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Image dehazing using learning-based methods has achieved state-of-the-art performance in recent years. However, most existing methods train a dehazing model on synthetic hazy images, which are less able to generalize well to real hazy…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Yuanjie Shao , Lerenhan Li , Wenqi Ren , Changxin Gao , Nong Sang

Object detection typically assumes that training and test data are drawn from an identical distribution, which, however, does not always hold in practice. Such a distribution mismatch will lead to a significant performance drop. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Yuhua Chen , Wen Li , Christos Sakaridis , Dengxin Dai , Luc Van Gool

Deep learning has achieved remarkable success in medical image classification. However, its clinical application is often hindered by data heterogeneity caused by variations in scanner vendors, imaging protocols, and operators. Approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Yaoyao Zhu , Xiuding Cai , Yingkai Wang , Yu Yao , Xu Luo , Zhongliang Fu

In recent years, deep neural networks tasks have increasingly relied on high-quality image inputs. With the development of high-resolution representation learning, the task of image dehazing has received significant attention. Previously,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Yukai Shi , Zhipeng Weng , Yupei Lin , Cidan Shi , Xiaojun Yang , Liang Lin

We introduce a method for fast estimation of data-adapted, spatio-temporally dependent regularization parameter-maps for variational image reconstruction, focusing on total variation (TV)-minimization. Our approach is inspired by recent…

In astronomy, neural networks are often trained on simulation data with the prospect of being used on telescope observations. Unfortunately, training a model on simulation data and then applying it to instrument data leads to a substantial…

Instrumentation and Methods for Astrophysics · Physics 2021-07-16 A. Ćiprijanović , D. Kafkes , K. Downey , S. Jenkins , G. N. Perdue , S. Madireddy , T. Johnston , G. F. Snyder , B. Nord

Recent medical image reconstruction techniques focus on generating high-quality medical images suitable for clinical use at the lowest possible cost and with the fewest possible adverse effects on patients. Recent works have shown…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Shijun Liang , Anish Lahiri , Saiprasad Ravishankar

Leveraging synthetically rendered data offers great potential to improve monocular depth estimation and other geometric estimation tasks, but closing the synthetic-real domain gap is a non-trivial and important task. While much recent work…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Yunhan Zhao , Shu Kong , Daeyun Shin , Charless Fowlkes

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero

Data augmentation is one of the most effective techniques for regularizing deep learning models and improving their recognition performance in a variety of tasks and domains. However, this holds for standard in-domain settings, in which the…

Domain adaptation has been well-studied in supervised neural machine translation (SNMT). However, it has not been well-studied for unsupervised neural machine translation (UNMT), although UNMT has recently achieved remarkable results in…

Computation and Language · Computer Science 2020-05-06 Haipeng Sun , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Tiejun Zhao , Chenhui Chu

High dynamic range (HDR) imaging is an indispensable technique in modern photography. Traditional methods focus on HDR reconstruction from multiple images, solving the core problems of image alignment, fusion, and tone mapping, yet having a…

Image and Video Processing · Electrical Eng. & Systems 2022-10-31 Phuoc-Hieu Le , Quynh Le , Rang Nguyen , Binh-Son Hua

While developing perception based deep learning models, the benefit of synthetic data is enormous. However, performance of networks trained with synthetic data for certain computer vision tasks degrade significantly when tested on real…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Koustav Mullick , Harshil Jain , Sanchit Gupta , Amit Arvind Kale

We consider the problem of adapting a network trained on three-channel color images to a hyperspectral domain with a large number of channels. To this end, we propose domain adaptor networks that map the input to be compatible with a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Gustavo Perez , Subhransu Maji

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

Deep learning models have been shown to outperform methods that rely on summary statistics, like the power spectrum, in extracting information from complex cosmological data sets. However, due to differences in the subgrid physics…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-16 Andrea Roncoli , Aleksandra Ćiprijanović , Maggie Voetberg , Francisco Villaescusa-Navarro , Brian Nord

We investigate the efficacy of data augmentations to close the domain gap in spaceborne computer vision, crucial for autonomous operations like on-orbit servicing. As the use of computer vision in space increases, challenges such as hostile…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Maximilian Ulmer , Leonard Klüpfel , Maximilian Durner , Rudolph Triebel

Existing GAN inversion methods work brilliantly in reconstructing high-quality (HQ) images while struggling with more common low-quality (LQ) inputs in practical application. To address this issue, we propose Unsupervised Domain Adaptation…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Siyu Xing , Chen Gong , Hewei Guo , Xiao-Yu Zhang , Xinwen Hou , Yu Liu

Current supervised learning models cannot generalize well across domain boundaries, which is a known problem in many applications, such as robotics or visual classification. Domain adaptation methods are used to improve these generalization…

Machine Learning · Computer Science 2020-07-09 Christoph Raab , Frank-Michael Schleif

The major challenge in today's computer vision scenario is the availability of good quality labeled data. In a field of study like image classification, where data is of utmost importance, we need to find more reliable methods which can…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Aashish Dhawan , Divyanshu Mudgal