Πλοήγηση ανά Θέμα "Signal processing"
Αποτελέσματα 1-20 από 35
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Audio-visual speech recognition incorporating facial depth information captured by the Kinect
(2012)We investigate the use of facial depth data of a speaking subject, captured by the Kinect device, as an additional speechinformative modality to incorporate to a traditional audiovisual automatic speech recognizer. We ... -
Bayesian optimal experimental design using asymptotic approximations
(2017)Bayesian optimal experimental design (OED) tools for model parameter estimation and response predictions in structural dynamics include sampling (Huan and Marzouk, J. Comput. Phys., 232:288–317, 2013) and asymptotic ... -
Calibration and signal interpretation for single and multiple hot-wire/hot-film probes
(1996)The use of single and multiple hot-wire/hot-film probes for subsonic flows is discussed with emphasis on the digital methods and procedures. An account is given of the major factors which influence the reliability of ... -
Convex approximation algorithms for back-pressure power control of wireless multi-hop networks
(2011)Cross-layer design and operation of wireless networks has attracted significant interest in the last decade, yet some basic problems in the area remain unsolved. In this paper, we consider the joint routing and power control ... -
Cough Sound Classification Based on Similarity Metrics
(2021)Cough and respiratory sound processing can assist in the early diagnosis of infections such as Covid-19. Even asymptomatic Covid-19 patients can be diagnosed early enough if appropriate speech modeling and signal-processing ... -
DeepTSS: multi-branch convolutional neural network for transcription start site identification from CAGE data
(2022)Background: The widespread usage of Cap Analysis of Gene Expression (CAGE) has led to numerous breakthroughs in understanding the transcription mechanisms. Recent evidence in the literature, however, suggests that CAGE ... -
Design and implementation of a hybrid model based on two-layer decomposition method coupled with extreme learning machines to support real-time environmental monitoring of water quality parameters
(2019)Accurate prediction of water quality parameters plays a crucial and decisive role in environmental monitoring, ecological systems sustainability, human health, aquaculture and improved agricultural practices. In this study ... -
Design considerations for application of SiPMs in nuclear imaging
(2010)Silicon Photomultiplier (SiPM) detectors are attractive candidates for the replacement of Photomultipliers in nuclear imaging. They are compact, provide high gain with low Vbias and have fast response. In addition, SiPMs ... -
Design of a Multi-purpose Surface-EMG Readout System for Draft Control Applications
(2019)This paper presents current work on the design of a multi-purpose surface-electromyography (EMG) readout system that can be used in various draft controlled applications of low-accuracy (e.g. rehabilitation environments ... -
Development of a SIPM based gamma-ray imager using a Gd3Al 2Ga3O12:Ce (GAGG:Ce) scintillator array
(2013)In this study we present the performance evaluation of a 6×6 Gd3Al2Ga3O12:Ce (GAGG:Ce) pixellated scintillator with 2×2×5mm 3 crystal size elements, coupled to a silicon photomultiplier array (ArraySL-4). Evaluation was ... -
Distributed back-pressure power control for wireless multi-hop networks
(2012)A key problem in wireless networking is how to choose a link activation schedule and associated powers in concert with routing decisions to optimize throughput. Back-pressure control policies are optimal in this context, ... -
The effect of resonance on transient microbubble response; Response; experimental and theoretical observations
(2012)Nonlinear microbubble oscillations can be exploited by signal processing to provide contrast enhancement in ultrasound imaging. High-speed optical investigations have established that microbubbles resonate in-vitro, but ... -
Experiments in acoustic source localization using sparse arrays in adverse indoors environments
(2014)In this paper we experiment with 2-D source localization in smart homes under adverse conditions using sparse distributed microphone arrays. We propose some improvements to deal with problems due to high reverberation, ... -
The fast Data Projection Method for stable subspace tracking
(2005)In this article we consider the Data Projection Method (DPM), which constitutes a simple and reliable means for adaptively estimating and tracking subspaces. Specifically we propose a fast and numerically robust implementation ... -
Finger detection and hand posture recognition based on depth information
(2014)In this work, we propose a novel framework for automatic finger detection and hand posture recognition, based mainly on depth information. Our method locates apex-shaped structures in a hand contour and deals efficiently ... -
A fully convolutional sequence learning approach for cued speech recognition from videos
(2021)Cued Speech constitutes a sign-based communication variant for the speech and hearing impaired, which involves visual information from lip movements combined with hand positional and gestural cues. In this paper, we consider ... -
Heuristics for tile parallelism in HEVC
(2017)HEVC has emerged as the new video coding standard promising increased compression ratios compared to its predecessors. This performance improvement comes at a high computational cost. For this reason, HEVC offers three ... -
Implementation of expressions using Python in stimulated luminescence analysis
(2022)In Thermoluminescence (TL) and Optically Stimulated Luminescence (OSL), the study of complex experimental TL glow curves and OSL signal processing, also known as deconvolution, was revolutionized by using a single, analytic ... -
Joint QoS multicast power / admission control and base station assignment: A geometric programming approach
(2008)The joint power control and base station (BS) assignment problem is considered under Quality-of-Service (QoS) constraints. If a feasible solution exists, the problem can be efficiently solved using existing distributed ... -
A Low Complexity Indoor Visible Light Positioning Method
(2021)The continuous positioning of a mobile user equipment (MU) in a prompt way is a fundamental requirement in several indoor applications related to ubiquitous computation, assisted living environments, and security/surveillance ...