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We propose a non-intrusive Deep Learning-based Reduced Order Model (DL-ROM) capable of capturing the complex dynamics of mechanical systems showing inertia and geometric nonlinearities. In the first phase, a limited number of high fidelity…

Numerical Analysis · Mathematics 2021-11-25 Stefania Fresca , Giorgio Gobat , Patrick Fedeli , Attilio Frangi , Andrea Manzoni

Natural and efficient interaction remains a critical challenge for virtual reality and augmented reality (VR/AR) systems. Vision-based gesture recognition suffers from high computational cost, sensitivity to lighting conditions, and privacy…

Human-Computer Interaction · Computer Science 2025-11-11 Xijie Zhang , Fengliang He , Hong-Ning Dai

Rings like gold, thuds like wood! The sound we hear in a scene is shaped not only by the spatial layout of the environment but also by the materials of the objects and surfaces within it. For instance, a room with wooden walls will produce…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Mahnoor Fatima Saad , Sagnik Majumder , Kristen Grauman , Ziad Al-Halah

We present the early-stage design and implementation of a multimodal, real-time communication analysis system intended as a foundational interaction layer for adaptive VR training. The system integrates five parallel processing streams: (1)…

Human-Computer Interaction · Computer Science 2026-04-14 Birgit Nierula , Karam Tomotaki-Dawoud , Daniel Johannes Meyer , Iryna Ignatieva , Mina Mottahedin , Thomas Koch , Sebastian Bosse

Multimodal affective computing aims to predict humans' sentiment, emotion, intention, and opinion using language, acoustic, and visual modalities. However, current models often learn spurious correlations that harm generalization under…

Machine Learning · Computer Science 2026-04-21 Sijie Mai , Shiqin Han

Videos typically record the streaming and continuous visual data as discrete consecutive frames. Since the storage cost is expensive for videos of high fidelity, most of them are stored in a relatively low resolution and frame rate. Recent…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Zeyuan Chen , Yinbo Chen , Jingwen Liu , Xingqian Xu , Vidit Goel , Zhangyang Wang , Humphrey Shi , Xiaolong Wang

This paper presents a Multi-Modal Environment-Aware Network (MEAN-RIR), which uses an encoder-decoder framework to predict room impulse response (RIR) based on multi-level environmental information from audio, visual, and textual sources.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-08 Jiajian Chen , Jiakang Chen , Hang Chen , Qing Wang , Yu Gao , Jun Du

We investigate the impact of more realistic room simulation for training far-field keyword spotting systems without fine-tuning on in-domain data. To this end, we study the impact of incorporating the following factors in the room impulse…

Sound · Computer Science 2020-11-19 Eric Bezzam , Robin Scheibler , Cyril Cadoux , Thibault Gisselbrecht

Immersion in virtual and augmented reality solutions is reliant on plausible spatial audio. However, plausibly representing a space for immersive audio often requires many individual acoustic measurements of source-microphone pairs with…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Ben Heritage , Fiona Ryder , Michael McLoughlin , Karolina Prawda

Realistic sound simulation plays a critical role in many applications. A key element in sound simulation is the room impulse response (RIR), which characterizes how sound propagates from a source to a listener within a given space. Recent…

Sound · Computer Science 2025-09-19 Chen Si , Qianyi Wu , Chaitanya Amballa , Romit Roy Choudhury

Spatial analysis of room acoustics is an ongoing research topic. Microphone arrays have been employed for spatial analyses with an important objective being the estimation of the direction-of-arrival (DOA) of direct sound and early room…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-09 Hai Morgenstern , Boaz Rafaely

Room impulse responses (RIRs) are essential for many acoustic signal processing tasks, yet measuring them densely across space is often impractical. In this work, we propose RIR-Former, a grid-free, one-step feed-forward model for RIR…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-12 Shaoheng Xu , Chunyi Sun , Jihui Zhang , Prasanga N. Samarasinghe , Thushara D. Abhayapala

The training of modern speech processing systems often requires a large amount of simulated room impulse response (RIR) data in order to allow the systems to generalize well in real-world, reverberant environments. However, simulating…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-09 Yi Luo , Jianwei Yu

Despite impressive advancements in Visual-Language Models (VLMs) for multi-modal tasks, their reliance on RGB inputs limits precise spatial understanding. Existing methods for integrating spatial cues, such as point clouds or depth, either…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Yang Liu , Ming Ma , Xiaomin Yu , Pengxiang Ding , Han Zhao , Mingyang Sun , Siteng Huang , Donglin Wang

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

The ability to accurately estimate room impulse responses (RIRs) is integral to many applications of spatial audio processing. Regrettably, estimating the RIR using ambient signals, such as speech or music, remains a challenging problem due…

Signal Processing · Electrical Eng. & Systems 2024-03-07 David Sundström , Anton Björkman , Andreas Jakobsson , Filip Elvander

State-of-the-art deep-learning-based voice activity detectors (VADs) are often trained with anechoic data. However, real acoustic environments are generally reverberant, which causes the performance to significantly deteriorate. To mitigate…

Sound · Computer Science 2021-06-28 Amir Ivry , Israel Cohen , Baruch Berdugo

Audio adversarial examples are audio files that have been manipulated to fool an automatic speech recognition (ASR) system, while still sounding benign to a human listener. Most methods to generate such samples are based on a two-step…

Sound · Computer Science 2023-10-06 Armin Ettenhofer , Jan-Philipp Schulze , Karla Pizzi

We present a neural-network-based fast diffuse room impulse response generator (FAST-RIR) for generating room impulse responses (RIRs) for a given acoustic environment. Our FAST-RIR takes rectangular room dimensions, listener and speaker…

Sound · Computer Science 2022-02-08 Anton Ratnarajah , Shi-Xiong Zhang , Meng Yu , Zhenyu Tang , Dinesh Manocha , Dong Yu

The electromagnetic inverse problem has long been a research hotspot. This study aims to reverse radar view angles in synthetic aperture radar (SAR) images given a target model. Nonetheless, the scarcity of SAR data, combined with the…

Machine Learning · Computer Science 2024-01-03 Yanni Wang , Hecheng Jia , Shilei Fu , Huiping Lin , Feng Xu