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Ambisonics encoding of microphone array signals can enable various spatial audio applications, such as virtual reality or telepresence, but it is typically designed for uniformly-spaced spherical microphone arrays. This paper proposes a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-12 Mikko Heikkinen , Archontis Politis , Tuomas Virtanen

Surgical guide plate is an important tool for the dental implant surgery. However, the design process heavily relies on the dentist to manually simulate the implant angle and depth. When deep neural networks have been applied to assist the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Xinquan Yang , Xuguang Li , Xiaoling Luo , Leilei Zeng , Yudi Zhang , Linlin Shen , Yongqiang Deng

Sound event localization and detection (SELD) is a combined task of identifying the sound event and its direction. Deep neural networks (DNNs) are utilized to associate them with the sound signals observed by a microphone array. Although…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-18 Kento Nagatomo , Masahiro Yasuda , Kohei Yatabe , Shoichiro Saito , Yasuhiro Oikawa

As one of the major sources in speech variability, accents have posed a grand challenge to the robustness of speech recognition systems. In this paper, our goal is to build a unified end-to-end speech recognition system that generalizes…

Computation and Language · Computer Science 2019-11-28 Yi-Chen Chen , Zhaojun Yang , Ching-Feng Yeh , Mahaveer Jain , Michael L. Seltzer

Recent research has made significant progress in designing fusion modules for audio-visual speech separation. However, they predominantly focus on multi-modal fusion at a single temporal scale of auditory and visual features without…

Sound · Computer Science 2024-02-05 Kai Li , Runxuan Yang , Fuchun Sun , Xiaolin Hu

Power Delay Profile (PDP) plays a crucial role in wireless communications, providing information on multipath propagation and signal strength variations over time. Accurate detection of peaks within PDP is essential to identify dominant…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Ondrej Zeleny , Radek Zavorka , Ales Prokes , Tomas Fryza , Jaroslaw Wojtun , Jan M. Kelner , Cezary Ziolkowski , Aniruddha Chandra

In this paper, we address a multichannel audio source separation task and propose a new efficient method called independent deeply learned matrix analysis (IDLMA). IDLMA estimates the demixing matrix in a blind manner and updates the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-28 Shinichi Mogami , Hayato Sumino , Daichi Kitamura , Norihiro Takamune , Shinnosuke Takamichi , Hiroshi Saruwatari , Nobutaka Ono

This paper proposes a straightforward 2-D method to spatially calibrate the visual field of a camera with the auditory field of an array microphone by generating and overlaying an acoustic image over an optical image. Using a low-cost…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-13 Francois Grondin , Hao Tang , James Glass

Neural network based speech dereverberation has achieved promising results in recent studies. Nevertheless, many are focused on recovery of only the direct path sound and early reflections, which could be beneficial to speech perception,…

Sound · Computer Science 2021-10-19 Ziteng Wang , Yueyue Na , Biao Tian , Qiang Fu

Polyphonic sound event detection and direction-of-arrival estimation require different input features from audio signals. While sound event detection mainly relies on time-frequency patterns, direction-of-arrival estimation relies on…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-17 Thi Ngoc Tho Nguyen , Douglas L. Jones , Woon-Seng Gan

Knowledge distillation is widely adopted in semantic segmentation to reduce the computation cost.The previous knowledge distillation methods for semantic segmentation focus on pixel-wise feature alignment and intra-class feature variation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Zhengbo Zhang , Chunluan Zhou , Zhigang Tu

Many approaches can derive information about a single speaker's identity from the speech by learning to recognize consistent characteristics of acoustic parameters. However, it is challenging to determine identity information when there are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Hyewon Han , Soo-Whan Chung , Hong-Goo Kang

Infrared small target detection is crucial for remote sensing applications like disaster warning and maritime surveillance. However, due to the lack of distinctive texture and morphological features, infrared small targets are highly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Jiayi Zuo , Songwei Pei , Qian Li

In the reconstruction process of sound waves in a 3D stratified waveguide, a key technique is to effectively reduce the huge computational demand. In this work, we propose an efficient and simple multilevel reconstruction method to help…

Numerical Analysis · Mathematics 2016-02-17 Keji Liu , Yongzhi Xu , Jun Zou

Semantic segmentation has achieved remarkable results with high computational cost and a large number of parameters. However, real-world applications require efficient inference speed on embedded devices. Most previous works address the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Xinneng Yang , Yan Wu , Junqiao Zhao , Feilin Liu

Deep neural networks suffer from performance decay when there is domain shift between the labeled source domain and unlabeled target domain, which motivates the research on domain adaptation (DA). Conventional DA methods usually assume that…

Machine Learning · Computer Science 2020-02-10 Sicheng Zhao , Guangzhi Wang , Shanghang Zhang , Yang Gu , Yaxian Li , Zhichao Song , Pengfei Xu , Runbo Hu , Hua Chai , Kurt Keutzer

This paper presents a novel neural vocoder named APNet which reconstructs speech waveforms from acoustic features by predicting amplitude and phase spectra directly. The APNet vocoder is composed of an amplitude spectrum predictor (ASP) and…

Sound · Computer Science 2023-05-16 Yang Ai , Zhen-Hua Ling

Sound source localization aims to seek the direction of arrival (DOA) of all sound sources from the observed multi-channel audio. For the practical problem of unknown number of sources, existing localization algorithms attempt to predict a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-27 Yanjie Fu , Meng Ge , Haoran Yin , Xinyuan Qian , Longbiao Wang , Gaoyan Zhang , Jianwu Dang

An iris presentation attack detection (IPAD) is essential for securing personal identity is widely used iris recognition systems. However, the existing IPAD algorithms do not generalize well to unseen and cross-domain scenarios because of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Gaurav Jaswal , Aman Verma , Sumantra Dutta Roy , Raghavendra Ramachandra

In this paper, we propose a stacked convolutional and recurrent neural network (CRNN) with a 3D convolutional neural network (CNN) in the first layer for the multichannel sound event detection (SED) task. The 3D CNN enables the network to…

Sound · Computer Science 2018-01-30 Sharath Adavanne , Archontis Politis , Tuomas Virtanen
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