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Camouflaged object detection (COD) aims to identify the objects that conceal themselves in natural scenes. Accurate COD suffers from a number of challenges associated with low boundary contrast and the large variation of object appearances,…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Geng Chen , Si-Jie Liu , Yu-Jia Sun , Ge-Peng Ji , Ya-Feng Wu , Tao Zhou

Accurate classification of weather conditions in images is essential for enhancing the performance of object detection and classification models under varying weather conditions. This paper presents a comprehensive study on classifying…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Eden Ship , Eitan Spivak , Shubham Agarwal , Raz Birman , Ofer Hadar

A critical limitation of current methods based on Neural Radiance Fields (NeRF) is that they are unable to quantify the uncertainty associated with the learned appearance and geometry of the scene. This information is paramount in real…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Jianxiong Shen , Antonio Agudo , Francesc Moreno-Noguer , Adria Ruiz

With the rapid development of multi-cloud environments, it is increasingly important to ensure the security and reliability of intelligent monitoring systems. In this paper, we propose an anomaly detection and early warning mechanism for…

机器学习 · 计算机科学 2025-06-10 Yihong Jin , Ze Yang , Juntian Liu , Xinhe Xu

Crowd flow segmentation is an important step in many video surveillance tasks. In this work, we propose an algorithm for segmenting flows in H.264 compressed videos in a completely unsupervised manner. Our algorithm works on motion vectors…

计算机视觉与模式识别 · 计算机科学 2015-06-22 Srinivas S. S. Kruthiventi , R. Venkatesh Babu

In most modern object detection pipelines, the detection proposals are processed independently given the feature map. Therefore, they overlook the underlying relationships between objects and the surrounding background, which could have…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Botao Ren , Botian Xu , Xue Yang , Yifan Pu , Jingyi Wang , Zhidong Deng

This paper presents a novel method for real-time nighttime cloud detection, tracking, and prediction using all-sky cameras, aimed at enhancing the efficiency of ground-based robotic telescopes. Ground-based telescopes are vulnerable to…

天体物理仪器与方法 · 物理学 2025-07-30 Sebastian Buntin , Chris M. Copperwheat , Helen E. Jermak

Cloud segmentation from intensity images is a pivotal task in atmospheric science and computer vision, aiding weather forecasting and climate analysis. Ground-based sky/cloud segmentation extracts clouds from images for further feature…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Yijie Li , Hewei Wang , Jiayi Zhang , Jinjiang You , Jinfeng Xu , Puzhen Wu , Yunzhong Xiao , Soumyabrata Dev

The Conditional Random Field as a Recurrent Neural Network layer is a recently proposed algorithm meant to be placed on top of an existing Fully-Convolutional Neural Network to improve the quality of semantic segmentation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Miguel Monteiro , Mário A. T. Figueiredo , Arlindo L. Oliveira

The knowledge of type of precipitating cloud is crucial for radar based quantitative estimates of precipitation. We propose a novel model called CloudSense which uses machine learning to accurately identify the type of precipitating clouds…

大气与海洋物理 · 物理学 2024-05-13 Mehzooz Nizar , Jha K. Ambuj , Manmeet Singh , Vaisakh S. B , G. Pandithurai

Conditional Random Field (CRF) based neural models are among the most performant methods for solving sequence labeling problems. Despite its great success, CRF has the shortcoming of occasionally generating illegal sequences of tags, e.g.…

机器学习 · 计算机科学 2021-03-22 Tianwen Wei , Jianwei Qi , Shenghuan He , Songtao Sun

We present a filtering-based method for semantic mapping to simultaneously detect objects and localize their 6 degree-of-freedom pose. For our method, called Contextual Temporal Mapping (or CT-Map), we represent the semantic map as a belief…

机器人学 · 计算机科学 2018-10-30 Zhen Zeng , Yunwen Zhou , Odest Chadwicke Jenkins , Karthik Desingh

Classical methods in robot motion planning, such as sampling-based and optimization-based methods, often struggle with scalability towards higher-dimensional state spaces and complex environments. Diffusion models, known for their…

机器人学 · 计算机科学 2026-03-20 Edward Sandra , Lander Vanroye , Dries Dirckx , Ruben Cartuyvels , Jan Swevers , Wilm Decré

Robust foreground object segmentation via background modelling is a difficult problem in cluttered environments, where obtaining a clear view of the background to model is almost impossible. In this paper, we propose a method capable of…

计算机视觉与模式识别 · 计算机科学 2014-06-20 Vikas Reddy , Conrad Sanderson , Andres Sanin , Brian C. Lovell

We present a framework for cloud characterization that leverages modern unsupervised deep learning technologies. While previous neural network-based cloud classification models have used supervised learning methods, unsupervised learning…

Despite advances in object detection, aerial imagery remains a challenging domain, as models often fail to generalize across variations in spatial resolution, scene composition, and semantic label coverage. Differences in geographic…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Pourya Shamsolmoali , Masoumeh Zareapoor , Michael Felsberg , Nick Pears , Yue Lu

This paper presents a multilevel hierarchical framework for the classification of weather conditions and hazard prediction. In recent years, the importance of data has grown significantly, with various types like text, numbers, images,…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Harish Neelam

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

We propose a result-level category-specific fusion architecture called ClassWise-CRF. This architecture employs a two-stage process: first, it selects expert networks that perform well in specific categories from a pool of candidate…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Qinfeng Zhu , Yunxi Jiang , Lei Fan

Estimating physical properties of galaxies from wide-field surveys remains a central challenge in astrophysics. While spectroscopy provides precise measurements, it is observationally expensive, and photometry discards morphological…

天体物理仪器与方法 · 物理学 2025-12-05 Mikaeel Yunus , John F. Wu , Benne W. Holwerda