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Rendering diffuse global illumination in real-time is often approximated by pre-computing and storing irradiance in a 3D grid of probes. As long as most of the scene remains static, probes approximate irradiance for all surfaces immersed in…

Visual acoustic matching (VAM) is pivotal for enhancing the immersive experience, and the task of dereverberation is effective in improving audio intelligibility. Existing methods treat each task independently, overlooking the inherent…

Sound · Computer Science 2024-07-16 Jian Ma , Wenguan Wang , Yi Yang , Feng Zheng

Unsupervised learning with functional data is an emerging paradigm of machine learning research with applications to computer vision, climate modeling and physical systems. A natural way of modeling functional data is by learning operators…

Machine Learning · Computer Science 2023-02-22 Jacob H. Seidman , Georgios Kissas , George J. Pappas , Paris Perdikaris

Existing learning-based occupancy prediction methods rely on large-scale 3D annotations and generalize poorly across environments. We present FreeOcc, a training-free framework for open-vocabulary occupancy prediction from monocular or…

Robotics · Computer Science 2026-05-01 Zeyu Jiang , Changqing Zhou , Xingxing Zuo , Changhao Chen

Some of the most exciting experiences that Metaverse promises to offer, for instance, live interactions with virtual characters in virtual environments, require real-time photo-realistic rendering. 3D reconstruction approaches to rendering,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Jiakai Zhang , Liao Wang , Xinhang Liu , Fuqiang Zhao , Minzhang Li , Haizhao Dai , Boyuan Zhang , Wei Yang , Lan Xu , Jingyi Yu

We present a 3D-aware one-shot head reenactment method based on a fully volumetric neural disentanglement framework for source appearance and driver expressions. Our method is real-time and produces high-fidelity and view-consistent output,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Phong Tran , Egor Zakharov , Long-Nhat Ho , Anh Tuan Tran , Liwen Hu , Hao Li

Incremental scene reconstruction is essential to the navigation in robotics. Most of the conventional methods typically make use of either TSDF (truncated signed distance functions) volume or neural networks to implicitly represent the…

Robotics · Computer Science 2024-04-30 Shaofan Liu , Junbo Chen , Jianke Zhu

Recently, a complex variational autoencoder (VAE)-based single-channel speech enhancement system based on the DCCRN architecture has been proposed. In this system, a noise suppression VAE (NSVAE) learns to extract clean speech…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Jiatong Li , Simon Doclo

The efficient fusion of depth maps is a key part of most state-of-the-art 3D reconstruction methods. Besides requiring high accuracy, these depth fusion methods need to be scalable and real-time capable. To this end, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Silvan Weder , Johannes L. Schönberger , Marc Pollefeys , Martin R. Oswald

Neural networks have shown great potential in compressing volume data for visualization. However, due to the high cost of training and inference, such volumetric neural representations have thus far only been applied to offline data…

Graphics · Computer Science 2023-07-03 Qi Wu , David Bauer , Michael J. Doyle , Kwan-Liu Ma

Deep learning is ubiquitous, but its lack of transparency limits its impact on several potential application areas. We demonstrate a virtual reality tool for automating the process of assigning data inputs to different categories. A dataset…

Human-Computer Interaction · Computer Science 2023-05-25 Hannes Kath , Bengt Lüers , Thiago S. Gouvêa , Daniel Sonntag

In this work, we present a method for a probabilistic fusion of external depth and onboard proximity data to form a volumetric 3-D map of a robot's environment. We extend the Octomap framework to update a representation of the area around…

Robotics · Computer Science 2021-10-25 Matthew Strong , Caleb Escobedo , Alessandro Roncone

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

Video deblurring models exploit consecutive frames to remove blurs from camera shakes and object motions. In order to utilize neighboring sharp patches, typical methods rely mainly on homography or optical flows to spatially align…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Dongxu Li , Chenchen Xu , Kaihao Zhang , Xin Yu , Yiran Zhong , Wenqi Ren , Hanna Suominen , Hongdong Li

This paper introduces the Descriptive Variational Autoencoder (DVAE), an unsupervised and end-to-end trainable neural network for predicting vehicle trajectories that provides partial interpretability. The novel approach is based on the…

Machine Learning · Computer Science 2021-06-25 Marion Neumeier , Andreas Tollkühn , Thomas Berberich , Michael Botsch

This paper describes sound event localization and detection (SELD) for spatial audio recordings captured by firstorder ambisonics (FOA) microphones. In this task, one may train a deep neural network (DNN) using FOA data annotated with the…

Sound · Computer Science 2024-10-31 Yoto Fujita , Yoshiaki Bando , Keisuke Imoto , Masaki Onishi , Kazuyoshi Yoshii

In this work, we propose a deep beamforming framework for speech enhancement in dynamic acoustic environments. The framework learns time-varying beamformer weights from noisy multichannel signals via a deep neural network, guided by a…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-18 Ilai Zaidel , Sharon Gannot

We introduce a novel physical layer scheme for single user Multiple-Input Multiple-Output (MIMO) communications based on unsupervised deep learning using an autoencoder. This method extends prior work on the joint optimization of physical…

Information Theory · Computer Science 2017-07-26 Timothy J. O'Shea , Tugba Erpek , T. Charles Clancy

We introduce a new method for speeding up the inference of deep neural networks. It is somewhat inspired by the reduced-order modeling techniques for dynamical systems.The cornerstone of the proposed method is the maximum volume algorithm.…

Machine Learning · Computer Science 2020-11-26 Julia Gusak , Talgat Daulbaev , Evgeny Ponomarev , Andrzej Cichocki , Ivan Oseledets

Augmented reality devices have the potential to enhance human perception and enable other assistive functionalities in complex conversational environments. Effectively capturing the audio-visual context necessary for understanding these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Hao Jiang , Calvin Murdock , Vamsi Krishna Ithapu