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The identification and removal of systematic errors in object detectors can be a prerequisite for their deployment in safety-critical applications like automated driving and robotics. Such systematic errors can for instance occur under very…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Valentyn Boreiko , Matthias Hein , Jan Hendrik Metzen

The information about pavement surface type is rarely available in road network databases of developing countries although it represents a cornerstone of the design of efficient mobility systems. This research develops an automatic…

应用统计 · 统计学 2026-04-14 Arianna Burzacchi , Matteo Landrò , Simone Vantini

This paper presents a method for robust optimization for online incremental Simultaneous Localization and Mapping (SLAM). Due to the NP-Hardness of data association in the presence of perceptual aliasing, tractable (approximate) approaches…

机器人学 · 计算机科学 2023-04-28 Daniel McGann , John G. Rogers , Michael Kaess

Many cities are expanding in areas with scarce rainfall and limited water retention capacity, and are also becoming elongated and sprawled, making it harder to deliver services. This study quantifies the impact of urban form on access to…

物理与社会 · 物理学 2025-08-19 Rafael Prieto-Curiel , Pavel Luengas-Sierra , Christian Borja-Vega

Optimal sensor placement (SP) usually minimizes an impact measure, such as the amount of contaminated water or the number of inhabitants affected before detection. The common choice is to minimize the minimum detection time (MDT) averaged…

信号处理 · 电气工程与系统科学 2021-03-09 Antonio Candelieri , Andrea Ponti , Francesco Archetti

We develop a mixture procedure for multi-sensor systems to monitor data streams for a change-point that causes a gradual degradation to a subset of the streams. Observations are assumed to be initially normal random variables with known…

机器学习 · 统计学 2016-02-19 Yang Cao , Yao Xie , Nagi Gebraeel

Despite substantial technological advancements, the comprehensive mapping of surface water, particularly smaller bodies (<1ha), continues to be a challenge due to a lack of robust, scalable methods. Standard methods require either training…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Hunsoo Song , Jinha Jung

In this paper, we introduce a novel mechanism that uses machine learning techniques to detect water leaks in pipes. The proposed simple and low-cost mechanism is designed that can be easily installed on building pipes with various sizes.…

声音 · 计算机科学 2025-01-22 Hossein Pourmehrani , Reshad Hosseini , Hadi Moradi

Water distribution networks are a key component of modern infrastructure for housing and industry. They transport and distribute water via widely branched networks from sources to consumers. In order to guarantee a working network at all…

机器学习 · 计算机科学 2022-04-05 Jonathan Jakob , André Artelt , Martina Hasenjäger , Barbara Hammer

Generic object detection algorithms have proven their excellent performance in recent years. However, object detection on underwater datasets is still less explored. In contrast to generic datasets, underwater images usually have color…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Wei-Hong Lin , Jia-Xing Zhong , Shan Liu , Thomas Li , Ge Li

Obstacle detection is one of the basic tasks of a robot movement in an unknown environment. The use of a LiDAR (Light Detection And Ranging) sensor allows one to obtain a point cloud in the vicinity of the sensor. After processing this…

机器人学 · 计算机科学 2024-04-12 Lukas Kratochvila

Gravel-river beds typically have an "armored" layer of coarse grains on the surface, which acts to protect finer particles underneath from erosion. River bed-load transport is a kind of dense granular flow, and such flows are known to…

地球物理 · 物理学 2017-11-15 Behrooz Ferdowsi , Carlos P. Ortiz , Morgane Houssais , Douglas J. Jerolmack

In the face of growing needs for water and energy, a fundamental understanding of the environmental impacts of human activities becomes critical for managing water and energy resources, remedying water pollution, and making regulatory…

信号处理 · 电气工程与系统科学 2019-08-30 Guanjie Zheng , Mengqi Liu , Tao Wen , Hongjian Wang , Huaxiu Yao , Susan L. Brantley , Zhenhui Li

Urban flooding triggered by intense rainfall is becoming increasingly frequent and widespread. While flood prediction and monitoring in high spatio-temporal resolution are desired, practical constraints in time, budget, and technology…

人工智能 · 计算机科学 2026-05-26 Zihang Ding , Amit Kumar , Imran Md. Azizul Islam , Mila Avellar Montezuma , Ruihang Zhang , Kun Zhang

Chemicals released in the air can be extremely dangerous for human beings and the environment. Hyperspectral images can be used to identify chemical plumes, however the task can be extremely challenging. Assuming we know a priori that some…

数值分析 · 数学 2016-04-27 Antonio Cicone , Jingfang Liu , Haomin Zhou

Road surface classification (RSC) is a key enabler for environment-aware predictive maintenance systems. However, existing RSC techniques often fail to generalize beyond narrow operational conditions due to limited sensing modalities and…

Radar odometry estimation has emerged as a critical technique in the field of autonomous navigation, providing robust and reliable motion estimation under various environmental conditions. Despite its potential, the complex nature of radar…

机器人学 · 计算机科学 2024-04-08 Matteo Frosi , Mirko Usuelli , Matteo Matteucci

Detecting the changes of buildings in urban environments is essential. Existing methods that use only nadir images suffer from severe problems of ambiguous features and occlusions between buildings and other regions. Furthermore, buildings…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Qing Zhu , Shengzhi Huang , Han Hu , Haifeng Li , Min Chen , Ruofei Zhong

Recent work has focused on generating synthetic imagery to increase the size and variability of training data for learning visual tasks in urban scenes. This includes increasing the occurrence of occlusions or varying environmental and…

计算机视觉与模式识别 · 计算机科学 2018-10-03 Alexandra Carlson , Katherine A. Skinner , Ram Vasudevan , Matthew Johnson-Roberson

While designing sustainable and resilient urban built environment is increasingly promoted around the world, significant data gaps have made research on pressing sustainability issues challenging to carry out. Pavements are known to have…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Maryam Hosseini , Fabio Miranda , Jianzhe Lin , Claudio Silva