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Underwater images play a crucial role in ocean research and marine environmental monitoring since they provide quality information about the ecosystem. However, the complex and remote nature of the environment results in poor image quality…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Nilesh Jain , Elie Alhajjar

We present a rigorous mathematical solution to photometric redshift estimation and the more general inversion problem. The challenge we address is to meaningfully constrain unknown properties of astronomical sources based on given…

Astrophysics · Physics 2011-02-11 Tamas Budavari

Precise control and manipulation of optical fields on a nanoscale is one of the most important and challenging problems in "nanophotonics". Since optical wavelength is on a much larger microscale, it is impossible to employ conventional…

Optics · Physics 2011-06-03 T. S. Kao , S. D. Jenkins , J. Ruostekoski , N. I. Zheludev

Capturing photographs with wrong exposures remains a major source of errors in camera-based imaging. Exposure problems are categorized as either: (i) overexposed, where the camera exposure was too long, resulting in bright and washed-out…

Image and Video Processing · Electrical Eng. & Systems 2021-03-31 Mahmoud Afifi , Konstantinos G. Derpanis , Björn Ommer , Michael S. Brown

Photographing in the under-illuminated scenes, the presence of complex light sources often leave strong flare artifacts in images, where the intensity, the spectrum, the reflection, and the aberration altogether contribute the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Zheyan Jin , Shiqi Chen , Huajun Feng , Zhihai Xu , Yueting Chen

When taking images against strong light sources, the resulting images often contain heterogeneous flare artifacts. These artifacts can importantly affect image visual quality and downstream computer vision tasks. While collecting real data…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Yuyan Zhou , Dong Liang , Songcan Chen , Sheng-Jun Huang , Shuo Yang , Chongyi Li

Dataset Distillation (DD) is designed to generate condensed representations of extensive image datasets, enhancing training efficiency. Despite recent advances, there remains considerable potential for improvement, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Bowen Yuan , Zijian Wang , Mahsa Baktashmotlagh , Yadan Luo , Zi Huang

The linear programming (LP) approach is, together with value iteration and policy iteration, one of the three fundamental methods to solve optimal control problems in a dynamic programming setting. Despite its simple formulation,…

Systems and Control · Electrical Eng. & Systems 2023-10-31 Lucia Falconi , Andrea Martinelli , John Lygeros

A recent approach to the control of underactuated systems is to look for control laws which will induce some specified structure on the closed loop system. This basic idea is used in several papers already. In this paper, we will describe…

Optimization and Control · Mathematics 2007-05-23 Fedor Andreev , David Auckly , Lev Kapitanski , Shekhar Gosavi , Atul Kelkar , Warren White

This study investigates the application of an artificial neural network framework for analysing water pollution caused by solids. Water pollution by suspended solids poses significant environmental and health risks. Traditional methods for…

Machine Learning · Computer Science 2026-01-12 I. Luviano Soto , Y. Concha Sánchez , A. Raya

Low-light image enhancement (LLIE) is an ill-posed inverse problem due to the lack of knowledge of the desired image which is obtained under ideal illumination conditions. Low-light conditions give rise to two main issues: a suppressed…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Mustafa Ozcan , Hamza Ergezer , Mustafa Ayazaoglu

The analysis of metrological agents for the estimation of the quality of telecommunication path treatments is carried out. Analysis of subjective and objective estimation methods is presented. The justification for choosing an objective…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Nameer Hashim Qasim , Volodymyr Pyliavskyi , Valentina Solodka

We present IllumFlow, a novel framework that synergizes conditional Rectified Flow (CRF) with Retinex theory for low-light image enhancement (LLIE). Our model addresses low-light enhancement through separate optimization of illumination and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Wenyang Wei , Yang yang , Xixi Jia , Xiangchu Feng , Weiwei Wang , Renzhen Wang

Purple flare, a diffuse chromatic aberration artifact commonly found around highlight areas, severely degrades the tone transition and color of the image. Existing traditional methods are based on hand-crafted features, which lack…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Pu Wang , Shuning Sun , Jialang Lu , Chen Wu , Zhihua Zhang , Youshan Zhang , Chenggang Shan , Dianjie Lu , Guijuan Zhang , Zhuoran Zheng

This paper proposes a strategic model of pollution control. A firm, representative of the productive sector of a country, aims at maximizing its profits by expanding its production. Assuming that the output of production is proportional to…

Optimization and Control · Mathematics 2018-06-08 Giorgio Ferrari , Torben Koch

Earth's atmosphere imprints a large number of telluric absorption and emission lines on astronomical spectra, especially in the near infrared, that need to be removed before analysing the affected wavelength regions. These lines are…

Instrumentation and Methods for Astrophysics · Physics 2016-01-06 N. Rudolf , H. M. Günther , P. C. Schneider , J. H. M. M. Schmitt

In digital imaging, enhancing visual content in poorly lit environments is a significant challenge, as images often suffer from inadequate brightness, hidden details, and an overall reduction in quality. This issue is especially critical in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Farzaneh Koohestani , Nader Karimi , Shadrokh Samavi

Advances in high dynamic range (HDR) lighting estimation from a single image have opened new possibilities for augmented reality (AR) applications. Predicting complex lighting environments from a single input image allows for the realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zitian Zhang , Joshua Urban Davis , Jeanne Phuong Anh Vu , Jiangtao Kuang , Jean-François Lalonde

Traffic signal control is of critical importance for the effective use of transportation infrastructures. The rapid increase of vehicle traffic and changes in traffic patterns make traffic signal control more and more challenging.…

Machine Learning · Computer Science 2021-12-08 Xingshuai Huang , Di Wu , Michael Jenkin , Benoit Boulet

Complex urban road networks with high vehicle occupancy frequently face severe traffic congestion. Designing an effective strategy for managing multiple traffic lights plays a crucial role in managing congestion. However, most current…

Machine Learning · Computer Science 2024-08-15 Taeyoung Yun , Kanghoon Lee , Sujin Yun , Ilmyung Kim , Won-Woo Jung , Min-Cheol Kwon , Kyujin Choi , Yoohyeon Lee , Jinkyoo Park
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