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pro vyhledávání: '"Hendriks, Richard C."'
This article focuses on estimating relative transfer functions (RTFs) for beamforming applications. While traditional methods assume that spectra are uncorrelated, this assumption is often violated in practical scenarios due to natural phenomena such
Externí odkaz:
http://arxiv.org/abs/2407.14152
This paper investigates the positioning of the pilot symbols, as well as the power distribution between the pilot and the communication symbols in the OTFS modulation scheme. We analyze the pilot placements that minimize the mean squared error (MSE)
Externí odkaz:
http://arxiv.org/abs/2403.19379
Autor:
Moghaddasi, Hanie, Hendriks, Richard C., Hunyadi, Borbala, Knops, Paul, van Schie, Mathijs S, de Groot, Natasja M. S., van der Veen, Alle-Jan
The severity of atrial fibrillation (AF) can be assessed from intra-operative epicardial measurements (high-resolution electrograms), using metrics such as conduction block (CB) and continuous conduction delay and block (cCDCB). These features captur
Externí odkaz:
http://arxiv.org/abs/2307.02806
Having knowledge on the room acoustic properties, e.g., the location of acoustic reflectors, allows to better reproduce the sound field as intended. Current state-of-the-art methods for room boundary detection using microphone measurements typically
Externí odkaz:
http://arxiv.org/abs/2206.03885
The processing of low-frequency interaural time differences is found to be problematic among hearing-impaired people. The current generation of beamformers does not consider this deficiency. In an attempt to tackle this issue, we propose to replace t
Externí odkaz:
http://arxiv.org/abs/2106.09574
Atrial fibrillation is a clinical arrhythmia with multifactorial mechanisms still unresolved. Time-frequency analysis of epicardial electrograms has been investigated to study atrial fibrillation. However, deeper understanding of atrial fibrillation
Externí odkaz:
http://arxiv.org/abs/1910.06141
Autor:
van Staveren, Lianne N., Hendriks, Richard C., Taverne, Yannick J.H.J., de Groot, Natasja M.S.
Publikováno v:
In JACC: Clinical Electrophysiology July 2023 9(7) Part 2:1082-1096
One of the biggest challenges in multi-microphone applications is the estimation of the parameters of the signal model such as the power spectral densities (PSDs) of the sources, the early (relative) acoustic transfer functions of the sources with re
Externí odkaz:
http://arxiv.org/abs/1810.05677
Publikováno v:
IEEE/ACM Transactions on Audio, Speech and Language Processing, 27(2), 321-331, 2019
The recently proposed relaxed binaural beamforming (RBB) optimization problem provides a flexible trade-off between noise suppression and binaural-cue preservation of the sound sources in the acoustic scene. It minimizes the output noise power, under
Externí odkaz:
http://arxiv.org/abs/1805.01692