21 Paria Mehrani , Andrei Mouraviev , Oscar J. Avella Gonzalez , John K. Tsotsos

Exploiting a priori known structural information lies at the core of many image reconstruction methods that can be stated as inverse problems. The synthesis model, which assumes that images can be decomposed into a linear combination of…

Machine Learning · Computer Science 2015-06-04 Simon Hawe , Martin Kleinsteuber , Klaus Diepold

We propose a supervised machine learning approach for boosting existing signal and image recovery methods and demonstrate its efficacy on example of image reconstruction in computed tomography. Our technique is based on a local nonlinear…

Computer Vision and Pattern Recognition · Computer Science 2013-12-02 Joseph Shtok , Michael Zibulevsky , Michael Elad

This note presents an extension to the neural artistic style transfer algorithm (Gatys et al.). The original algorithm transforms an image to have the style of another given image. For example, a photograph can be transformed to have the…

Computer Vision and Pattern Recognition · Computer Science 2016-06-21 Leon A. Gatys , Matthias Bethge , Aaron Hertzmann , Eli Shechtman

Transferring artistic styles onto everyday photographs has become an extremely popular task in both academia and industry. Recently, offline training has replaced on-line iterative optimization, enabling nearly real-time stylization. When…

Computer Vision and Pattern Recognition · Computer Science 2017-12-01 Xin Wang , Geoffrey Oxholm , Da Zhang , Yuan-Fang Wang

We treat the problem of color enhancement as an image translation task, which we tackle using both supervised and unsupervised learning. Unlike traditional image to image generators, our translation is performed using a global parameterized…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Yoav Chai , Raja Giryes , Lior Wolf

We present a new vectorial total variation method that addresses the problem of color consistent image filtering. Our approach is inspired from the double-opponent cell representation in the human visual cortex. Existing methods of…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Freddie Åström , Christoph Schnörr

Photo retouching aims at enhancing the aesthetic visual quality of images that suffer from photographic defects such as over/under exposure, poor contrast, inharmonious saturation. Practically, photo retouching can be accomplished by a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Jingwen He , Yihao Liu , Yu Qiao , Chao Dong

Given a grayscale photograph as input, this paper attacks the problem of hallucinating a plausible color version of the photograph. This problem is clearly underconstrained, so previous approaches have either relied on significant user…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Richard Zhang , Phillip Isola , Alexei A. Efros

Hyperspectral Imaging is a crucial tool in remote sensing which captures far more spectral information than standard color images. However, the increase in spectral information comes at the cost of spatial resolution. Super-resolution is a…

Image and Video Processing · Electrical Eng. & Systems 2023-10-26 Alexander Ulrichsen , Paul Murray , Stephen Marshall , Moncef Gabbouj , Serkan Kiranyaz , Mehmet Yamac , Nour Aburaed

For lossy image compression, we develop a neural-based system which learns a nonlinear estimator for decoding from quantized representations. The system links two recurrent networks that \help" each other reconstruct same target image…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Ankur Mali , Alexander G. Ororbia , Clyde Lee Giles

Color is a crucial visual cue readily exploited by Convolutional Neural Networks (CNNs) for object recognition. However, CNNs struggle if there is data imbalance between color variations introduced by accidental recording conditions. Color…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Attila Lengyel , Ombretta Strafforello , Robert-Jan Bruintjes , Alexander Gielisse , Jan van Gemert

In this paper, we study the importance of pre-training for the generalization capability in the color constancy problem. We propose two novel approaches based on convolutional autoencoders: an unsupervised pre-training algorithm using a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Jarno Nikkanen , Moncef Gabbouj

Photo retouching is a difficult task for novice users as it requires expert knowledge and advanced tools. Photographers often spend a great deal of time generating high-quality retouched photos with intricate details. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Fazilet Gokbudak , Cengiz Oztireli

Convolutional Neural Network(CNN) has been widely used for image recognition with great success. However, there are a number of limitations of the current CNN based image recognition paradigm. First, the receptive field of CNN is generally…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Dong-Qing Zhang