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A primary challenge in developing synthetic spatial hearing systems, particularly underwater, is accurately modeling sound scattering. Biological organisms achieve 3D spatial hearing by exploiting sound scattering off their bodies to…

声音 · 计算机科学 2026-03-03 Siminfar Samakoush Galougah , Pranav Pulijala , Ramani Duraiswami

Efficient modeling of the inter-individual variations of head-related transfer functions (HRTFs) is a key matterto the individualization of binaural synthesis. In previous work, we augmented a dataset of 119 pairs of earshapes and…

声音 · 计算机科学 2020-10-12 Corentin Guezenoc , Renaud Seguier

Multi-channel speech enhancement extracts speech using multiple microphones that capture spatial cues. Effectively utilizing directional information is key for multi-channel enhancement. Deep learning shows great potential on multi-channel…

声音 · 计算机科学 2023-09-21 Jiahui Pan , Pengjie Shen , Hui Zhang , Xueliang Zhang

Recent works have shown that exploiting multi-scale representations deeply learned via convolutional neural networks (CNN) is of tremendous importance for accurate contour detection. This paper presents a novel approach for predicting…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Dan Xu , Wanli Ouyang , Xavier Alameda-Pineda , Elisa Ricci , Xiaogang Wang , Nicu Sebe

Convolutional neural networks (CNNs) have been the consensus for medical image segmentation tasks. However, they suffer from the limitation in modeling long-range dependencies and spatial correlations due to the nature of convolution…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Moein Heidari , Amirhossein Kazerouni , Milad Soltany , Reza Azad , Ehsan Khodapanah Aghdam , Julien Cohen-Adad , Dorit Merhof

Time-Frequency Distributions (TFDs) support the heart sound characterisation and classification in early cardiac screening. However, despite the frequent use of TFDs in signal analysis, no study comprehensively compared their performances…

信号处理 · 电气工程与系统科学 2022-08-08 Xinqi Bao , Yujia Xu , Hak-Keung Lam , Mohamed Trabelsi , Ines Chihi , Lilia Sidhom , Ernest N. Kamavuako

In this work, we propose a two-dimensional Head-Related Transfer Function (HRTF)-based robust beamformer design for robot audition, which allows for explicit control of the beamformer response for the entire three-dimensional sound field…

声音 · 计算机科学 2017-03-10 Hendrik Barfuss , Michael Buerger , Jasper Podschus , Walter Kellermann

Hyperspectral images are crucial for many research works. Spectral super-resolution (SSR) is a method used to obtain high spatial resolution (HR) hyperspectral images from HR multispectral images. Traditional SSR methods include…

图像与视频处理 · 电气工程与系统科学 2020-12-09 Jiang He , Jie Li , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

Accurate and reliable identification of the relative transfer functions (RTFs) between microphones with respect to a desired source is an essential component in the design of microphone array beamformers, specifically when applying the…

音频与语音处理 · 电气工程与系统科学 2024-12-19 Daniel Levi , Amit Sofer , Sharon Gannot

The Hausdorff Distance (HD) is widely used in evaluating medical image segmentation methods. However, existing segmentation methods do not attempt to reduce HD directly. In this paper, we present novel loss functions for training…

图像与视频处理 · 电气工程与系统科学 2019-04-24 Davood Karimi , Septimiu E. Salcudean

In today's world of health care, brain tumor detection has become common. However, the manual brain tumor classification approach is time-consuming. So Deep Convolutional Neural Network (DCNN) is used by many researchers in the medical…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Dhananjay Joshi , Bhupesh Kumar Singh , Kapil Kumar Nagwanshi , Nitin S. Choubey

In this work, a recently proposed Head-Related Transfer Function (HRTF)-based Robust Least-Squares Frequency-Invariant (RLSFI) beamformer design is analyzed with respect to its robustness against localization errors, which lead to a…

声音 · 计算机科学 2016-03-30 Hendrik Barfuss , Walter Kellermann

Semantic segmentation is an established while rapidly evolving field in medical imaging. In this paper we focus on the segmentation of brain Magnetic Resonance Images (MRI) into cerebral structures using convolutional neural networks (CNN).…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Pierre-Antoine Ganaye , Michaël Sdika , Hugues Benoit-Cattin

Head-related transfer functions (HRTFs) are essential for virtual acoustic realities, as they contain all cues for localizing sound sources in three-dimensional space. Acoustic measurements are one way to obtain high-quality HRTFs. To…

音频与语音处理 · 电气工程与系统科学 2023-10-25 Johannes M. Arend , Christoph Pörschmann , Stefan Weinzierl , Fabian Brinkmann

In this paper we propose a deep learning approach for segmenting sub-cortical structures of the human brain in Magnetic Resonance (MR) image data. We draw inspiration from a state-of-the-art Fully-Convolutional Neural Network (F-CNN)…

计算机视觉与模式识别 · 计算机科学 2016-02-08 Mahsa Shakeri , Stavros Tsogkas , Enzo Ferrante , Sarah Lippe , Samuel Kadoury , Nikos Paragios , Iasonas Kokkinos

Motivated by the fact that characteristics of different sound classes are highly diverse in different temporal scales and hierarchical levels, a novel deep convolutional neural network (CNN) architecture is proposed for the environmental…

声音 · 计算机科学 2018-06-15 Boqing Zhu , Kele Xu , Dezhi Wang , Lilun Zhang , Bo Li , Yuxing Peng

In many multi-microphone algorithms, an estimate of the relative transfer functions (RTFs) of the desired speaker is required. Recently, a computationally efficient RTF vector estimation method was proposed for acoustic sensor networks,…

音频与语音处理 · 电气工程与系统科学 2023-04-07 Wiebke Middelberg , Simon Doclo

The widespread availability of electronic health records (EHRs) promises to usher in the era of personalized medicine. However, the problem of extracting useful clinical representations from longitudinal EHR data remains challenging. In…

机器学习 · 计算机科学 2017-01-27 Zhengping Che , Yu Cheng , Zhaonan Sun , Yan Liu

This paper presents a method that can accurately detect heads especially small heads under the indoor scene. To achieve this, we propose a novel method, Feature Refine Net (FRN), and a cascaded multi-scale architecture. FRN exploits the…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Dezhi Peng , Zikai Sun , Zirong Chen , Zirui Cai , Lele Xie , Lianwen Jin

Normal Pressure Hydrocephalus (NPH) is one of the few reversible forms of dementia, Due to their low cost and versatility, Computed Tomography (CT) scans have long been used as an aid to help diagnose intracerebral anomalies such as NPH.…

图像与视频处理 · 电气工程与系统科学 2019-07-24 Angela Zhang , Po-Yu Kao , Ronald Sahyouni , Ashutosh Shelat , Jefferson Chen , B. S. Manjunath