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1 |
IoT architecture for continuous long term monitoring: Parkinson’s Disease case study
معماری اینترنت اشیا برای نظارت طولانی مدت مداوم: مطالعه موردی بیماری پارکینسون-2022 In recent years, technological advancements and the strengthening of the Internet of Things
concepts have led to significant improvements in the technology infrastructures for remote
monitoring. This includes telemedicine which is the ensemble of technologies and tools involved
in medical services, from consultations, to diagnosis, prescriptions, treatment and patient
monitoring, all done remotely via an Internet connection.
Developing a telemedicine framework capable of monitoring patients over a continuous long-term monitoring window may encounter various issues related to the battery life of the device or the accuracy of the retrieved data. Moreover, it is crucial to develop an IoT architecture that is adaptable to various scenarios and the ongoing changes of the application scenario under analysis. In this work, we present an IoT architecture for continuous long-term monitoring of patients. Furthermore, as a real scenario case study, we adapt our IoT architecture for Parkinson’s Disease management, building up the PDRMA (Parkinson’s disease remote monitoring architecture). Performance analysis for optimal operation with respect to temperature and daily battery life is conducted. Finally, a multi-parameter app for the continuous monitoring of Parkinson’s patients is presented. keywords: IoT | Telemedicine | Continuous long term monitoring | Parkinson’s disease | e-Health |
مقاله انگلیسی |
2 |
IoTracker: A probabilistic event tracking approach for data-intensive IoT Smart Applications
IoTracker: یک رویکرد ردیابی رویداد احتمالی برای برنامههای هوشمند اینترنت اشیا با داده های فشرده-2022 Smart Applications for cities, industry, farming and healthcare use Internet of Things (IoT)
approaches to improve the general quality. A dependency on smart applications implies that any
misbehavior may impact our society with varying criticality levels, from simple inconveniences
to life-threatening dangers. One critical challenge in this area is to overcome the side effects
caused by data loss due to failures in software, hardware, and communication systems, which
may also affect data logging systems. Event traceability and auditing may be impaired when an
application makes automated decisions and the operating log is incomplete. In an environment
where many events happen automatically, an audit system must understand, validate, and
find the root causes of eventual failures. This paper presents a probabilistic approach to track
sequences of events even in the face of logging data loss using Bayesian networks. The results of
the performance analysis with three smart application scenarios show that this approach is valid
to track events in the face of incomplete data. Also, scenarios modeled with Bayesian subnets
highlight a decreasing complexity due to this divide and conquer strategy that reduces the
number of elements involved. Consequently, the results improve and also reveal the potential
for further advancement.
Keywords: Smart applications | Event tracker | Probabilistic tracker | Bayesian networks |
مقاله انگلیسی |
3 |
EntangleNetSat: A Satellite-Based Entanglement Resupply Network
-2022 In the practical context of quantum networks, quantum teleportation plays a key role in
transmitting quantum information. In the process of teleportation, a maximally entangled pair is consumed.
Through this paper, an efficient scheme of re-establishing entanglement between different nodes in a
quantum network is explored. A hybrid land-satellite network is considered, where the land-based links
are used for short-range communication, and the satellite links are used for transmissions between distant
nodes. This new scheme explores many different possibilities of resupplying the land nodes with entangled
pairs, depending on: the position of the satellites, the number of pairs available and the distance between
the nodes themselves. As to make the entire process as efficient as possible, we consider the situations of
direct transmissions of entangled photons and also the transmissions making use of entanglement swapping.
An analysis is presented for concrete scenarios, sustained by numerical data.
INDEX TERMS: Quantum communication | entanglement | teleportation | entanglement swapping | routing scheme | satellite. |
مقاله انگلیسی |
4 |
Computer vision for solid waste sorting: A critical review of academic research
بینایی کامپیوتری برای تفکیک زباله جامد: مروری انتقادی تحقیقات دانشگاهی-2022 Waste sorting is highly recommended for municipal solid waste (MSW) management. Increasingly, computer
vision (CV), robotics, and other smart technologies are used for MSW sorting. Particularly, the field of CV-
enabled waste sorting is experiencing an unprecedented explosion of academic research. However, little atten-
tion has been paid to understanding its evolvement path, status quo, and prospects and challenges ahead. To
address the knowledge gap, this paper provides a critical review of academic research that focuses on CV-enabled
MSW sorting. Prevalent CV algorithms, in particular their technical rationales and prediction performance, are
introduced and compared. The distribution of academic research outputs is also examined from the aspects of
waste sources, task objectives, application domains, and dataset accessibility. The review discovers a trend of
shifting from traditional machine learning to deep learning algorithms. The robustness of CV for waste sorting is
increasingly enhanced owing to the improved computation powers and algorithms. Academic studies were un-
evenly distributed in different sectors such as household, commerce and institution, and construction. Too often,
researchers reported some preliminary studies using simplified environments and artificially collected data.
Future research efforts are encouraged to consider the complexities of real-world scenarios and implement CV in
industrial waste sorting practice. This paper also calls for open sharing of waste image datasets for interested
researchers to train and evaluate their CV algorithms. keywords: زباله جامد شهری | تفکیک زباله | بینایی ماشین | تشخیص تصویر | یادگیری ماشین | یادگیری عمیق | Municipal solid waste | Waste sorting | Computer vision | Image recognition | Machine learning | Deep learning |
مقاله انگلیسی |
5 |
Cov-Net: A computer-aided diagnosis method for recognizing COVID-19 from chest X-ray images via machine vision
Cov-Net: یک روش تشخیصی به کمک رایانه برای تشخیص COVID-19 از تصاویر اشعه ایکس قفسه سینه از طریق بینایی ماشین-2022 In the context of global pandemic Coronavirus disease 2019 (COVID-19) that threatens life of all human
beings, it is of vital importance to achieve early detection of COVID-19 among symptomatic patients. In this
paper, a computer aided diagnosis (CAD) model Cov-Net is proposed for accurate recognition of COVID-19
from chest X-ray images via machine vision techniques, which mainly concentrates on powerful and robust
feature learning ability. In particular, a modified residual network with asymmetric convolution and attention
mechanism embedded is selected as the backbone of feature extractor, after which skip-connected dilated
convolution with varying dilation rates is applied to achieve sufficient feature fusion among high-level semantic
and low-level detailed information. Experimental results on two public COVID-19 radiography databases have
demonstrated the practicality of proposed Cov-Net in accurate COVID-19 recognition with accuracy of 0.9966
and 0.9901, respectively. Furthermore, within same experimental conditions, proposed Cov-Net outperforms
other six state-of-the-art computer vision algorithms, which validates the superiority and competitiveness of
Cov-Net in building highly discriminative features from the perspective of methodology. Hence, it is deemed
that proposed Cov-Net has a good generalization ability so that it can be applied to other CAD scenarios.
Consequently, one can conclude that this work has both practical value in providing reliable reference to the
radiologist and theoretical significance in developing methods to build robust features with strong presentation
ability.
keywords: COVID-19 | Computer aided diagnosis (CAD) | Feature learning | Image recognition | Machine vision |
مقاله انگلیسی |
6 |
A graphics-based digital twin framework for computer vision-based post-earthquake structural inspection and evaluation using unmanned aerial vehicles
یک چارچوب دیجیتال دوقلوی مبتنی بر گرافیک برای بازرسی و ارزیابی ساختاری پس از زلزله مبتنی بر بینایی کامپیوتری با استفاده از وسایل نقلیه هوایی بدون سرنشین-2022 Rapid structural inspections and evaluations are critical after earthquakes. Computer vision-based methods have attracted the interest of researchers for their potential to be rapid, safe, and objective. To provide an end-to-end solution for computer vision-based post-earthquake inspection and evaluation of a specific as-built structure, the concepts of physics-based graphics model (PBGM) and digital twin (DT) are combined to develop a graphics-based digital twin (GBDT) framework. The GBDT framework comprises a finite element (FE) model and a computer graphics (CG) model whose state is informed by the FE analysis, representing the state of the structure before and after an earthquake. The CG model is first created making use of the FE model and the photographic survey of the structure, yielding the virtual counterpart of the as-built structure quickly and accurately. Then damage modelling approaches are proposed to predict the location and extent of structural and nonstructural damage under seismic loading, from which photographic representation of the predicted damage is realized in the CG model. The effectiveness of the GBDT framework is demonstrated using a five-story reinforced concrete benchmark building through the design and assessment of various UAV (Unmanned Aerial Vehicle) inspection trajectories for post-earthquake scenarios. The results demonstrate that the proposed GBDT framework has significant potential to enable rapid structural inspection and evaluation, ultimately leading to more efficient allocation of scarce resources in a post-earthquake setting.
keywords: بینایی کامپیوتر | مهندسی زلزله | دوقلو دیجیتال | ارزیابی پس از زلزله | دوقلو دیجیتال مبتنی بر گرافیک | مدل گرافیکی مبتنی بر فیزیک | Computer vision | Earthquake engineering | Digital twin | Post-earthquake assessment | Graphics-based digital twin | Physics-based graphics model |
مقاله انگلیسی |
7 |
Post-Quantum Era in V2X Security: Convergence of Orchestration and Parallel Computation
دوران پسا کوانتومی در امنیت V2X: همگرایی ارکستراسیون و محاسبات موازی-2022 Along with the potential emergence of quantum computing, safety and security of new and
complex communication services such as automated driving need to be redefined in the post-quantum era. To ensure reliable, continuous, and
secure operation of these scenarios, quantum-resistant security algorithms (QRSAs) that enable
secure connectivity must be integrated into the
network management and orchestration systems
of mobile networks. This article explores a roadmap study of post-quantum era convergence with
cellular connectivity using the Service & Computation Orchestrator (SCO) framework for enhanced
data security in radio access and backhaul transmission with a particular focus on vehicle-to-everything services. Using NTRU as a QSRA, we
show that the parallelization performance of the
Toom-Cook and Karatsuba computation methods
can vary based on different CPU load conditions
through extensive simulations, and that the SCO
framework can facilitate the selection of the most
efficient computation for a given QRSA. Finally,
we discuss the evaluation results, identify the current standardization efforts, and present possible
directions for the coexistence of post-quantum
and mobile network connectivity through an SCO
framework that leverages parallel computing.
|
مقاله انگلیسی |
8 |
Quantum Blockchain Based on Dimensional Lifting Generalized Gram-Schmidt Procedure
بلاک چین کوانتومی بر اساس روش تعمیم یافته گرام اشمیت لیفت بعدی-2022 The advancement of quantum computers undermines the security of classical blockchain,
necessitating either a post-quantum upgrade of the existing architecture or creation of an inherently quantum
blockchain. Here we propose a practically realizable model of a fully quantum blockchain based on a
generalized Gram-Schmidt procedure utilizing dimensional lifting. In this model, information of transactions
stored in a multi-qubit state are subsequently encoded using the generalized Gram-Schmidt process. The
chain is generated as a result of the reliance of orthogonalized state on the sequence of states preceding it.
Various forking scenarios and their countermeasures are considered for the proposed model. It is shown to
be secure even against quantum computing attacks using the no-cloning theorem and non-democratic nature
of Generalized Gram-Schmidt orthogonalization. Finally, we outline a framework for a quantum token built
on the same architecture as our blockchain.
INDEX TERMS: Generalized orthogonalization | quantum blockchain | quantum token. |
مقاله انگلیسی |
9 |
The Accuracy vs: Sampling Overhead Trade-off in Quantum Error Mitigation Using Monte Carlo-Based Channel Inversion
دقت در مقابل نمونهبرداری سربار مبادله در کاهش خطای کوانتومی با استفاده از وارونگی کانال مبتنی بر مونت کارلو-2022 Quantum error mitigation (QEM) is a class of
promising techniques for reducing the computational error of
variational quantum algorithms. In general, the computational
error reduction comes at the cost of a sampling overhead due to
the variance-boosting effect caused by the channel inversion operation, which ultimately limits the applicability of QEM. Existing
sampling overhead analysis of QEM typically assumes exact
channel inversion, which is unrealistic in practical scenarios.
In this treatise, we consider a practical channel inversion strategy
based on Monte Carlo sampling, which introduces additional
computational error that in turn may be eliminated at the cost
of an extra sampling overhead. In particular, we show that when
the computational error is small compared to the dynamic range
of the error-free results, it scales with the square root of the
number of gates. By contrast, the error exhibits a linear scaling
with the number of gates in the absence of QEM under the
same assumptions. Hence, the error scaling of QEM remains to
be preferable even without the extra sampling overhead. Our
analytical results are accompanied by numerical examples.
Index Terms—Quantum error mitigation (QEM), Monte Carlo sampling, sampling overhead, error scaling behaviour. |
مقاله انگلیسی |
10 |
The Quantum Multiple-Access Channel With Cribbing Encoders
کانال دسترسی چندگانه کوانتومی با رمزگذارهای Cribbing-2022 Communication over a quantum multiple-access
channel (MAC) with cribbing encoders is considered, whereby
Transmitter 2 performs a measurement on a system that is
entangled with Transmitter 1. Based on the no-cloning theorem,
perfect cribbing is impossible. This leads to the introduction of
a MAC model with noisy cribbing. In the causal and non-causal
cribbing scenarios, Transmitter 2 performs the measurement
before the input of Transmitter 1 is sent through the channel.
Hence, Transmitter 2’s cribbing may inflict a “state collapse”
for Transmitter 1. Achievable regions are derived for each
setting. Furthermore, a regularized capacity characterization is
established for robust cribbing, i.e. when the cribbing system
contains all the information of the channel input. Building on the
analogy between the noisy cribbing model and the relay channel,
a partial decode-forward region is derived for a quantum MAC
with non-robust cribbing. For the classical-quantum MAC with
cribbing encoders, the capacity region is determined with perfect
cribbing of the classical input, and a cutset region is derived for
noisy cribbing. In the special case of a classical-quantum MAC
with a deterministic cribbing channel, the inner and outer bounds
coincide.
Index Terms—Quantum communication | Shannon theory | multiple-access channel | cribbing | relay channel. |
مقاله انگلیسی |