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Perception algorithms that provide estimates of their uncertainty are crucial to the development of autonomous robots that can operate in challenging and uncontrolled environments. Such perception algorithms provide the means for having…

机器人学 · 计算机科学 2023-06-30 Sadegh Rabiee , Joydeep Biswas

This paper introduces a novel methodology leveraging differentiable programming to design efficient, constrained adaptive non-uniform Linear Differential Microphone Arrays (LDMAs) with reduced implementation costs. Utilizing an automatic…

声音 · 计算机科学 2024-12-09 Siminfar Samakoush Galougah , Ramani Duraiswami

In this paper we discuss the motivation, design, and analysis of ambisonic decoders for systems where the vertical order is less than the horizontal order, known as mixed-order Ambisonic systems. This can be due to the use of microphone…

音频与语音处理 · 电气工程与系统科学 2022-10-04 Aaron Heller , Eric Benjamin , Fernando Lopez-Lezcano

The state of the art in music source separation employs neural networks trained in a supervised fashion on multi-track databases to estimate the sources from a given mixture. With only few datasets available, often extensive data…

机器学习 · 计算机科学 2018-04-09 Daniel Stoller , Sebastian Ewert , Simon Dixon

Group zero-attracting LMS and its reweighted form have been proposed for addressing system identification problems with structural group sparsity in the parameters to estimate. Both algorithms however suffer from a trade-off between…

信号处理 · 电气工程与系统科学 2018-04-02 Danqi Jin , Jie Chen , Cedric Richard , Jingdong Chen

In this article we analyze the state-of-the-art in multilateration - the family of localization methods enabled by the range difference observations. These methods are computationally efficient, signal-independent, and flexible with regards…

声音 · 计算机科学 2020-07-29 Srđan Kitić , Clément Gaultier , Grégory Pallone

In modern applications multi-sensor arrays are subject to an ever-present demand to accommodate signals with higher bandwidths. Standard methods for broadband beamforming, namely digital beamforming and true-time delay, are difficult and…

信号处理 · 电气工程与系统科学 2022-06-16 Coleman DeLude , Santhosh Karnik , Mark Davenport , Justin Romberg

Homography estimation is often an indispensable step in many computer vision tasks. The existing approaches, however, are not robust to illumination and/or larger viewpoint changes. In this paper, we propose bidirectional implicit…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Daniel Koguciuk , Elahe Arani , Bahram Zonooz

This work gives a blind beamforming strategy for intelligent reflecting surface (IRS), aiming to boost the received signal-to-noise ratio (SNR) by coordinating phase shifts across reflective elements in the absence of channel information.…

信息论 · 计算机科学 2022-11-04 Shuyi Ren , Kaiming Shen , Yaowen Zhang , Xin Li , Xin Chen , Zhi-Quan Luo

In ultrasound (US) imaging, various types of adaptive beamforming techniques have been investigated to improve the resolution and contrast-to-noise ratio of the delay and sum (DAS) beamformers. Unfortunately, the performance of these…

图像与视频处理 · 电气工程与系统科学 2020-02-25 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

We propose a novel unsupervised singing voice detection method which use single-channel Blind Audio Source Separation (BASS) algorithm as a preliminary step. To reach this goal, we investigate three promising BASS approaches which operate…

声音 · 计算机科学 2018-05-04 Dominique Fourer , Geoffroy Peeters

The lack of proper class discrimination among the Hyperspectral (HS) data points poses a potential challenge in HS classification. To address this issue, this paper proposes an optimal geometry-aware transformation for enhancing the…

机器学习 · 计算机科学 2018-07-10 Ramanarayan Mohanty , S L Happy , Aurobinda Routray

Sparse sensor placement, with various design objectives, has successfully been employed in diverse application areas, particularly for enhanced parameter estimation and receiver performance. The sparse array design criteria are generally…

信号处理 · 电气工程与系统科学 2021-01-19 Syed Ali Hamza

Far-field speech processing is an important and challenging problem. In this paper, we propose \textit{deep ad-hoc beamforming}, a deep-learning-based multichannel speech enhancement framework based on ad-hoc microphone arrays, to address…

声音 · 计算机科学 2021-02-10 Xiao-Lei Zhang

Microphone arrays are usually assumed to have rigid geometries: the microphones may move with respect to the sound field but remain fixed relative to each other. However, many useful arrays, such as those in wearable devices, have sensors…

音频与语音处理 · 电气工程与系统科学 2019-12-12 Ryan M. Corey , Andrew C. Singer

Within the context of intelligent manufacturing, industrial robots have a pivotal function. Nonetheless, extended operational periods cause a decline in their absolute positioning accuracy, preventing them from meeting high precision. To…

机器人学 · 计算机科学 2024-08-23 Tinghui Chen , Shuai Li

Since space-domain information can be utilized, microphone array beamforming is often used to enhance the quality of the speech by suppressing directional disturbance. However, with the increasing number of microphone, the complexity would…

声音 · 计算机科学 2020-05-20 Lu Ma , Xin Zhao , Pei Zhao , Tengrong Su

We propose new compressive parameter estimation algorithms that make use of polar interpolation to improve the estimator precision. Our work extends previous approaches involving polar interpolation for compressive parameter estimation in…

信息论 · 计算机科学 2016-11-17 Karsten Fyhn , Marco F. Duarte , Søren Holdt Jensen

Due to the rapid development of autonomous driving, the Internet of Things and streaming services, modern communication systems have to cope with varying channel conditions and a steadily rising number of users and devices. This, and the…

信号处理 · 电气工程与系统科学 2022-09-16 Vincent Lauinger , Manuel Hoffmann , Jonas Ney , Norbert Wehn , Laurent Schmalen

Robots-operating autonomous assembly applications in an unstructured environment require precise methods to locate the building components on site. However, the current available object detection systems are not well-optimised for…

机器人学 · 计算机科学 2019-08-23 Mohamed Dawod , Sean Hanna