Results 41 to 50 of about 822,606 (159)
Reversible Joint Hilbert and Linear Canonical Transform Without Distortion [PDF]
IEEE Transactions on Signal Processing, Volume 61, Issue 19,
Oct.1, 2013, 2017 Generalized analytic signal associated with the linear canonical transform (LCT) was proposed recently by Fu and Li ["Generalized Analytic Signal Associated With Linear Canonical Transform," Opt. Commun., vol. 281, pp. 1468-1472, 2008]. However, most real signals, especially for baseband real signals, cannot be perfectly recovered from their ...
arxiv +1 more source
Differences between normal and arrhythmic electrocardiograms using frequency analysis [PDF]
Revista Ciencias de la Salud, 2004 We report an advance of a research project basedon the hypothesis that electrocardiograms (ECG)are easier to interpret in the frequency domain than in the time domain. This paper is aimed tomedical personnel.
Raúl Narváez-Sánchez +1 more
doaj
To further understand graph signals [PDF]
arXiv, 2022 Graph signal processing (GSP) is a framework to analyze and process graph-structured data. Many research works focus on developing tools such as Graph Fourier transforms (GFT), filters, and neural network models to handle graph signals. Such approaches have successfully taken care of ``signal processing'' in many circumstances.
arxiv
Heart Sound Signal Analysis for Digital Auscultation
Journal of Physics: Conference Series, 2022 Cardiac auscultation is the examination of the heart by listening to the sound produced by the heart through a stethoscope. Heart sounds can provide information about the functioning of the heart valve condition as well as information about the ...
P. Busono +3 more
semanticscholar +1 more source
Computer-Assisted Processing of Current Step Signals in Single Blocking Impact Electrochemistry
ACS Measurement Science AuCurrent step signals related to single-entity collisions in blocking impact electrochemistry were analyzed by computer-assisted processing for estimating the size distributions of various particles. In this work, three different types of entities were studied by single blocking impact electrochemistry: polystyrene nanospheres (350 nm diameter) and ...
Arthur Langlard +5 more
openaire +4 more sources
Radar and RGB-depth sensors for fall detection: a review [PDF]
, 2017 This paper reviews recent works in the literature on the use of systems based on radar and RGB-Depth (RGB-D) sensors for fall detection, and discusses outstanding research challenges and trends related to this research field.
Cippitelli, Enea +3 more
core +1 more source
Journal of King Saud University: Computer and Information Sciences, 2023 Ultrasound is a diagnostic imaging technique to detect various illnesses related to the body's internal organs. It is a non-invasive, safe, cost-effective, and simple imaging modality that uses high-frequency sound waves and their reflection from ...
Prabhishek Singh +4 more
doaj
Topological Signal Processing over Simplicial Complexes [PDF]
, 2019 The goal of this paper is to establish the fundamental tools to analyze signals defined over a topological space, i.e. a set of points along with a set of neighborhood relations. This setup does not require the definition of a metric and then it is especially useful to deal with signals defined over non-metric spaces.
arxiv +1 more source
Wireless Communications in the Era of Big Data
, 2015 The rapidly growing wave of wireless data service is pushing against the boundary of our communication network's processing power. The pervasive and exponentially increasing data traffic present imminent challenges to all the aspects of the wireless ...
Bi, Suzhi +3 more
core +1 more source
Why rankings of biomedical image analysis competitions should be interpreted with care
Nature Communications, 2018 Biomedical image analysis challenges have increased in the last ten years, but common practices have not been established yet. Here the authors analyze 150 recent challenges and demonstrate that outcome varies based on the metrics used and that limited ...
Lena Maier-Hein +37 more
doaj +1 more source