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The proliferation of Internet of Things (IoT) devices equipped with acoustic sensors necessitates robust acoustic scene classification (ASC) capabilities, even in noisy and data-limited environments. Traditional machine learning methods…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-20 Minh K. Quan , Mayuri Wijayasundara , Sujeeva Setunge , Pubudu N. Pathirana

Likelihood analysis is typically limited to normally distributed noise due to the difficulty of determining the probability density function of complex, high-dimensional, non-Gaussian, and anisotropic noise. This is a major limitation for…

Instrumentation and Methods for Astrophysics · Physics 2023-06-14 Ronan Legin , Alexandre Adam , Yashar Hezaveh , Laurence Perreault Levasseur

Semantic analyses of object point clouds are largely driven by releasing of benchmarking datasets, including synthetic ones whose instances are sampled from object CAD models. However, learning from synthetic data may not generalize to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Yongwei Chen , Zihao Wang , Longkun Zou , Ke Chen , Kui Jia

Within academia and industry, there has been a need for expansive simulation frameworks that include model-based simulation of sensors, mobile vehicles, and the environment around them. To this end, the modular, real-time, and open-source…

Attributing authorship to paintings is a historically complex task, and one of its main challenges is the limited availability of real artworks for training computational models. This study investigates whether synthetic images, generated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Clarissa Loures , Caio Hosken , Luan Oliveira , Gianlucca Zuin , Adriano Veloso

We propose SADGE, a quantitative similarity metric that predicts the performance of synthetic image datasets for common computer vision tasks without downstream model training. Estimating whether a synthetic dataset will lead to a model…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Patryk Bartkowiak , Bartosz Kotrys , Dominik Michels , Soren Pirk , Wojtek Palubicki

A soundscape is defined by the acoustic environment a person perceives at a location. In this work, we propose a framework for mapping soundscapes across the Earth. Since soundscapes involve sound distributions that span varying spatial…

Simulating sonar devices requires modeling complex underwater acoustics, simultaneously rendering time-efficient data. Existing methods focus on basic implementation of one sonar type, where most of sound properties are disregarded. In this…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Rômulo Cerqueira , Tiago Trocoli , Jan Albiez , Luciano Oliveira

Autonomous checkout systems rely on visual and sensory inputs to carry out fine-grained scene understanding in retail environments. Retail environments present unique challenges compared to typical indoor scenes owing to the vast number of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Cristina Mata , Nick Locascio , Mohammed Azeem Sheikh , Kenny Kihara , Dan Fischetti

Mapping the seafloor with underwater imaging cameras is of significant importance for various applications including marine engineering, geology, geomorphology, archaeology and biology. For shallow waters, among the underwater imaging…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Panagiotis Agrafiotis , Konstantinos Karantzalos , Andreas Georgopoulos

This article focuses on feature-based underwater localization and navigation for autonomous underwater vehicles (AUVs) using 2D imaging sonar measurements. The sparsity of underwater acoustic features and the loss of elevation angle in…

Robotics · Computer Science 2022-03-08 Yang Xu , Ronghao Zheng , Senlin Zhang , Meiqin Liu

Lidar-based SLAM systems are highly sensitive to adverse conditions such as occlusion, noise, and field-of-view (FoV) degradation, yet existing robustness evaluation methods either lack physical grounding or do not capture sensor-specific…

Robotics · Computer Science 2025-12-10 Doumegna Mawuto Koudjo Felix , Xianjia Yu , Zhuo Zou , Tomi Westerlund

The focus of this contribution is on camera simulation as it comes into play in simulating autonomous robots for their virtual prototyping. We propose a camera model validation methodology based on the performance of a perception algorithm…

Robotics · Computer Science 2022-08-02 Asher Elmquist , Radu Serban , Dan Negrut

This survey provides a comprehensive overview of the emerging field of world models grounded in the foundation of acoustic physical information. It examines the theoretical underpinnings, essential methodological frameworks, and recent…

Sound · Computer Science 2025-06-18 Xiaoliang Chen , Le Chang , Xin Yu , Yunhe Huang , Xianling Tu

Event frame hybrid sensors integrate an Active Pixel Sensor (APS) and an Event Vision Sensor (EVS) within a single chip, combining the high dynamic range and low latency of the EVS with the rich spatial intensity information from the APS.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yunfan Lu , Nico Messikommer , Xiaogang Xu , Liming Chen , Yuhan Chen , Nikola Zubic , Davide Scaramuzza , Hui Xiong

Robotic perception is becoming a key technology for navigation aids, especially helping individuals with visual impairments through spatial sonification. This paper introduces a mapping representation that accurately captures scene geometry…

Robotics · Computer Science 2025-04-18 Lan Wu , Craig Jin , Monisha Mushtary Uttsha , Teresa Vidal-Calleja

This paper introduces a novel pipeline for generating large-scale, highly realistic, and automatically labeled datasets for computer vision tasks in robotic environments. Our approach addresses the critical challenges of the domain gap…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Patryk Niżeniec , Marcin Iwanowski

Noise pollution investigation takes advantage of two common methods of diagnosis: measurement using a Sound Level Meter and acoustical imaging. The former enables a detailed analysis of the surrounding noise spectrum whereas the latter is…

Instrumentation and Detectors · Physics 2016-03-28 Charles Vanwynsberghe , Régis Marchiano , François Ollivier , Pascal Challande , Hélène Moingeon , Jacques Marchal

Agile Earth Observation Satellites (AEOSs) constellations offer unprecedented flexibility for monitoring the Earth's surface, but their scheduling remains challenging under large-scale scenarios, dynamic environments, and stringent…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Luting Wang , Yinghao Xiang , Hongliang Huang , Dongjun Li , Chen Gao , Si Liu

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK
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