English
Related papers

Related papers: Multi-color balance for color constancy

200 papers

Despite the existence of numerous colorization methods, several limitations still exist, such as lack of user interaction, inflexibility in local colorization, unnatural color rendering, insufficient color variation, and color overflow. To…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Zhexin Liang , Zhaochen Li , Shangchen Zhou , Chongyi Li , Chen Change Loy

We address the problem of finding harmonic colors, this problem has many applications, from fashion to industrial design. In order to solve this problem we consider that colors follow normal distributions in tone (chroma and lightness) and…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Carlos Lara-Alvarez , Tania Reyes

An assignment of colours to the vertices of a graph is stable if any two vertices of the same colour have identically coloured neighbourhoods. The goal of colour refinement is to find a stable colouring that uses a minimum number of…

Data Structures and Algorithms · Computer Science 2015-09-29 Christoph Berkholz , Paul Bonsma , Martin Grohe

In a surround view system, the image color and tone captured by multiple cameras can be different due to cameras applying auto white balance (AWB), global tone mapping (GTM) individually for each camera. The color and brightness along…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yuzhuo Ren , Yining Deng , David Pajak , Robin Jenkin , Niranjan Avadhanam , Varsha Hedau

A 2-coloring of the n-cube in the n-dimensional Euclidean space can be considered as an assignment of weights of 1 or 0 to the vertices. Such a colored n-cube is said to be balanced if its center of mass coincides with its geometric center.…

Combinatorics · Mathematics 2009-10-07 William Y. C. Chen , Larry X. W. Wang

Traditional auto white balance (AWB) algorithms typically assume a single global illuminant source, which leads to color distortions in multi-illuminant scenes. While recent neural network-based methods have shown excellent accuracy in such…

Image and Video Processing · Electrical Eng. & Systems 2025-02-07 Wenjun Wei , Yanlin Qian , Huaian Chen , Junkang Dai , Yi Jin

In this paper, a theorem is proved that generalizes several existing amalgamation results in various ways. The main aim is to disentangle a given edge-colored amalgamated graph so that the result is a graph in which the edges are shared out…

Combinatorics · Mathematics 2017-10-12 Amin Bahmanian , Chris Rodger

In this work we describe a Convolutional Neural Network (CNN) to accurately predict the scene illumination. Taking image patches as input, the CNN works in the spatial domain without using hand-crafted features that are employed by most…

Computer Vision and Pattern Recognition · Computer Science 2015-04-20 Simone Bianco , Claudio Cusano , Raimondo Schettini

Pooling is a ubiquitous operation in image processing algorithms that allows for higher-level processes to collect relevant low-level features from a region of interest. Currently, max-pooling is one of the most commonly used operators in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Arash Akbarinia , Raquel Gil Rodríguez , C. Alejandro Parraga

In this paper, we consider the color-plus-mono dual-camera system and propose an end-to-end convolutional neural network to align and fuse images from it in an efficient and cost-effective way. Our method takes cross-domain and cross-scale…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Yaping Zhao , Haitian Zheng , Mengqi Ji , Ruqi Huang

Despite the great success of large-scale text-to-image diffusion models in image generation and image editing, existing methods still struggle to edit the layout of real images. Although a few works have been proposed to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Tao Xia , Yudi Zhang , Ting Liu Lei Zhang

It is well known that any set of n intervals in $\mathbb{R}^1$ admits a non-monochromatic coloring with two colors and a conflict-free coloring with three colors. We investigate generalizations of this result to colorings of objects in more…

Discrete Mathematics · Computer Science 2018-05-08 Boris Aronov , Mark de Berg , Aleksandar Markovic , Gerhard Woeginger

Multi-exposure image fusion is a method for producing an image with a wide dynamic range by fusing multiple images taken under various exposure values. In this paper, we discuss color distortion included in fused images, and propose a novel…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Artit Visavakitcharoen , Yuma Kinoshita , Hitoshi Kiya

Handling various objects with different colors is a significant challenge for image colorization techniques. Thus, for complex real-world scenes, the existing image colorization algorithms often fail to maintain color consistency. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Subhankar Ghosh , Saumik Bhattacharya , Prasun Roy , Umapada Pal , Michael Blumenstein

In natural image matting, the goal is to estimate the opacity of the foreground object in the image. This opacity controls the way the foreground and background is blended in transparent regions. In recent years, advances in deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Sebastian Lutz , Aljosa Smolic

Unrestricted color attacks, which manipulate semantically meaningful color of an image, have shown their stealthiness and success in fooling both human eyes and deep neural networks. However, current works usually sacrifice the flexibility…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Shengming Yuan , Qilong Zhang , Lianli Gao , Yaya Cheng , Jingkuan Song

The image signal processor (ISP) pipeline in modern cameras consists of several modules that transform raw sensor data into visually pleasing images in a display color space. Among these, the auto white balance (AWB) module is essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Luxi Zhao , Mahmoud Afifi , Michael S. Brown

Style may refer to different concepts (e.g. painting style, hairstyle, texture, color, filter, etc.) depending on how the feature space is formed. In this work, we propose a novel idea of interpreting the lighting in the single- and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Furkan Kınlı , Doğa Yılmaz , Barış Özcan , Furkan Kıraç

This paper targets the problem of multi-task dense prediction which aims to achieve simultaneous learning and inference on a bunch of multiple dense prediction tasks in a single framework. A core objective in design is how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Siwei Yang , Hanrong Ye , Dan Xu

Portrait harmonization aims to composite a subject into a new background, adjusting its lighting and color to ensure harmony with the background scene. Existing harmonization techniques often only focus on adjusting the global color and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Mengwei Ren , Wei Xiong , Jae Shin Yoon , Zhixin Shu , Jianming Zhang , HyunJoon Jung , Guido Gerig , He Zhang