Open Access
ARTICLE
Sanghyo Lee1, Yonghan Ahn2, Ha Young Kim3, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 1-17, 2020, DOI:10.32604/cmc.2020.011104
Abstract In this study, we examined the efficacy of a deep convolutional neural network
(DCNN) in recognizing concrete surface images and predicting the compressive strength
of concrete. A digital single-lens reflex (DSLR) camera and microscope were
simultaneously used to obtain concrete surface images used as the input data for the
DCNN. Thereafter, training, validation, and testing of the DCNNs were performed based
on the DSLR camera and microscope image data. Results of the analysis indicated that
the DCNN employing DSLR image data achieved a relatively higher accuracy. The
accuracy of the DSLR-derived image data was attributed to the relatively wider range… More >
Open Access
ARTICLE
Naeem Ahmad Jan1, Saad Hassan Kiani2, Fazal Muhammad2, Daniyal Ali Sehrai2, Amjad Iqbal3, Muhammad Tufail4, Sunghwan Kim5, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 19-32, 2020, DOI:10.32604/cmc.2020.011091
Abstract Due to rapid growth in wireless communication technology, higher bandwidth
requirement for advance telecommunication systems, capable of operating on two or higher
bands with higher channel capacities and minimum distortion losses is desired. In this
paper, a compact Ultra-Wideband (UWB) V-shaped monopole antenna is presented. UWB
response is achieved by modifying the ground plane with Chichen Itzia inspired rectangular
staircase shape. The proposed V-shaped is designed by incorporating a rectangle, and an
inverted isosceles triangle using FR4 substrate. The size of the antenna is 25 mm×26
mm×1.6 mm. The proposed V-shaped monopole antenna produces bandwidth response of
3 GHz Industrial,… More >
Open Access
ARTICLE
Muhammad Rafiq1, Ali Ahmadian2, *, Ali Raza3, Dumitru Baleanu4, Muhammad Sarwar Ahsan1, Mohammad Hasan Abdul Sathar5
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 33-51, 2020, DOI:10.32604/cmc.2020.010893
Abstract Nonlinear stochastic modeling has significant role in the all discipline of
sciences. The essential control measuring features of modeling are positivity,
boundedness and dynamical consistency. Unfortunately, the existing stochastic methods
in literature do not restore aforesaid control measuring features, particularly for the
stochastic models. Therefore, these gaps should be occupied up in literature, by
constructing the control measuring features numerical method. We shall present a
numerical control measures for stochastic malaria model in this manuscript. The results
of the stochastic model are discussed in contrast of its equivalent deterministic model. If
the basic reproduction number is less than one, then… More >
Open Access
ARTICLE
Joo-Chan Lee1, Hyun-Pyo Choi1, Jang-Hoon Kim1, Jun-Won Kim1, Da-Un Jung1, Ji-Ho Shin1, Jung-Taek Seo1, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 53-67, 2020, DOI:10.32604/cmc.2020.011251
Abstract Cyberattacks on the Industrial Control System (ICS) have recently been
increasing, made more intelligent by advancing technologies. As such, cybersecurity for
such systems is attracting attention. As a core element of control devices, the
Programmable Logic Controller (PLC) in an ICS carries out on-site control over the ICS. A
cyberattack on the PLC will cause damages on the overall ICS, with Stuxnet and Duqu as
the most representative cases. Thus, cybersecurity for PLCs is considered essential, and
many researchers carry out a variety of analyses on the vulnerabilities of PLCs as part of
preemptive efforts against attacks. In this study,… More >
Open Access
ARTICLE
Syahmi Afandi Sariman1, Ishak Hashim1, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 69-85, 2020, DOI:10.32604/cmc.2020.010836
Abstract The classical iterative methods for finding roots of nonlinear equations, like
the Newton method, Halley method, and Chebyshev method, have been modified
previously to achieve optimal convergence order. However, the Householder method has
so far not been modified to become optimal. In this study, we shall develop two new
optimal Newton-Householder methods without memory. The key idea in the
development of the new methods is the avoidance of the need to evaluate the second
derivative. The methods fulfill the Kung-Traub conjecture by achieving optimal
convergence order four with three functional evaluations and order eight with four
functional evaluations. The efficiency… More >
Open Access
ARTICLE
Bao Le Nguyen1, E. Laxmi Lydia2, Mohamed Elhoseny3, Irina V. Pustokhina4, Denis A. Pustokhin5, Mahmoud Mohamed Selim6, Gia Nhu Nguyen7, 8, K. Shankar9, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 87-107, 2020, DOI:10.32604/cmc.2020.011599
Abstract In present digital era, an exponential increase in Internet of Things (IoT)
devices poses several design issues for business concerning security and privacy. Earlier
studies indicate that the blockchain technology is found to be a significant solution to
resolve the challenges of data security exist in IoT. In this view, this paper presents a new
privacy-preserving Secure Ant Colony optimization with Multi Kernel Support Vector
Machine (ACOMKSVM) with Elliptical Curve cryptosystem (ECC) for secure and
reliable IoT data sharing. This program uses blockchain to ensure protection and integrity
of some data while it has the technology to create secure ACOMKSVM… More >
Open Access
ARTICLE
Zia Ullah1, Muhammad Ashraf1, Saqib Zia2, Yuming Chu3, 4, Ilyas Khan5, *, Kottakkaran Sooppy Nisar6
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 109-123, 2020, DOI:10.32604/cmc.2020.011468
Abstract The present work emphasizes the significance of oscillatory mixed convection
stratified fluid and heat transfer characteristics at different stations of non-conducting
horizontally circular cylinder in the presence of thermally stratified medium. To remove
the difficulties in illustrating the coupled PDE’s, the finite-difference scheme with
efficient primitive-variable formulation is proposed to transform dimensionless equations.
The numerical simulations of coupled non-dimensional equations are computed in terms
velocity of fluid, temperature and magnetic field which are computed to examine the
fluctuating components of skin friction, heat transfer and current density for various
emerging parameters. The governing parameters namely, thermally stratification
parameter More >
Open Access
ARTICLE
Mir Subzar1, Amer Ibrahim Al-Omari2, Ayed R. A. Alanzi3, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 125-138, 2020, DOI:10.32604/cmc.2020.010230
Abstract The ordinary least square (OLS) method is commonly used in regression
analysis. But in the presence of outlier in the data, its results are unreliable. Hence, the
robust regression methods have been suggested for a long time as alternatives to the OLS
to solve the outliers problem. In the present study, new ratio type estimators of finite
population mean are suggested using simple random sampling without replacement
(SRSWOR) utilizing the supplementary information in Bowley’s coefficient of skewness
with quartiles. For these proposed estimators, we have used the OLS, Huber-M, Mallows
GM-estimate, Schweppe GM-estimate, and SIS GM-estimate methods for estimating the… More >
Open Access
ARTICLE
Muhammad Adnan Khan1, *, Sagheer Abbas2, Ayesha Atta2, 3, Allah Ditta4, Hani Alquhayz5, Muhammad Farhan Khan6, Atta-ur-Rahman7, Rizwan Ali Naqvi8
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 139-151, 2020, DOI:10.32604/cmc.2020.011416
Abstract The innovation in technologies related to health facilities today is increasingly
helping to manage patients with different diseases. The most fatal of these is the issue of
heart disease that cannot be detected from a naked eye, and attacks as soon as the human
exceeds the allowed range of vital signs like pulse rate, body temperature, and blood
pressure. The real challenge is to diagnose patients with more diagnostic accuracy and in a
timely manner, followed by prescribing appropriate treatments and
keeping prescription errors to a minimum. In developing countries, the domain of
healthcare is progressing day by day using… More >
Open Access
ARTICLE
Gyeong-Jin Ra1, Chang-Hyun Roh1, Im-Yeong Lee1, *
CMC-Computers, Materials & Continua, Vol.65, No.1, pp. 153-170, 2020, DOI:10.32604/cmc.2020.011293
Abstract In today’s fourth industrial revolution, various blockchain technologies are
being actively researched. A blockchain is a peer-to-peer data-sharing structure lacking
central control. If a user wishes to access stored data, she/he must employ a private key to
prove ownership of the data and create a transaction. If the private key is lost, blockchain
data cannot be accessed. To solve such a problem, public blockchain users can recover
the key using a wallet program. However, key recovery in a permissioned blockchain
(PBC) has been but little studied. The PBC server is Honest-but-Curious (HBC), and
should not be able to learn anything… More >