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One of the challenges in computational acoustics is the identification of models that can simulate and predict the physical behavior of a system generating an acoustic signal. Whenever such models are used for commercial applications an…

In this contribution, a semi-automatic segmentation algorithm for (medical) image analysis is presented. More precise, the approach belongs to the category of interactive contouring algorithms, which provide real-time feedback of the…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Jan Egger

Segmentation of the heart in cardiac cine MR is clinically used to quantify cardiac function. We propose a fully automatic method for segmentation and disease classification using cardiac cine MR images. A convolutional neural network (CNN)…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Jelmer M. Wolterink , Tim Leiner , Max A. Viergever , Ivana Isgum

In a hybrid speech model, both voiced and unvoiced components can coexist in a segment. Often, the voiced speech is regarded as the deterministic component, and the unvoiced speech and additive noise are the stochastic components.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-05 Alfredo Esquivel Jaramillo , Jesper Kjær Nielsen , Mads Græsbøll Christensen

This paper presents a fully automatic and end-to-end optimised airway segmentation method for thoracic computed tomography, based on the U-Net architecture. We use a simple and low-memory 3D U-Net as backbone, which allows the method to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-04 A. Garcia-Uceda , R. Selvan , Z. Saghir , H. A. W. M. Tiddens , M. de Bruijne

Every year, millions of brain MRI scans are acquired in hospitals, which is a figure considerably larger than the size of any research dataset. Therefore, the ability to analyse such scans could transform neuroimaging research. Yet, their…

Image and Video Processing · Electrical Eng. & Systems 2023-03-29 Benjamin Billot , Colin Magdamo , You Cheng , Steven E. Arnold , Sudeshna Das , Juan. E. Iglesias

Machine learning algorithms, when trained on audio recordings from a limited set of devices, may not generalize well to samples recorded using other devices with different frequency responses. In this work, a relatively straightforward…

Sound · Computer Science 2021-05-26 Michał Kośmider

We have performed cough detection based on measurements from an accelerometer attached to the patient's bed. This form of monitoring is less intrusive than body-attached accelerometer sensors, and sidesteps privacy concerns encountered when…

Machine Learning · Computer Science 2022-05-12 Madhurananda Pahar , Igor Miranda , Andreas Diacon , Thomas Niesler

In this research project, we put forward an advanced method for airway segmentation based on the existent convolutional neural network (CNN) and graph neural network (GNN). The method is originated from the vessel segmentation, but we…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Yihua Yang

Segmentation has been a major task in neuroimaging. A large number of automated methods have been developed for segmenting healthy and diseased brain tissues. In recent years, deep learning techniques have attracted a lot of attention as a…

Image and Video Processing · Electrical Eng. & Systems 2019-07-05 Jimit Doshi , Guray Erus , Mohamad Habes , Christos Davatzikos

Quality of data plays an important role in most deep learning tasks. In the speech community, transcription of speech recording is indispensable. Since the transcription is usually generated artificially, automatically finding errors in…

Computation and Language · Computer Science 2019-07-23 Xiaofei Wang , Jinyi Yang , Ruizhi Li , Samik Sadhu , Hynek Hermansky

We address the problem of acoustic source separation in a deep learning framework we call "deep clustering." Rather than directly estimating signals or masking functions, we train a deep network to produce spectrogram embeddings that are…

Neural and Evolutionary Computing · Computer Science 2015-08-19 John R. Hershey , Zhuo Chen , Jonathan Le Roux , Shinji Watanabe

Automated methods for Cobb angle estimation are of high demand for scoliosis assessment. Existing methods typically calculate the Cobb angle from landmark estimation, or simply combine the low-level task (e.g., landmark detection and spine…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Yi Lin , Luyan Liu , Kai Ma , Yefeng Zheng

Automatic cell image segmentation methods in connectomics produce merge and split errors, which require correction through proofreading. Previous research has identified the visual search for these errors as the bottleneck in interactive…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Daniel Haehn , Verena Kaynig , James Tompkin , Jeff W. Lichtman , Hanspeter Pfister

We present an experimental investigation into the effectiveness of transfer learning and bottleneck feature extraction in detecting COVID-19 from audio recordings of cough, breath and speech. This type of screening is non-contact, does not…

Sound · Computer Science 2022-05-12 Madhurananda Pahar , Marisa Klopper , Robin Warren , Thomas Niesler

We recently published a deep learning study on the potential of encoder-decoder networks for the segmentation of the 2D CAMUS ultrasound dataset. We propose in this abstract an extension of the evaluation criteria to anatomical assessment,…

Respiratory sound contains crucial information for the early diagnosis of fatal lung diseases. Since the COVID-19 pandemic, there has been a growing interest in contact-free medical care based on electronic stethoscopes. To this end,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Sangmin Bae , June-Woo Kim , Won-Yang Cho , Hyerim Baek , Soyoun Son , Byungjo Lee , Changwan Ha , Kyongpil Tae , Sungnyun Kim , Se-Young Yun

Respiratory diseases remain a leading cause of mortality worldwide, highlighting the need for faster and more accurate diagnostic tools. This work presents a novel approach leveraging digital stethoscope technology for automatic respiratory…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Constantino Álvarez Casado , Manuel Lage Cañellas , Matteo Pedone , Xiaoting Wu , Le Nguyen , Miguel Bordallo López

Objective: Automated segmentation tools are useful for calculating kidney volumes rapidly and accurately. Furthermore, these tools have the power to facilitate large-scale image-based artificial intelligence projects by generating input…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Lucas Aronson , Ruben Ngnitewe Massaa , Syed Jamal Safdar Gardezi , Andrew L. Wentland

Cough monitoring can enable new individual pulmonary health applications. Subject cough event detection is the foundation for continuous cough monitoring. Recently, the rapid growth in smart hearables has opened new opportunities for such…

Sound · Computer Science 2023-03-21 Xiyuxing Zhang , Yuntao Wang , Jingru Zhang , Yaqing Yang , Shwetak Patel , Yuanchun Shi