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Haze and fog reduce the visibility of outdoor scenes as a veil like semi-transparent layer appears over the objects. As a result, images captured under such conditions lack contrast. Image dehazing methods try to alleviate this problem by…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Shirsendu Sukanta Halder , Sanchayan Santra , Bhabatosh Chanda

Convolutional Neural Networks (CNNs) for visual tasks are believed to learn both the low-level textures and high-level object attributes, throughout the network depth. This paper further investigates the `texture bias' in CNNs. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Amin Banitalebi-Dehkordi , Yong Zhang

Continual Learning (CL) focuses on learning from dynamic and changing data distributions while retaining previously acquired knowledge. Various methods have been developed to address the challenge of catastrophic forgetting, including…

Machine Learning · Computer Science 2024-03-21 Zhenyi Wang , Yan Li , Li Shen , Heng Huang

Removing adverse weather conditions like rain, fog, and snow from images is a challenging problem. Although the current recovery algorithms targeting a specific condition have made impressive progress, it is not flexible enough to deal with…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Tian Ye , Sixiang Chen , Yun Liu , Erkang Chen , Yuche Li

In this work, we address the limitations of denoising diffusion models (DDMs) in image restoration tasks, particularly the shape and color distortions that can compromise image quality. While DDMs have demonstrated a promising performance…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Xinlong Cheng , Tiantian Cao , Guoan Cheng , Bangxuan Huang , Xinghan Tian , Ye Wang , Xiaoyu He , Weixin Li , Tianfan Xue , Xuan Dong

Convolutional Neural Networks (CNNs) have achieved superior performance on object image retrieval, while Bag-of-Words (BoW) models with handcrafted local features still dominate the retrieval of overlapping images in 3D reconstruction. In…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Tianwei Shen , Zixin Luo , Lei Zhou , Runze Zhang , Siyu Zhu , Tian Fang , Long Quan

Models trained on datasets with texture bias usually perform poorly on out-of-distribution samples since biased representations are embedded into the model. Recently, various image translation and debiasing methods have attempted to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Myeongkyun Kang , Dongkyu Won , Miguel Luna , Philip Chikontwe , Kyung Soo Hong , June Hong Ahn , Sang Hyun Park

Ensuring the robustness of lane detection systems is essential for the reliability of autonomous vehicles, particularly in the face of diverse weather conditions. While numerous algorithms have been proposed, addressing challenges posed by…

Image and Video Processing · Electrical Eng. & Systems 2025-03-10 I-Chen Sang , William R. Norris

Image-to-image translation is an ill-posed problem as unique one-to-one mapping may not exist between the source and target images. Learning-based methods proposed in this context often evaluate the performance on test data that is similar…

Image and Video Processing · Electrical Eng. & Systems 2021-10-08 Uddeshya Upadhyay , Viswanath P. Sudarshan , Suyash P. Awate

Image restoration is the task of recovering a clean image from a degraded version. In most cases, the degradation is spatially varying, and it requires the restoration network to both localize and restore the affected regions. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-01-04 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

Graph continual learning (GCL) aims to learn from a continuous sequence of graph-based tasks. Regularization methods are vital for preventing catastrophic forgetting in GCL, particularly in the challenging replay-free, class-incremental…

Machine Learning · Computer Science 2025-09-17 Jie Yin , Ke Sun , Han Wu

Image restoration is a low-level vision task, most CNN methods are designed as a black box, lacking transparency and internal aesthetics. Although some methods combining traditional optimization algorithms with DNNs have been proposed, they…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiao Feng Zhang , Chao Chen Gu , Shan Ying Zhu

Adverse conditions typically suffer from stochastic hybrid weather degradations (e.g., rainy and hazy night), while existing image restoration algorithms envisage that weather degradations occur independently, thus may fail to handle…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Ye-Cong Wan , Ming-Wen Shao , Yuan-Shuo Cheng , Yue-Xian Liu , Zhi-Yuan Bao

A deraining network can be interpreted as a conditional generator that aims at removing rain streaks from image. Most existing image deraining methods ignore model errors caused by uncertainty that reduces embedding quality. Unlike existing…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Chenghao Chen , Hao Li

Visual Tracking is a complex problem due to unconstrained appearance variations and dynamic environment. Extraction of complementary information from the object environment via multiple features and adaption to the target's appearance…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Kapil Sharma , Himanshu Ahuja , Ashish Kumar , Nipun Bansal , Gurjit Singh Walia

The ability to detect objects regardless of image distortions or weather conditions is crucial for real-world applications of deep learning like autonomous driving. We here provide an easy-to-use benchmark to assess how object detection…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Claudio Michaelis , Benjamin Mitzkus , Robert Geirhos , Evgenia Rusak , Oliver Bringmann , Alexander S. Ecker , Matthias Bethge , Wieland Brendel

A small ISO and a small exposure time are usually used to capture an image in the back or low light conditions which results in an image with negligible motion blur and small noise but look dark. In this paper, a single image brightening…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Chaobing Zheng , Zhengguo Li , Yi Yang , Shiqian Wu

Recently, there is a vast interest in developing image feature learning methods that are independent of the training data, such as deep image prior, InGAN, SinGAN, and DCIL. These methods are unsupervised and are used to perform low-level…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Indra Deep Mastan , Shanmuganathan Raman

Single image dehazing, which aims to recover the clear image solely from an input hazy or foggy image, is a challenging ill-posed problem. Analysing existing approaches, the common key step is to estimate the haze density of each pixel. To…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Yafei Song , Jia Li , Xiaogang Wang , Xiaowu Chen

Photographs taken in adverse weather conditions often suffer from blurriness, occlusion, and low brightness due to interference from rain, snow, and fog. These issues can significantly hinder the performance of subsequent computer vision…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Weikai Qu , Sijun Liang , Cheng Pan , Zikuan Yang , Guanchi Zhou , Xianjun Fu , Bo Liu , Changmiao Wang , Ahmed Elazab