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Unsupervised heart-rate estimation in wearables with Liquid states and a probabilistic readout

Anup Das, Paruthi Pradhapan, Willemijn Groenendaal, Prathyusha Adiraju, Raj Thilak Rajan, Francky Catthoor, Siebren Schaafsma, Jeffrey L. Krichmar, Nikil Dutt, Chris Van Hoof
2018 Neural Networks  
Heart-rate estimation is a fundamental feature of modern wearable devices.  ...  computation model; (2) a novel learning algorithm; and (3) an intelligently designed unsupervised readout based on Fuzzy c-Means clustering of spike responses from a subset of neurons (Liquid states),  ...  This work is supported in parts by EU-H2020 grant NeuRAM3 Cube (NEUral computing aRchitectures in Advanced Monolithic 3D-VLSI nano-technologies) and ITEA3 proposal PARTNER (Patient-care Advancement with  ... 
doi:10.1016/j.neunet.2017.12.015 pmid:29414535 fatcat:3y3dvm5ezvg77ij2g3ukes4vpa

2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69

2020 IEEE Transactions on Instrumentation and Measurement  
Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N.,  ...  Meenalochani, M., and Sudha, S., Influence of Received Signal Strength on Prediction of Cluster Head and Number of Rounds; TIM June 2020 3739-3749 Hendeby, G., see Kasebzadeh, P., TIM Aug. 2020 5862  ...  ., +, TIM High-Accuracy, Unsupervised Annotation of Seismocardiogram Traces for Heart Rate Monitoring.  ... 
doi:10.1109/tim.2020.3042348 fatcat:a5f4fsqs45fbbetre6zwsg3dly

Artificial Neural Networks-Based Machine Learning for Wireless Networks: A Tutorial [article]

Mingzhe Chen, Ursula Challita, Walid Saad, Changchuan Yin, and Mérouane Debbah
2019 arXiv   pre-print
edge caching.For each individual application, we present the main motivation for using ANNs along with the associated challenges while also providing a detailed example for a use case scenario and outlining  ...  In this context, this paper provides a comprehensive tutorial that introduces the main concepts of machine learning, in general, and artificial neural networks (ANNs), in particular, and their potential  ...  Whatever measure is used, the readout represents the state of the liquid at some point in time. In general, in LSM, FNNs are used as the readout function.  ... 
arXiv:1710.02913v2 fatcat:kljn2evlwba4fha4lpwxjpv4yu

6G White Paper on Localization and Sensing [article]

Andre Bourdoux, Andre Noll Barreto, Barend van Liempd, Carlos de Lima, Davide Dardari, Didier Belot, Elana-Simona Lohan, Gonzalo Seco-Granados, Hadi Sarieddeen, Henk Wymeersch, Jaakko Suutala, Jani Saloranta (+8 others)
2020 arXiv   pre-print
They will become the catalyst for this revolution by bringing about a unique new set of features and service capabilities, where localization and sensing will coexist with communication, continuously sharing  ...  In turn, this will enable sensing solutions with very fine range, Doppler and angular resolutions, as well as localization to cm-level degree of accuracy.  ...  Beyond this, new applications are emerging, such as intruder detection, gesture recognition, and heart rate and respiration rate monitoring, among many others.  ... 
arXiv:2006.01779v1 fatcat:gvlog73wxffdno3glnxcfe56pu

Advanced photonic and electronic systems WILGA 2016

Ryszard S. Romaniuk
2016 International Journal of Electronics and Telecommunications  
Wilga, gathering through years the organization experience, has turned out to be a perfect relevant information exchange platform between young researchers from Poland with participation of international  ...  Young Researchers Symposium WILGA on Photonics Applications and Web Engineering has been organized since 1998, two times a year.  ...  Among such devices are wrist wearable monitors for increasing number of physiological signals like blood pressure, temperature, blood oxygenation, heart rate, physical effort, etc.  ... 
doi:10.1515/eletel-2016-0042 fatcat:r6s5ba2yxfc7lmi5dede3wfvli

2021 Index IEEE Transactions on Instrumentation and Measurement Vol. 70

2021 IEEE Transactions on Instrumentation and Measurement  
Article numbers are based on specified topic areas and corresponding codes associated with the publication.  ...  -that appeared in this periodical during 2021, and items from previous years that were commented upon or corrected in 2021.  ...  ., +, TIM 2021 4004911 Improving Energy Expenditure Estimation in Wrist-Worn Wearables by Augmenting Heart Rate Data With Heat Flux Measurement.  ... 
doi:10.1109/tim.2022.3156705 fatcat:dmqderzenrcopoyipv3v4vh4ry

Multiomics and digital monitoring during lifestyle changes reveal independent dimensions of human biology and health [article]

Francesco Marabita, Tojo James, Anu Karhu, Robert Mills, Teemu Perheentupa, Hans Stenlund, Fredrik Boulund, Cecilia Hellström, Maja Neiman, Heidi Virtanen, Kaisa Kettunen, Hannele Laivuori (+16 others)
2020 bioRxiv   pre-print
Multiomics factor analysis resulted in an unsupervised integrated view of the data, with individual factors explaining distinct aspects of variability in human health and lifestyle, such as obesity, diabetes  ...  Our study facilitates a detailed evaluation of aspects impacting on health and underlines the importance of personal molecular signatures.  ...  Acknowledgements We thank all the study subjects for their generous participation and commitment. We express our  ... 
doi:10.1101/2020.11.11.365387 fatcat:3avxko3bvff6nfql6bxmmdsbke

Convergent Communication, Sensing and Localization in 6G Systems: An Overview of Technologies, Opportunities and Challenges

Carlos De Lima, Didier Belot, Rafael Berkvens, Andre Bourdoux, Davide Dardari, Maxime Guillaud, Minna Isomursu, Elena-Simona Lohan, Yang Miao, Andre Noll Barreto, Muhammad Reza Kahar Aziz, Jani Saloranta (+8 others)
2021 IEEE Access  
In turn, this will enable sensing solutions with very fine range, Doppler, and angular resolutions, as well as localization to cm-level degree of accuracy.  ...  They will become the catalyst for this revolution by bringing about a unique new set of features and service capabilities, where localization and sensing will coexist with communication, continuously sharing  ...  detection and posture identification, in over-the-air testing of wireless devices, and in communicating and sensing in critical propagation scenarios, such as unmanned aerial vehicle, and underground  ... 
doi:10.1109/access.2021.3053486 fatcat:6q4t3t5wcfatpbyb4g233vpgum

Proceedings_of_Measuring_Behavior_2014.pdf [article]

Andrew Spink, Egon Van Den Broek, Leanne Loijens, Marta Woloszynowska-Fraser, Lucas P. J. J. Noldus
2020 Figshare  
Proceedings of the 9th International Conference on Methods and Techniques in Behavioral Research  ...  Ethical statement All experiments reported here were performed with the permission of the Animal Ethics Committee ('Lely-DEC') and in full compliance with the legal requirements of Dutch legislation on  ...  Acknowledgements The Intelligent Buffet has been developed as a part of the foodscapelab in a cooperation between SysCore and Department of Development & Planning at Aalborg University, Copenhagen.  ... 
doi:10.6084/m9.figshare.11708187 fatcat:62o74kbgczf2tp2dk64jeszxr4

Microelectronics packaging technology roadmaps, assembly reliability, and prognostics

Reza Ghaffarian
2016 Facta universitatis - series Electronics and Energetics  
The artificial neural network (ANN), a data-driven PHM, was discussed in details.  ...  Due to the breadth of work being performed in this field, this paper presents only a number of key packaging technologies.  ...  Acknowledgments: The research described in this publication is being conducted at the Jet  ... 
doi:10.2298/fuee1604543g fatcat:3azhhqsxufa7vbzdh5twk557xi

ACNP 55th Annual Meeting: Poster Session III

2016 Neuropsychopharmacology  
In our presentation last year at the ACNP, we reported a) the pharmacological characterization of the COX-1 and COX-2 radioligands using in vitro enzymatic assays in monkey and human blood, and b) initial  ...  evaluation of these two radioligands in a healthy rhesus monkey brain.  ...  With respect to heart rate changes, there was no significant decrease in heart rate between all active and all sham stimulations in the overall group analysis.  ... 
doi:10.1038/npp.2016.242 fatcat:4efd43swjbboranfrcs3pp32h4

Reservoir computing approaches to EEG-based detection of microsleeps [article]

Sudhanshu Ayyagari, University Of Canterbury
) with cascaded-leaky-integrator-neurons and liquid state machines (LSM) to increase current benchmark performances on microsleep detection.  ...  Long-haul truck drivers, train drivers, and commercial airline pilots routinely experience monotonous and extended driving periods in a sedentary position, which has been associated with drowsiness, microsleeps  ...  In LSM literature, the reservoir is often referred to as "liquid", The liquid in LSM corresponds to a DR in the ESN, and the readout unit of LSM refers to the linear layer of the ESN.  ... 
doi:10.26021/1455 fatcat:7n4d765zjrhpdow66ut2klnsbq

BNA Festival of Neuroscience 2019

2019 Brain and Neuroscience Advances  
A subgroup (N=487) with extreme levels of stress in both groups was also considered.  ...  T-tests revealed decreased betweenness centrality in the left somato-motor network only at sparsity 5% (entire population: p=0.028; sub-group=0.000), and a decrease in cluster coefficient in the right  ...  TD models estimate a value function and a policy (best action to perform) in each state (place in the maze).  ... 
doi:10.1177/2398212819855490 fatcat:y4b5r7rpdnblzoxvb2crpzqhee

Advanced Photonic and Electronic Systems WILGA 2018

Ryszard S. Romaniuk
Wilga is a very good digest of Ph.D. works carried out at technical universities in electronics and photonics, as well as information sciences throughout Poland and some neighboring countries.  ...  The article is a digest of some chosen works presented during Wilga 2018 symposium. WILGA 2017 works were published in Proc. SPIE vol.10445. WILGA 2018 works were published in Proc. SPIE vol.10808.  ...  Among such devices are wrist wearable monitors for increasing number of physiological signals like blood pressure, temperature, blood oxygenation, heart rate, physical effort, etc.  ... 
doi:10.24425/123539 fatcat:u2gcevqo5bcajl7mv53crerxvm

ACNP 55th Annual Meeting: Panels, Mini-Panels and Study Groups

2016 Neuropsychopharmacology  
Adult offspring (~45 years old) were assessed clinically and underwent fMRI using a mild visual stress task of negative, neutral and fixation images, along with hormonal and heart rate responses. fMRI  ...  Measures of prolactin levels and vital signs (heart rate, blood pressure) were obtained at baseline, 60min, 120min, 180min, 240min and 300min.  ...  Further, a change in BMI Z scores from baseline to follow-up was associated with a trend for greater decreases in connectivity between NAcc and amygdala over time in depressed (r = 0.64, po0.01) compared  ... 
doi:10.1038/npp.2016.239 fatcat:wg7pyurlzvhp7bvlmlbxtkunl4
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