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Restoring images captured under adverse weather conditions is a fundamental task for many computer vision applications. However, most existing weather restoration approaches are only capable of handling a specific type of degradation, which…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Ruoxi Zhu , Zhengzhong Tu , Jiaming Liu , Alan C. Bovik , Yibo Fan

Faithful image super-resolution (SR) not only needs to recover images that appear realistic, similar to image generation tasks, but also requires that the restored images maintain fidelity and structural consistency with the input. To this…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Junyang Chen , Jinshan Pan , Jiangxin Dong

Weakly supervised semantic segmentation (WSSS) methods using class labels often rely on class activation maps (CAMs) to localize objects. However, traditional CAM-based methods struggle with partial activations and imprecise object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Dewen Zeng , Xinrong Hu , Yu-Jen Chen , Yawen Wu , Xiaowei Xu , Yiyu Shi

Capturing geometric and material information from images remains a fundamental challenge in computer vision and graphics. Traditional optimization-based methods often require hours of computational time to reconstruct geometry, material…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Zhibing Li , Tong Wu , Jing Tan , Mengchen Zhang , Jiaqi Wang , Dahua Lin

Removing adverse weather conditions like rain, fog, and snow from images is an important problem in many applications. Most methods proposed in the literature have been designed to deal with just removing one type of degradation. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Jeya Maria Jose Valanarasu , Rajeev Yasarla , Vishal M. Patel

Real-world image de-weathering aims at removingvarious undesirable weather-related artifacts, e.g., rain, snow,and fog. To this end, acquiring ideal training pairs is crucial.Existing real-world datasets are typically constructed paired…

Graphics · Computer Science 2025-04-15 Heming Xu , Xiaohui Liu , Zhilu Zhang , Hongzhi Zhang , Xiaohe Wu , Wangmeng Zuo

Recently, diffusion-based blind super-resolution (SR) methods have shown great ability to generate high-resolution images with abundant high-frequency detail, but the detail is often achieved at the expense of fidelity. Meanwhile, another…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Shao-Hao Lu , Ren Wang , Ching-Chun Huang , Wei-Chen Chiu

Face images captured in real-world low light suffer multiple degradations-low illumination, blur, noise, and low visibility, etc. Existing cascaded solutions often suffer from severe error accumulation, while generic joint models lack…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yilin Ni , Wenjie Li , Zhengxue Wang , Juncheng Li , Guangwei Gao , Jian Yang

Diffusion model (DM) has achieved SOTA performance by modeling the image synthesis process into a sequential application of a denoising network. However, different from image synthesis, image restoration (IR) has a strong constraint to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Bin Xia , Yulun Zhang , Shiyin Wang , Yitong Wang , Xinglong Wu , Yapeng Tian , Wenming Yang , Luc Van Gool

Image restoration under adverse weather conditions (e.g., rain, snow and haze) is a fundamental computer vision problem and has important indications for various downstream applications. Different from early methods that are specially…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zhentao Tan , Yue Wu , Qiankun Liu , Qi Chu , Le Lu , Jieping Ye , Nenghai Yu

All-in-One Image Restoration (AiOIR) faces the fundamental challenge in reconciling conflicting optimization objectives across heterogeneous degradations. Existing methods are often constrained by coarse-grained control mechanisms or fixed…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Luwei Tu , Jiawei Wu , Xing Luo , Zhi Jin

Pre-trained Latent Diffusion Models (LDMs) have recently shown strong perceptual priors for low-level vision tasks, making them a promising direction for multi-exposure High Dynamic Range (HDR) reconstruction. However, directly applying…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Tao Hu , Weiyu Zhou , Yanjie Tu , Peng Wu , Wei Dong , Qingsen Yan , Yanning Zhang

We present Latent Diffeomorphic Dynamic Mode Decomposition (LDDMD), a new data reduction approach for the analysis of non-linear systems that combines the interpretability of Dynamic Mode Decomposition (DMD) with the predictive power of…

Machine Learning · Computer Science 2025-08-04 Willem Diepeveen , Jon Schwenk , Andrea Bertozzi

Depth completion is the task of recovering dense depth maps from sparse ones, usually with the help of color images. Existing image-guided methods perform well on daytime depth perception self-driving benchmarks, but struggle in nighttime…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhiqiang Yan , Yupeng Zheng , Chongyi Li , Jun Li , Jian Yang

Vision-centric perception systems for autonomous driving have gained considerable attention recently due to their cost-effectiveness and scalability, especially compared to LiDAR-based systems. However, these systems often struggle in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Jinlong Li , Baolu Li , Zhengzhong Tu , Xinyu Liu , Qing Guo , Felix Juefei-Xu , Runsheng Xu , Hongkai Yu

There is a growing interest in the use of latent diffusion models (LDMs) for image restoration (IR) tasks due to their ability to model effectively the distribution of natural images. While significant progress has been made, there are…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Di You , Daniel Siromani , Pier Luigi Dragotti

Image restoration aims to reconstruct the latent clear images from their degraded versions. Despite the notable achievement, existing methods predominantly focus on handling specific degradation types and thus require specialized models,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xuanhua He , Lang Li , Yingying Wang , Hui Zheng , Ke Cao , Keyu Yan , Rui Li , Chengjun Xie , Jie Zhang , Man Zhou

Lidar sensors are frequently used in environment perception for autonomous vehicles and mobile robotics to complement camera, radar, and ultrasonic sensors. Adverse weather conditions are significantly impacting the performance of…

Computer Vision and Pattern Recognition · Computer Science 2020-02-13 Robin Heinzler , Florian Piewak , Philipp Schindler , Wilhelm Stork

We propose residual denoising diffusion models (RDDM), a novel dual diffusion process that decouples the traditional single denoising diffusion process into residual diffusion and noise diffusion. This dual diffusion framework expands the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jiawei Liu , Qiang Wang , Huijie Fan , Yinong Wang , Yandong Tang , Liangqiong Qu

Comparing images captured by disparate sensors is a common challenge in remote sensing. This requires image translation -- converting imagery from one sensor domain to another while preserving the original content. Denoising Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 João Gabriel Vinholi , Marco Chini , Anis Amziane , Renato Machado , Danilo Silva , Patrick Matgen