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We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

The generation of room impulse responses (RIRs) using deep neural networks has attracted growing research interest due to its applications in virtual and augmented reality, audio postproduction, and related fields. Most existing approaches…

Sound · Computer Science 2025-07-17 Silvia Arellano , Chunghsin Yeh , Gautam Bhattacharya , Daniel Arteaga

In real-world acoustic scenarios, there often are multiple sound sources present in a room. These sources are situated in various locations and produce sounds that reach the listener from multiple directions. The presence of multiple…

Sound · Computer Science 2023-05-26 Kyungyun Lee , Jeonghun Seo , Keunwoo Choi , Sangmoon Lee , Ben Sangbae Chon

Real-time rendering with global illumination is crucial to afford the user realistic experience in virtual environments. We present a learning-based estimator to predict diffuse indirect illumination in screen space, which then is combined…

Graphics · Computer Science 2025-11-06 Meng Gai , Guoping Wang , Sheng Li

The dominant majority of 3D models that appear in gaming, VR/AR, and those we use to train geometric deep learning algorithms are incomplete, since they are modeled as surface meshes and missing their interior structures. We present a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Akshay Gadi Patil , Yiming Qian , Shan Yang , Brian Jackson , Eric Bennett , Hao Zhang

Room geometry inference algorithms rely on the localization of acoustic reflectors to identify boundary surfaces of an enclosure. Rooms with highly absorptive walls or walls at large distances from the measurement setup pose challenges for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-12 H. Nazim Bicer , Cagdas Tuna , Andreas Walther , Emanuël A. P. Habets

A method is presented for estimating and reconstructing the sound field within a room using physics-informed neural networks. By incorporating a limited set of experimental room impulse responses as training data, this approach combines…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-03 Xenofon Karakonstantis , Diego Caviedes-Nozal , Antoine Richard , Efren Fernandez-Grande

Sound propagation is the process by which sound energy travels through a medium, such as air, to the surrounding environment as sound waves. The room impulse response (RIR) describes this process and is influenced by the positions of the…

Sound · Computer Science 2024-09-25 Anton Jeran Ratnarajah

Accurate estimation of Room Impulse Response (RIR), which captures an environment's acoustic properties, is important for speech processing and AR/VR applications. We propose AV-RIR, a novel multi-modal multi-task learning approach to…

Sound · Computer Science 2024-04-25 Anton Ratnarajah , Sreyan Ghosh , Sonal Kumar , Purva Chiniya , Dinesh Manocha

Room impulse responses (RIRs) are fundamental to audio data augmentation, acoustic signal processing, and immersive audio rendering. While geometric simulators such as the image source method (ISM) can efficiently generate early…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Zeyu Xu , Andreas Brendel , Albert G. Prinn , Emanuël A. P. Habets

Diffusion magnetic resonance imaging (dMRI) enables non-invasive investigation of tissue microstructure. The Standard Model (SM) of white matter aims to disentangle dMRI signal contributions from intra- and extra-axonal water compartments.…

Image and Video Processing · Electrical Eng. & Systems 2026-04-15 Tom Hendriks , Gerrit Arends , Edwin Versteeg , Anna Vilanova , Maxime Chamberland , Chantal M. W. Tax

Deep learning approaches have emerged that aim to transform an audio signal so that it sounds as if it was recorded in the same room as a reference recording, with applications both in audio post-production and augmented reality. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-16 Christian J. Steinmetz , Vamsi Krishna Ithapu , Paul Calamia

Automatic speech recognition (ASR) on multi-talker recordings is challenging. Current methods using 3D spatial data from multi-channel audio and visual cues focus mainly on direct waves from the target speaker, overlooking reflection wave…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yiwen Shao , Shi-Xiong Zhang , Dong Yu

Measuring room impulse responses (RIRs) at multiple spatial points is a time-consuming task, while simulations require detailed knowledge of the room's acoustic environment. In prior work, we proposed a method for estimating the early part…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-16 Kathleen MacWilliam , Thomas Dietzen , Toon van Waterschoot

While many systems have been developed to train Graph Neural Networks (GNNs), efficient model inference and evaluation remain to be addressed. For instance, using the widely adopted node-wise approach, model evaluation can account for up to…

Machine Learning · Computer Science 2022-11-29 Peiqi Yin , Xiao Yan , Jinjing Zhou , Qiang Fu , Zhenkun Cai , James Cheng , Bo Tang , Minjie Wang

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Shen Fan , Przemyslaw Musialski

We propose a mesh-based neural network (MESH2IR) to generate acoustic impulse responses (IRs) for indoor 3D scenes represented using a mesh. The IRs are used to create a high-quality sound experience in interactive applications and audio…

Sound · Computer Science 2022-07-13 Anton Ratnarajah , Zhenyu Tang , Rohith Chandrashekar Aralikatti , Dinesh Manocha

The room impulse response (RIR) characterizes sound propagation in a room from a loudspeaker to a microphone under the linear time-invariant assumption. Estimating RIRs from a limited number of measurement points is crucial for sound…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-19 Ken Kurata , Gen Sato , Izumi Tsunokuni , Yusuke Ikeda

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

We propose a novel approach for blind room impulse response (RIR) estimation systems in the context of a downstream application scenario, far-field automatic speech recognition (ASR). We first draw the connection between improved RIR…