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Underwater mine detection with deep learning suffers from limitations due to the scarcity of real-world data. This scarcity leads to overfitting, where models perform well on training data but poorly on unseen data. This paper proposes a…

Machine Learning · Computer Science 2025-03-17 Aayush Agrawal , Aniruddh Sikdar , Rajini Makam , Suresh Sundaram , Suresh Kumar Besai , Mahesh Gopi

Global ocean modeling is vital for climate science but struggles to balance computational efficiency with accuracy. Traditional numerical solvers are accurate but computationally expensive, while pure deep learning approaches, though fast,…

Atmospheric and Oceanic Physics · Physics 2026-05-28 Ruiqi Shu , Xiaohui Zhong , Qiusheng Huang , Ruijian Gou , Tianrun Gao , Hao Li , Xiaomeng Huang

Sound is an information-rich medium that captures dynamic physical events. This work presents STReSSD, a framework that uses sound to bridge the simulation-to-reality gap for stochastic dynamics, demonstrated for the canonical case of a…

Robotics · Computer Science 2020-11-09 Carolyn Matl , Yashraj Narang , Dieter Fox , Ruzena Bajcsy , Fabio Ramos

It has been advocated that medical imaging systems and reconstruction algorithms should be assessed and optimized by use of objective measures of image quality that quantify the performance of an observer at specific diagnostic tasks. One…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Weimin Zhou , Sayantan Bhadra , Frank J. Brooks , Hua Li , Mark A. Anastasio

A noise-based non-parametric technique for detecting nebulous objects, for example, irregular or clumpy galaxies, and their structure in noise is introduced. "Noise-based" and "non-parametric" imply that this technique imposes negligible…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Mohammad Akhlaghi , Takashi Ichikawa

We report an algorithm, based on quantum optics formulation, where a coherent state is used as the elementary quantum resource for the image representation. We provide an architecture with constituent optical elements in linear order with…

Quantum Physics · Physics 2024-10-01 Vivek Mehta , Sonali Jana , Utpal Roy

Detecting subtle deviations in noisy acoustic environments is central to anomalous sound detection (ASD). A common training-free ASD pipeline temporally pools frame-level representations into a band-preserving feature vector and scores…

Sound · Computer Science 2026-03-17 Phurich Saengthong , Takahiro Shinozaki

Recently, realistic data augmentation using neural networks especially generative neural networks (GAN) has achieved outstanding results. The communities main research focus is visual image processing. However, automotive cars and robots…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Maximilian Pöpperl , Raghavendra Gulagundi , Senthil Yogamani , Stefan Milz

Synthetic aperture sonar (SAS) measures a scene from multiple views in order to increase the resolution of reconstructed imagery. Image reconstruction methods for SAS coherently combine measurements to focus acoustic energy onto the scene.…

Image and Video Processing · Electrical Eng. & Systems 2023-06-19 Albert W. Reed , Juhyeon Kim , Thomas Blanford , Adithya Pediredla , Daniel C. Brown , Suren Jayasuriya

Imaging sonar produces clear images in underwater environments, independent of water turbidity and lighting conditions. The next generation 2D forward looking sonars are compact in size and able to generate high-resolution images which…

Robotics · Computer Science 2024-02-27 Yusheng Wang , Chujie Wu , Yonghoon Ji , Hiroshi Tsuchiya , Hajime Asama , Atsushi Yamashita

We present a new dataset called Real Acoustic Fields (RAF) that captures real acoustic room data from multiple modalities. The dataset includes high-quality and densely captured room impulse response data paired with multi-view images, and…

Robust matching of side-scan sonar imagery remains a fundamental challenge in seafloor mapping due to view-dependent backscatter, shadows, and geometric distortion. This paper proposes a novel matching framework that combines physical…

Instrumentation and Detectors · Physics 2025-11-24 Can Lei , Hayat Rajani , Nuno Gracias , Rafael Garcia , Huigang Wang

We propose a novel data-driven approach for high-resolution bathymetric reconstruction from sidescan. Sidescan sonar (SSS) intensities as a function of range do contain some information about the slope of the seabed. However, that…

Robotics · Computer Science 2022-06-17 Yiping Xie , Nils Bore , John Folkesson

We show the theoretical and experimental combination of acoustic and optical methods for the in situ quantitative evaluation of the density, the viscosity and the thickness of soft layers adsorbed on chemically tailored metal surfaces. For…

Soft Condensed Matter · Physics 2007-05-23 L. Francis , J. -M. Friedt , C. Zhou , P. Bertrand

Understanding human instructions and accomplishing Vision-Language Navigation tasks in unknown environments is essential for robots. However, existing modular approaches heavily rely on the quality of training data and often exhibit poor…

Robotics · Computer Science 2025-09-30 Yao Wang , Zhirui Sun , Wenzheng Chi , Baozhi Jia , Wenjun Xu , Jiankun Wang

Recent advancements in foundational models, such as large language models and world models, have greatly enhanced the capabilities of robotics, enabling robots to autonomously perform complex tasks. However, acquiring large-scale,…

Synthetic simulation data and real-world human data provide scalable alternatives to circumvent the prohibitive costs of robot data collection. However, these sources suffer from the sim-to-real visual gap and the human-to-robot embodiment…

Robotics · Computer Science 2026-01-28 Kaipeng Fang , Weiqing Liang , Yuyang Li , Ji Zhang , Pengpeng Zeng , Lianli Gao , Jingkuan Song , Heng Tao Shen

Segment Anything Models (SAM) have achieved remarkable success in object segmentation tasks across diverse datasets. However, these models are predominantly trained on large-scale semantic segmentation datasets, which introduce a bias…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Inbal Cohen , Boaz Meivar , Peihan Tu , Shai Avidan , Gal Oren

Localization and mapping are core perceptual capabilities for underwater robots. Stereo cameras provide a low-cost means of directly estimating metric depth to support these tasks. However, despite recent advances in stereo depth estimation…

Most tools for astrophysical research was centered on visual display. Even after some studies shows that the use of sound could help the data analysis, and on the other hand generate more accessibility. This fact motivates the creation of a…

Instrumentation and Methods for Astrophysics · Physics 2024-02-02 Johanna Casado , Wanda Diaz-Merced , Beatriz García