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Ultrasound shear wave elastography (SWE) is a noninvasive way to measure stiffness of soft tissue for medical diagnosis. In SWE imaging, an acoustic radiation force induces tissue displacement, which creates shear waves (SWs) that travel…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Md. Jahin Alam , Md. Kamrul Hasan

Accurate segmentation of articulatory structures in real-time MRI (rtMRI) remains challenging, as existing methods rely primarily on visual cues and overlook complementary information from synchronized speech signals. We propose VocSegMRI,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Daiqi Liu , Johannes Enk , Maureen Stone , Fangxu Xing , Tomás Arias-Vergara , Jerry L. Prince , Jana Hutter , Jonghye Woo , Andreas Maier , Paula Andrea Pérez-Toro

Measuring the dynamics and mechanical properties of muscles and joints is important to understand the (patho)physiology of muscles. However, acquiring dynamic time-resolved MRI data is challenging. We have previously developed…

Open-vocabulary panoptic reconstruction is a challenging task for simultaneous scene reconstruction and understanding. Recently, methods have been proposed for 3D scene understanding based on Gaussian splatting. However, these methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yuxuan Xie , Xuan Yu , Changjian Jiang , Sitong Mao , Shunbo Zhou , Rui Fan , Rong Xiong , Yue Wang

Audio-visual speech recognition (AVSR) aims to transcribe human speech using both audio and video modalities. In practical environments with noise-corrupted audio, the role of video information becomes crucial. However, prior works have…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-15 Sungnyun Kim , Kangwook Jang , Sangmin Bae , Hoirin Kim , Se-Young Yun

Self-supervised learning (SSL)-based speech models are extensively used for full-stack speech processing. However, it has been observed that improving SSL-based speech representations using unlabeled speech for content-related tasks is…

Computation and Language · Computer Science 2024-06-14 Amit Meghanani , Thomas Hain

Low latency models are critical for real-time speech enhancement applications, such as hearing aids and hearables. However, the sub-millisecond latency space for resource-constrained hearables remains underexplored. We demonstrate speech…

Recently, Vision-Language Models (VLMs) have advanced segmentation techniques by shifting from the traditional segmentation of a closed-set of predefined object classes to open-vocabulary segmentation (OVS), allowing users to segment novel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Gonca Yilmaz , Songyou Peng , Marc Pollefeys , Francis Engelmann , Hermann Blum

Autonomous systems, such as self-driving cars, rely on reliable semantic environment perception for decision making. Despite great advances in video semantic segmentation, existing approaches ignore important inductive biases and lack…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Angel Villar-Corrales , Moritz Austermann , Sven Behnke

Tagged magnetic resonance imaging~(MRI) has been used for decades to observe and quantify the detailed motion of deforming tissue. However, this technique faces several challenges such as tag fading, large motion, long computation times,…

Image and Video Processing · Electrical Eng. & Systems 2023-05-02 Zhangxing Bian , Fangxu Xing , Jinglun Yu , Muhan Shao , Yihao Liu , Aaron Carass , Jiachen Zhuo , Jonghye Woo , Jerry L. Prince

We present a novel approach to variational volume reconstruction from sparse, noisy slice data using the Deep Ritz method. Motivated by biomedical imaging applications such as MRI-based slice-to-volume reconstruction (SVR), our approach…

Image and Video Processing · Electrical Eng. & Systems 2025-08-13 Conor Rowan , Sumedh Soman , John A. Evans

Recent advancements in open-vocabulary 3D scene understanding heavily rely on 3D Gaussian Splatting (3DGS) to register vision-language features into 3D space. However, we identify two critical limitations in these approaches: the spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Fusang Wang , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Fabien Moutarde

Robust voice activity detection (VAD) is a challenging task in low signal-to-noise (SNR) environments. Recent studies show that speech enhancement is helpful to VAD, but the performance improvement is limited. To address this issue, here we…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-14 Xu Tan , Xiao-Lei Zhang

We present a CNN architecture for speech enhancement from multichannel first-order Ambisonics mixtures. The data-dependent spatial filters, deduced from a mask-based approach, are used to help an automatic speech recognition engine to face…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-03 Amélie Bosca , Alexandre Guérin , Lauréline Perotin , Srđan Kitić

This paper proposes a novel framework to reconstruct the dynamic magnetic resonance images (DMRI) with motion compensation (MC). Due to the inherent motion effects during DMRI acquisition, reconstruction of DMRI using motion…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Ningning Zhao , Daniel O'Connor , Adrian Basarab , Dan Ruan , Peng Hu , Ke Sheng

We propose a dictionary-matching-free pipeline for multi-parametric quantitative MRI image computing. Our approach has two stages based on compressed sensing reconstruction and deep learned quantitative inference. The reconstruction phase…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Mohammad Golbabaee , Guido Buonincontri , Carolin Pirkl , Marion Menzel , Bjoern Menze , Mike Davies , Pedro Gomez

Understanding the relationship between vocal tract motion during speech and the resulting acoustic signal is crucial for aided clinical assessment and developing personalized treatment and rehabilitation strategies. Toward this goal, we…

Over the recent years, various deep learning-based methods were proposed for extracting a fixed-dimensional embedding vector from speech signals. Although the deep learning-based embedding extraction methods have shown good performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-08 Woo Hyun Kang , Jahangir Alam , Abderrahim Fathan

Speech-driven visual speech synthesis involves mapping features extracted from acoustic speech to the corresponding lip animation controls for a face model. This mapping can take many forms, but a powerful approach is to use deep neural…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-17 Ahmed Hussen Abdelaziz , Barry-John Theobald , Justin Binder , Gabriele Fanelli , Paul Dixon , Nicholas Apostoloff , Thibaut Weise , Sachin Kajareker

High-resolution slice-to-volume reconstruction (SVR) from multiple motion-corrupted low-resolution 2D slices constitutes a critical step in image-based diagnostics of moving subjects, such as fetal brain Magnetic Resonance Imaging (MRI).…