English
Related papers

Related papers: Primary visual cortex contributes to color constan…

200 papers

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

Recent work suggests that changing Convolutional Neural Network (CNN) architecture by introducing a bottleneck in the second layer can yield changes in learned function. To understand this relationship fully requires a way of quantitatively…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Ethan Harris , Daniela Mihai , Jonathon Hare

Computational color constancy is a very important topic in computer vision and has attracted many researchers' attention. Recently, lots of research has shown the effects of high level visual content information for illumination estimation.…

Computer Vision and Pattern Recognition · Computer Science 2012-11-09 Bing Li , Weihua Xiong , Weiming Hu

In this paper, we formulate the color constancy task as an image-to-image translation problem using GANs. By conducting a large set of experiments on different datasets, an experimental survey is provided on the use of different types of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Partha Das , Anil S. Baslamisli , Yang Liu , Sezer Karaoglu , Theo Gevers

For most animal species, quick and reliable identification of visual objects is critical for survival. This applies also to rodents, which, in recent years, have become increasingly popular models of visual functions. For this reason in…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Sebastiano Vascon , Ylenia Parin , Eis Annavini , Mattia D'Andola , Davide Zoccolan , Marcello Pelillo

We previously investigated color constancy in photorealistic virtual reality (VR) and developed a Deep Neural Network (DNN) that predicts reflectance from rendered images. Here, we combine both approaches to compare and study a model and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Hamed Heidari-Gorji , Raquel Gil Rodriguez , Karl R. Gegenfurtner

Image colorization achieves more and more realistic results with the increasing computation power of recent deep learning techniques. It becomes more difficult to identify the fake colorized images by human eyes. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Weize Quan , Dong-Ming Yan , Kai Wang , Xiaopeng Zhang , Denis Pellerin

The on-off phenomena of opponent colors in center-surround may be the best-known facts of retinal processing of information. Apparently, however, no explicit model has been proposed that shows how neurons can be connected to produce the…

Neurons and Cognition · Quantitative Biology 2025-02-07 Lane Yoder

In this study, a novel illuminant color estimation framework is proposed for computational color constancy, which incorporates the high representational capacity of deep-learning-based models and the great interpretability of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Jueqin Qiu , Haisong Xu , Zhengnan Ye

It has been hypothesized that neural activities in the primary visual cortex (V1) represent a saliency map of the visual field to exogenously guide attention. This hypothesis has so far provided only qualitative predictions and their…

Neurons and Cognition · Quantitative Biology 2015-10-08 Li Zhaoping , Li Zhe

This work explores how color is encoded in CLIP (Contrastive Language-Image Pre-training) which is currently the most influential VML (Visual Language model) in Artificial Intelligence. After performing different experiments on synthetic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Guillem Arias , Ramon Baldrich , Maria Vanrell

Information about the illuminant color is well contained in both achromatic regions and the specular components of highlight regions. In this paper, we propose a novel way to achieve color constancy by exploiting such clues. The key to our…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Huan Lei , Guang Jiang , Long Quan

Classical models describe primary visual cortex (V1) as a filter bank of orientation-selective linear-nonlinear (LN) or energy models, but these models fail to predict neural responses to natural stimuli accurately. Recent work shows that…

Visual illusions teach us that what we see is not always what it is represented in the physical world. Its special nature make them a fascinating tool to test and validate any new vision model proposed. In general, current vision models are…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Alexander Gomez-Villa , Adrián Martín , Javier Vazquez-Corral , Marcelo Bertalmío

Receptive profiles of V1 cortical cells are very heterogeneous and act by differentiating the stimulus image as operators changing from point to point. A lightness and color constancy image can be reconstructed as the solution of the…

Analysis of PDEs · Mathematics 2023-08-01 Alessandro Sarti , Mattia Galeotti , Giovanna Citti

Recently, Convolutional Neural Networks (CNNs) have been widely used to solve the illuminant estimation problem and have often led to state-of-the-art results. Standard approaches operate directly on the input image. In this paper, we argue…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Firas Laakom , Jenni Raitoharju , Jarno Nikkanen , Alexandros Iosifidis , Moncef Gabbouj

Although it seems counter-intuitive, categorical colours do not exist as external physical entities but are very much the product of our brains. Our cortical machinery segments the world and associate objects to specific colour terms, which…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Arash Akbarinia , C. Alejandro Parraga

The assumption of a uniform light color distribution is no longer applicable in scenes that have multiple light colors. Most color constancy methods are designed to deal with a single light color, and thus are erroneous when applied to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Shuwei Li , Jikai Wang , Michael S. Brown , Robby T. Tan

There has been great progress in understanding of anatomical and functional microcircuitry of the primate cortex. However, the fundamental principles of cortical computation - the principles that allow the visual cortex to bind retinal…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Micah Richert , Dimitry Fisher , Filip Piekniewski , Eugene M. Izhikevich , Todd L. Hylton

Computational color constancy has the important task of reducing the influence of the scene illumination on the object colors. As such, it is an essential part of the image processing pipelines of most digital cameras. One of the important…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Egor Ershov , Alex Savchik , Illya Semenkov , Nikola Banić , Alexander Belokopytov , Daria Senshina , Karlo Koscević , Marko Subašić , Sven Lončarić