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Accurate Speed-of-Sound (SoS) reconstruction from acoustic waveforms is a cornerstone of ultrasound computed tomography (USCT), enabling quantitative velocity mapping that reveals subtle anatomical details and pathological variations often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yujia Wu , Shuoqi Chen , Shiru Wang , Yucheng Tang , Petr Bruza , Geoffrey P. Luke

Robotic manipulation with deformable objects represents a data-intensive regime in embodied learning, where shape, contact, and topology co-evolve in ways that far exceed the variability of rigids. Although simulation promises relief from…

Ambisonics i.e., a full-sphere surround sound, is quintessential with 360-degree visual content to provide a realistic virtual reality (VR) experience. While 360-degree visual content capture gained a tremendous boost recently, the…

Sound · Computer Science 2019-08-20 Aakanksha Rana , Cagri Ozcinar , Aljoscha Smolic

We investigate the cosmological information in higher-order statistics of the cosmic microwave background (CMB) lensing convergence field for a near-term experiment with noise properties similar to the Simons Observatory (SO). Using a fully…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-16 Shu-Fan Chen , J. Colin Hill , Zoltán Haiman

Simulation systems have become an essential component in the development and validation of autonomous driving technologies. The prevailing state-of-the-art approach for simulation is to use game engines or high-fidelity computer graphics…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Wei Li , Chengwei Pan , Rong Zhang , Jiaping Ren , Yuexin Ma , Jin Fang , Feilong Yan , Qichuan Geng , Xinyu Huang , Huajun Gong , Weiwei Xu , Guoping Wang , Dinesh Manocha , Ruigang Yang

Scan matching is a widely used technique in state estimation. Point-cloud alignment, one of the most popular methods for scan matching, is a weighted least-squares problem in which the weights are determined from the inverse covariance of…

Robotics · Computer Science 2025-04-29 Thomas Hitchcox , James Richard Forbes

Place recognition using SOund Navigation and Ranging (SONAR) images is an important task for simultaneous localization and mapping(SLAM) in underwater environments. This paper proposes a robust and efficient imaging SONAR based place…

Robotics · Computer Science 2024-03-12 Hogyun Kim , Gilhwan Kang , Seokhwan Jeong , Seungjun Ma , Younggun Cho

Acoustic sonar image analysis plays a critical role in object detection and classification, with applications in both civilian and defense domains. Despite the availability of real and synthetic datasets, existing AI models that achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Kamal Basha S , Athira Nambiar

We present the 'simage' software suite for the simulation of artificial extragalactic images, based empirically around real observations of the Hubble Ultra Deep Field (UDF). The simulations reproduce galaxies with realistic and complex…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Benjamin M. Dobke , David E. Johnston , Richard Massey , F. William High , Matthew Ferry , Jason Rhodes , R. Ali Vanderveld

Dynamic objects in the environment, such as people and other agents, lead to challenges for existing simultaneous localization and mapping (SLAM) approaches. To deal with dynamic environments, computer vision researchers usually apply some…

Robotics · Computer Science 2021-08-04 Tianwei Zhang , Huayan Zhang , Xiaofei Li , Junfeng Chen , Tin Lun Lam , Sethu Vijayakumar

Combining synthetic aperture sonar (SAS) imagery with optical images for underwater object classification has the potential to overcome challenges such as water clarity, the stability of the optical image analysis platform, and strong…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Avi Abu , Roee Diamant

Accurate real-time buoyancy modeling is essential for high-fidelity Autonomous Underwater Vehicle (AUV) simulations, yet NVIDIA Isaac Sim lacks a native buoyancy system, requiring external solutions for precise underwater physics. This…

Robotics · Computer Science 2025-09-05 Ad-Deen Mahbub , Md Ragib Shaharear

This paper introduces a new framework for supervised sound source localization referred to as virtually-supervised learning. An acoustic shoe-box room simulator is used to generate a large number of binaural single-source audio scenes.…

Sound · Computer Science 2017-03-21 Saurabh Kataria , Clément Gaultier , Antoine Deleforge

This paper presents the initial stages in the development of a deep learning classifier for generalised Resident Space Object (RSO) characterisation that combines high-fidelity simulated light curves with transfer learning to improve the…

Side-scan sonar (SSS) imagery is widely used for seafloor mapping and underwater remote sensing, yet the measured intensity is strongly influenced by seabed reflectivity, terrain elevation, and acoustic path loss. This entanglement makes…

Atmospheric and Oceanic Physics · Physics 2025-11-26 Can Lei , Hayat Rajani , Nuno Gracias , Rafael Garcia , Huigang Wang

Benthic habitat mapping is fundamental for understanding marine ecosystems, guiding conservation efforts, and supporting sustainable resource management. Yet, the scarcity of large, annotated datasets limits the development and benchmarking…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Hayat Rajani , Valerio Franchi , Borja Martinez-Clavel Valles , Raimon Ramos , Rafael Garcia , Nuno Gracias

Reconstructing objects from real world data and rendering them at novel views is critical to bringing realism, diversity and scale to simulation for robotics training and testing. In this work, we present NeuSim, a novel approach that…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Ze Yang , Sivabalan Manivasagam , Yun Chen , Jingkang Wang , Rui Hu , Raquel Urtasun

Spatial audio is fundamental to immersive virtual experiences, yet synthesizing high-fidelity binaural audio from sparse observations remains a significant challenge. Existing methods typically rely on implicit neural representations…

Sound · Computer Science 2026-04-13 Chunhao Bi , Houqiang Zhong , Zhixin Xu , Li Song , Zhengxue Cheng

High resolution underwater 3D scene reconstruction is crucial for various applications, including construction, infrastructure maintenance, monitoring, exploration, and scientific investigation. Prior work has leveraged the complementary…

Robotics · Computer Science 2025-08-19 Amy Phung , Richard Camilli

In mixed reality applications, a realistic acoustic experience in spatial environments is as crucial as the visual experience for achieving true immersion. Despite recent advances in neural approaches for Room Impulse Response (RIR)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Xiulong Liu , Anurag Kumar , Paul Calamia , Sebastia V. Amengual , Calvin Murdock , Ishwarya Ananthabhotla , Philip Robinson , Eli Shlizerman , Vamsi Krishna Ithapu , Ruohan Gao