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Related papers: Perceptually-Minimal Color Optimization for Web Ac…

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We study one of the key tools in data approximation and optimization: low-discrepancy colorings. Formally, given a finite set system $(X,\mathcal S)$, the \emph{discrepancy} of a two-coloring $\chi:X\to\{-1,1\}$ is defined as $\max_{S \in…

Data Structures and Algorithms · Computer Science 2022-09-05 Mónika Csikós , Nabil H. Mustafa

While many image colorization algorithms have recently shown the capability of producing plausible color versions from gray-scale photographs, they still suffer from limited semantic understanding. To address this shortcoming, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Jiaojiao Zhao , Jungong Han , Ling Shao , Cees G. M. Snoek

We propose a new algorithm for color transfer between images that have perceptually similar semantic structures. We aim to achieve a more accurate color transfer that leverages semantically-meaningful dense correspondence between images. To…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Mingming He , Jing Liao , Dongdong Chen , Lu Yuan , Pedro V. Sander

Semantic scene understanding is an essential task for self-driving vehicles and mobile robots. In our work, we aim to estimate a semantic segmentation map, in which the foreground objects are removed and semantically inpainted with…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Chenyang Lu , Gijs Dubbelman

We present a novel color-aware perceptual (CAP) loss for learning the task of pan-sharpening. Our CAP loss is designed to focus on the deep features of a pre-trained VGG network that are more sensitive to spatial details and ignore color…

Image and Video Processing · Electrical Eng. & Systems 2020-07-01 Juan Luis Gonzalez Bello , Soomin Seo , Munchurl Kim

In real-time applications the characteristics and properties of a signal vary inconsistently. So, to maintain the integrity of such signals there is a need for effective adaptive filters. The conventional Least Mean Squared(LMS) algorithm…

Signal Processing · Electrical Eng. & Systems 2021-12-01 R Sankara Prasad

Vision-language models (VLMs) achieve strong benchmark results, yet can exhibit systematic perceptual weaknesses: structured, large changes to pixel values can cause confident yet nonsensical predictions, even when the underlying scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Nicoleta-Nina Basoc , Adrian Cosma , Emilian Radoi

We consider the problem of finding a low discrepancy coloring for sparse set systems where each element lies in at most $t$ sets. We give an algorithm that finds a coloring with discrepancy $O((t \log n \log s)^{1/2})$ where $s$ is the…

Data Structures and Algorithms · Computer Science 2016-02-03 Nikhil Bansal , Shashwat Garg

This work presents Controllable Layer Decomposition (CLD), a method for achieving fine-grained and controllable multi-layer separation of raster images. In practical workflows, designers typically generate and edit each RGBA layer…

Graphics · Computer Science 2025-11-26 Zihao Liu , Zunnan Xu , Shi Shu , Jun Zhou , Ruicheng Zhang , Zhenchao Tang , Xiu Li

We propose an adaptive mixed precision and dynamically scaled preconditioned conjugate gradient algorithm (AMP-PCG). It dynamically adjusts the precision for storing vectors and computing, exploiting low precision when appropriate, while…

Numerical Analysis · Mathematics 2025-05-08 Yichen Guo , Eric de Sturler , Tim Warburton

Color code is a promising topological code for fault-tolerant quantum computing. Insufficient research on the color code has delayed its practical application. In this work, we address several key issues to facilitate practical…

Quantum Physics · Physics 2024-06-04 Jiaxuan Zhang , Yu-Chun Wu , Guo-Ping Guo

We consider the discrepancy problem of coloring $n$ intervals with $k$ colors such that at each point on the line, the maximal difference between the number of intervals of any two colors is minimal. Somewhat surprisingly, a coloring with…

Data Structures and Algorithms · Computer Science 2010-12-20 Antonios Antoniadis , Falk Hüffner , Pascal Lenzner , Carsten Moldenhauer , Alexander Souza

In this paper, we propose a novel multi-color balance method for reducing color distortions caused by lighting effects. The proposed method allows us to adjust three target-colors chosen by a user in an input image so that each target color…

Multimedia · Computer Science 2021-05-24 Teruaki Akazawa , Yuma Kinoshita , Hitoshi Kiya

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki

To interpret the meanings of colors in visualizations of categorical information, people must determine how distinct colors correspond to different concepts. This process is easier when assignments between colors and concepts in…

Human-Computer Interaction · Computer Science 2019-10-08 Ragini Rathore , Zachary Leggon , Laurent Lessard , Karen B. Schloss

Computer vision algorithms are known to be extremely sensitive to the environmental conditions in which the data is captured, e.g., lighting conditions and target density. Tuning of parameters or choosing a completely new algorithm is often…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Shu Zhang , Qi Zhu , Amit Roy-Chowdhury

Domain-specific image generation aims to produce high-quality visual content for specialized fields while ensuring semantic accuracy and detail fidelity. However, existing methods exhibit two critical limitations: First, current approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Suoxiang Zhang , Xiaxi Li , Hongrui Chang , Zhuoyan Hou , Guoxin Wu , Ronghua Ji

Color selection plays a critical role in graphic document design and requires sufficient consideration of various contexts. However, recommending appropriate colors which harmonize with the other colors and textual contexts in documents is…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Qianru Qiu , Xueting Wang , Mayu Otani

Targeted color-dots with varying shapes and sizes in images are first exhaustively identified, and then their multiscale 2D geometric patterns are extracted for testing spatial uniformness in a progressive fashion. Based on color theory in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shuting Liao , Li-Yu Liu , Ting-An Chen , Kuang-Yu Chen , Fushing Hsieh

Weakly-supervised learning based on, e.g., partially labelled images or image-tags, is currently attracting significant attention in CNN segmentation as it can mitigate the need for full and laborious pixel/voxel annotations. Enforcing…

Computer Vision and Pattern Recognition · Computer Science 2019-03-08 Hoel Kervadec , Jose Dolz , Meng Tang , Eric Granger , Yuri Boykov , Ismail Ben Ayed