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Image dehazing is one of the important and popular topics in computer vision and machine learning. A reliable real-time dehazing method with reliable performance is highly desired for many applications such as autonomous driving, security…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Ruoteng Li , Xiaoyi Zhang , Shaodi You , Yu Li

Deep learning-based models for All-In-One Image Restoration (AIOR) have achieved significant advancements in recent years. However, their practical applicability is limited by poor generalization to samples outside the training…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Sudarshan Rajagopalan , Nithin Gopalakrishnan Nair , Jay N. Paranjape , Vishal M. Patel

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

Haze degrades content and obscures information of images, which can negatively impact vision-based decision-making in real-time systems. In this paper, we propose an efficient fully convolutional neural network (CNN) image dehazing method…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Peter Morales , Tzofi Klinghoffer , Seung Jae Lee

Estimating the 6D object pose from a single RGB image often involves noise and indeterminacy due to challenges such as occlusions and cluttered backgrounds. Meanwhile, diffusion models have shown appealing performance in generating…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Li Xu , Haoxuan Qu , Yujun Cai , Jun Liu

While deep learning-based methods for blind face restoration have achieved unprecedented success, they still suffer from two major limitations. First, most of them deteriorate when facing complex degradations out of their training data.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zongsheng Yue , Chen Change Loy

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

Advances in microscopy imaging enable researchers to visualize structures at the nanoscale level thereby unraveling intricate details of biological organization. However, challenges such as image noise, photobleaching of fluorophores, and…

Image and Video Processing · Electrical Eng. & Systems 2024-09-19 Pamela Osuna-Vargas , Maren H. Wehrheim , Lucas Zinz , Johanna Rahm , Ashwin Balakrishnan , Alexandra Kaminer , Mike Heilemann , Matthias Kaschube

LiDAR perception is severely limited by the distance-dependent sparsity of distant objects. While diffusion models can recover dense geometry, they suffer from prohibitive latency and physical hallucinations manifesting as ghost points. We…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zeping Zhang , Robert Laganière

Low Dynamic Range (LDR) to High Dynamic Range (HDR) image translation is a fundamental task in many computational vision problems. Numerous data-driven methods have been proposed to address this problem; however, they lack explicit modeling…

Graphics · Computer Science 2025-09-23 Hrishav Bakul Barua , Kalin Stefanov , Ganesh Krishnasamy , KokSheik Wong , Abhinav Dhall

Traditional reconstruction-based methods have struggled to achieve competitive performance in anomaly detection. In this paper, we introduce Denoising Diffusion Anomaly Detection (DDAD), a novel denoising process for image reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Arian Mousakhan , Thomas Brox , Jawad Tayyub

Existing dehazing methods deal with real-world haze images with difficulty, especially scenes with thick haze. One of the main reasons is the lack of real-world paired data and robust priors. To avoid the costly collection of paired hazy…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Bing Liu , Le Wang , Mingming Liu , Hao Liu , Rui Yao , Yong Zhou , Peng Liu , Tongqiang Xia

We develop a new physical model for the rain effect and show that the well-known atmosphere scattering model (ASM) for the haze effect naturally emerges as its homogeneous continuous limit. Via depth-aware fusion of multi-layer rain streaks…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Xiaohong Liu , Yongrui Ma , Zhihao Shi , Linhui Dai , Jun Chen

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

Painterly image harmonization aims to insert photographic objects into paintings and obtain artistically coherent composite images. Previous methods for this task mainly rely on inference optimization or generative adversarial network, but…

Computer Vision and Pattern Recognition · Computer Science 2023-08-07 Lingxiao Lu , Jiangtong Li , Junyan Cao , Li Niu , Liqing Zhang

Images acquired in hazy conditions have degradations induced in them. Dehazing such images is a vexed and ill-posed problem. Scores of prior-based and learning-based approaches have been proposed to mitigate the effect of haze and generate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Abdul Wasi , O. Jeba Shiney

Existing approaches towards single image dehazing including both model-based and learning-based heavily rely on the estimation of so-called transmission maps. Despite its conceptual simplicity, using transmission maps as an intermediate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Yixin Du , Xin Li

The practical applications of diffusion models have been limited by the misalignment between generated images and corresponding text prompts. Recent studies have introduced direct preference optimization (DPO) to enhance the alignment of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Zijing Hu , Fengda Zhang , Kun Kuang

We present PoseDiff, a conditional diffusion model that unifies robot state estimation and control within a single framework. At its core, PoseDiff maps raw visual observations into structured robot states-such as 3D keypoints or joint…

Robotics · Computer Science 2025-11-03 Haozhuo Zhang , Michele Caprio , Jing Shao , Qiang Zhang , Jian Tang , Shanghang Zhang , Wei Pan

Scene Text Image Super-Resolution (STISR) aims to enhance the resolution and legibility of text within low-resolution (LR) images, consequently elevating recognition accuracy in Scene Text Recognition (STR). Previous methods predominantly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Yuxuan Zhou , Liangcai Gao , Zhi Tang , Baole Wei