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137798 articles

Heritage Building Modelling: Photogrammetry Challenges in Producing an As Built Drawing (ABD) Using Unmanned Aerial System (UAS)

Hazry Desa, Muhammad Azizi Azizan, Nik Noriman Zulkepli, Norsyakilah Romeli
Tracking the heritage building changes has been a primary concern in an architectural works, as the building features may transformed due to periodic of time. In addition, the perseverance of heritage buildings seems taken lightly due to the eagerness of the Malaysian architect in designing urban anxious...

Playware Ball – Development of an Intelligent Ball

Morten Roed Frederiksen, Massimiliano Leggieri, Henrik Hautop Lund
For developing a novel kind of entertaining football and football training, we developed a playware ball prototype. The ball contains a microprocessor with WiFi connection and uses barometric pressure sensors and accelerometer data to track the ball movement in fast-paced football training games. The...

Network with Sub-networks: Layer-wise Detachable Neural Network

Ninnart Fuengfusin, Hakaru Tamukoh
In this paper, we introduce a network with sub-networks: a neural network whose layers can be detached into sub-neural networks during the inference phase. To develop trainable parameters that can be inserted into both base-model and sub-models, first, the parameters of sub-models are duplicated in the...

Human Motion Recognition Using TMRIs with Extended HOOF

Jing Cao, Youtaro Yamashita, Joo Kooi Tan
In recent years, research on computer vision has shown great advancement and has been applied to a wide range of fields. Among them, automatic recognition of human motion is an important technology especially in crime prevention and elderly watching systems. Considering this trend, the paper proposes...

Solving Logistics Distribution Center Location with Improved Cuckoo Search Algorithm

Juan Li, Hong Lei, Gai-Ge Wang
As a novel swarm intelligence optimization algorithm, cuckoo search (CS), has been successfully applied to solve various optimization problems. Despite its simplicity and efficiency, the CS is easy to suffer from the premature convergence and fall into local optimum. Although a lot of research has been...

Comparison of the Questionnaires Before and After the Experiment

Yugo Tokura, Takao Sato, Ryota Yasui, Natsuki Kawaguchi, Nozomu Araki, Yasuo Konishi
The aim of the present study is to improve the understanding of the control engineering for university students through the experience of the control experiment, and hence an experimental device is developed. The students are educated the control engineering using the device, and the educational effect...

Object 6 Degrees of Freedom Pose Estimation with Mask-R-CNN and Virtual Training

Victor Pujolle, Eiji Hayashi
Pose estimation algorithms’ goal is to find the position and the orientation of an object in space, given only an image. This task may be complex, especially in an uncontrolled environment with several parameters that can vary, like the object texture, background or the lightning conditions. Most algorithms...

Design of an Instrument for Measuring Heart Rate and Blood Oxygen Based on Arduino

Fengzhi Dai, Haokang Wen, Jichao Zhao, Hongbo Hao, Qianqian Zhang
In order to solve the problem of inconvenience of the existing heart rate and oxygen detection device, a portable heart rate oximeter is proposed in this paper. The device can detect and display the value of the heart rate, temperature and blood oxygen of the human body at any time. The instrument gets...

Practical Learning of Science for Elementary School Students via Programming and Control Experimentation

Yoshihiro Ohnishi, Takeshi Nakano, Teruyuki Tamai, Shinnosuke Mori, Kazuo Kawada
In Japan, it has been decided that programming education will be required in elementary schools from 2020. In the new study guidelines, new programming subjects will not be established, but programming will be handled within existing subjects such as mathematics and science. Therefore, it is desirable...
Research Article

Rules of Origin across African Regional Trading Agreements: A Landscape with Measures to Address Challenges at Harmonization†

Julien Gourdon, Dzmitry Kniahin, Jaime de Melo, Mondher Mimouni
To become operational, the African Continental Free Trade Area (AfCFTA) must harmonize Rules of Origin (ROO) across Africa’s Preferential Trade Agreements (PTAs) along two dimensions: regime-wide rules and product-specific rules. This paper describes and evaluates these ROO across the major multiple-membership...

Development of IoT Module with AI Function Using STM32 Chip

Hung Guo, Evgeni Magid, Kuo-Hsien Hsia, Kuo-Lan Su
The application of Internet of Things (IoT) has been widely used in our lives with the advancement of related software and hardware technologies. In order to make these IoT modules more intelligent, many IoT modules have begun to incorporate artificial intelligence algorithms. Therefore, this paper develops...

Attitude Control of Microsatellite Using PWM Method: Verification Using PIL

Ho-Nien Shou
The missions of micro-satellites range from early military usages to weather forecast, resources exploration, communication, and scientific experiment. The advantages of micro-satellites are simple mechanical structures, great reliability, low prices, and precise researchers and equipment. Therefore,...

Utilizing the Similarity Meaning of Label in Class Cohesion Calculation

Bayu Priyambadha, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Nanoubu Okazaki
The cohesion is one of the design quality indicators in software engineering. The measurement of the value of cohesion is done by looking at the correlation between attributes and methods that are in a class. In Direct Distance Design Class Cohesion (D3C2) metrics, attributes, and methods are assumed...

Crowd Density Estimation based on Global Reasoning

Li Wang, Fangbo Zhou, Huailin Zhao
The problem of crowd counting in single images and videos has attracted more and more attention in recent years. The crowd counting task has made massive progress by now due to the Convolutional Neural Network (CNN). However, filters in the shallow convolutional layer of the CNN only model the local...

A Class of Beta Second Kind Mixture Distributions

Mian Arif Shams Adnan, Humayun Kiser
A class of mixture distributions have been derived which we call beta second kind mixtures of distributions. Various integral representations of beta functions can be obtained using these mixture beta distributions. Estimation of unknown parameters along with some characteristics of these distributions...

An Unbiased Estimator of Finite Population Mean Using Auxiliary Information

B. Mahanty, G. Mishra
In this paper, an unbiased estimator is constructed by using a linear combination of an estimator of study variable and mean per unit estimator of an auxiliary variable under simple random sampling without replacement scheme. The efficiency of the estimator under optimality compared with the mean per...

Measure of Departure from Point Symmetry and Decomposition of Measure for Square Contingency Tables

Kiyotaka Iki, Sadao Tomizawa
For square contingency tables with ordered categories, Tomizawa, Biometrica J. 28 (1986), 387–393, considered the conditional point symmetry model. Kurakami et al., J. Stat. Adv. Theory Appl. 17 (2017), 33–42, considered the another point symmetry and the reverse global symmetry model. The present paper...

Featured Hybrid Recommendation System Using Stochastic Gradient Descent

Si Thin Nguyen, Hyun Young Kwak, Si Young Lee, Gwang Yong Gim
Beside cold-start and sparsity, developing incremental algorithms emerge as interesting research to recommendation system in real-data environment. While hybrid system research is insufficient due to the complexity in combining various source of each single such as content-based or collaboration filtering,...

Bayes Factors for Comparison of Two-Way ANOVA Models

R. Vijayaragunathan, M. R. Srinivasan
In the traditional two-way analysis of variance (ANOVA) model, it is possible to identify the significance of both the main effects and their interaction based on the P values. However, it is not possible to determine how much data supports the model when these effects are incorporated into the model....

The Firm Life Cycle Forecasting Model Using Machine Learning Based on News Articles

Si Young Lee, Sae Yong Oh, Sangwook Lee, Gwang Yong Gim
The determination of the firm life cycle has been carried out in relation to the establishment of corporate strategy in the field of accounting or management. The life cycle prediction based on financial information is long because it is determined based on the financial performance of the entity over...

The Prediction of COVID-19 Using LSTM Algorithms

Myung Hwa Kim, Ju Hyung Kim, Kyoungjin Lee, Gwang-Yong Gim
As COVID-19 enters the pandemic stage, the resulting infections, deaths and economic shocks are emerging. To minimize anxiety and uncertainty about socio-economic damage caused by the COVID-19 pandemic, it is necessary to reasonably predict the economic impact of future disease trends by scientific means....
Research Article

The Möbius Phenomenon in Generalized Möbius-Listing Bodies with Cross Sections of Odd and Even Polygons

J. Gielis, I. Tavkhelidze
In the study of cutting Generalized Möbius-Listing bodies with polygons as cross section, it is well known that the Möbius phenomenon, whereby the cutting process yields only one body, occurs only in even polygons with an even number of vertices and sides, and only in the specific when the knife cuts...

Estimating Catastrophic Costs due to Pulmonary Tuberculosis in Bangladesh

Anita Sharif Chowdhury, Md Shakil Ahmed, Sayem Ahmed, Fouzia Khanam, Fariha Farjana, Saifur Reza, Shayla Islam, Akramul Islam, Jahangir A.M. Khan, Mahfuzar Rahman
To eliminate TB from the country by the year 2030, the Bangladesh National Tuberculosis (TB) Program is providing free treatment to the TB patients since 1993. However, the patients are still to make Out-of-their Pocket (OOP) payment, particularly before their enrollment Directly Observed Treatment Short-course...

Estimated Number of People who Inject Drugs in Ho Chi Minh City, Vietnam: Findings from a Two-survey Capture–Recapture Population Size Estimation Exercise

Nghia Van Khuu, Phuc Duy Nguyen, Giang Tong Le, Hoa Thi Yen Luong, Van Thi Thu Tieu, Hau Phuc Tran, Thuong Vu Nguyen, Meade Morgan, Abu S. Abdul-Quader
Background: HIV/AIDS program managers in Ho Chi Minh City (HCMC), Vietnam have always relied on the police reports and the UNAIDS Estimation and Projection Package for population size estimation of People Who Inject Drugs (PWID). Methods: We used Respondent-driven Sampling (RDS) to implement a two-source...

Morbidity and Mortality Patterns in Children Admitted to Hospital in Thai Binh, Vietnam: A Five-year Descriptive Study with a Focus on Infectious Diseases

Thi Dung Pham, Van Thuan Hoang, Thi Loi Dao, Xuan Duong Tran, Duc Long Phi, Minh Manh To, Van Nghiem Dang, Van Khoi Dang, Thanh Tung Dao, Nam Thang Nguyen, Thi Thuy Vu, Duc Thanh Nguyen, Duy Cuong Nguyen, Nang Trong Hoang, Thanh Liem Vu, Thi Minh Chinh Nguyen, Philippe Minodier, Philippe Gautret
The objective of this study was to describe the overall pattern of morbidity and mortality of children seen at the Thai Binh Paediatric Hospital in Vietnam, with a focus on infectious diseases. A retrospective review of hospitalisation records was conducted from 1 January 2015 to 31 December 2019. Data...

Pride and Prejudice during the COVID-19 Pandemic: The Misfortune of Inappropriate Clinical Trial Design

Shahrukh K. Hashmi, Edward De Vol, Fazal Hussain
Coronavirus Disease 2019 (COVID-19) is a rapidly evolving global pandemic for which more than a thousand clinical trials have been registered to secure therapeutic effectiveness, expeditiously. Most of these are single-center non-randomized studies rather than multi-center, randomized controlled trials....

Epidemic Landscape and Forecasting of SARS-CoV-2 in India

Aravind Lathika Rajendrakumar, Anand Thakarakkattil Narayanan Nair, Charvi Nangia, Prabal Kumar Chourasia, Mehul Kumar Chourasia, Mohammed Ghouse Syed, Anu Sasidharan Nair, Arun B. Nair, Muhammed Shaffi Fazaludeen Koya
Background: India was one of the countries to institute strict measures for Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) control in the early phase. Since, then, the epidemic growth trajectory was slow before registering an explosion of cases due to local cluster transmissions. Methods:...

Knowledge, Attitude and Practices of Health Care Workers about Corona Virus Disease 2019 in Saudi Arabia

Unaib Rabbani, Abdullah Mohammed Al Saigul
Background and Objectives: Corona Virus Disease 2019 (COVID-19) pandemic is a global health emergency. Health Care Workers (HCWs) with sound knowledge and practices can help curb the pandemic. This study aimed to assess the knowledge, attitude and practices of HCWs about COVID-19 and compare physicians...

Unusual Presentation of Influenza B Virus in a Neonate

Abdulrahman Al Zahrani, Ehab M. Hantash, M. Abdoun, Syeda Naqvi
The presentation of neonatal influenza B in neonates can vary from a mild self-limited disease to acute presentation carrying high morbidity and mortality. This report describes one case of influenza B in a neonate who presented with severe respiratory distress syndrome and acute renal failure.

First 70 Days Critical Data Trend for COVID-19 in Four Regions of Northern Italy: A Pilot Study

Giovanni Ortosecco, Orazio Vaia
The new coronavirus syndrome (COVID-19) is a multi-organ pathological manifestation that, in severe forms, causes greater damage to the respiratory system, especially in the lung district with severe respiratory failure. In many cases, especially in elderly patients with high comorbidity degree, the...

Ecological Study on Differences in COVID-19 Fatality among Wuhan, Rest of Hubei, and Rest of China

Youfu Ke, Jianli Cui, Yunkeung Wong
Background: China’s vigorous anti-COVID-19 campaign has been going on for three months since January 20, which has contained the spread of the virus across China. Objectives: Epidemiological investigations found that COVID-19 fatality rates in Wuhan, rest parts of Hubei province except Wuhan (Rest of...

Is Physical Activity Associated with Mental Health among Chinese Adolescents during Isolation in COVID-19 Pandemic?

Sifan Kang, Yuliang Sun, Xinxin Zhang, Fangjun Sun, Bingqi Wang, Wenfei Zhu
Background: Restricted outdoor activities and online learning during COVID-19 pandemic may pose threats on the physical and mental health of Chinese adolescents in middle schools. The study was to explore the relationship of Physical Activity (PA) and Sedentary Time (SED) with mood states among Chinese...

Knowledge, Perception, Attitudes and Behavior on Influenza Immunization and the Determinants of Vaccination

Khalil Choucair, Jack El Sawda, Sarah Assaad, Nadim G. El Chakhtoura, Habiba Hassouna, Nisreen Sidani, Mohamad Yasmin, Ali Rteil, Souha S. Kanj, Zeina A. Kanafani
Background: We sought to determine the knowledge of, perception, attitudes, and behaviors toward influenza virus and immunization, and the determinants of vaccination among students, patients, and Healthcare Workers (HCWs) at the American University of Beirut and its affiliated Medical Center. Methods:...

Tuberculous Meningitis in an Immunocompetent Host: A Diagnostic Challenge

Hussein Algahtani, Bader Shirah, Nawal Abdelghaffar, Abdulrahman J. Alqahtani, Mohammad Alshehri
Tuberculosis is a major global public health problem, which poses significant diagnostic and treatment challenges. Tuberculous meningitis is the most severe form of extrapulmonary tuberculosis, which approximately affects 1% of all patients with active tuberculosis. It is considered a medical emergency...
Research Article

Reducing Unnecessary Brain Computed Tomography Scan in a Tertiary Center

M. Abdoun, Abdelmoneim Mahgoub, J. Motwali
Brain Computed Tomography (CT) is routinely requested before Lumbar Puncture (LP) to rule out increased intracranial pressure. However, normal brain radiography does not abate the risk of herniation and unnecessarily delays the course of treatment. Thus, the primary aims of this study were to evaluate...

Clinical Characteristics and Predictors of 28-Day Mortality in 352 Critically Ill Patients with COVID-19: A Retrospective Study

Abdulrahman Alharthy, Waleed Aletreby, Fahad Faqihi, Abdullah Balhamar, Feisal Alaklobi, Khaled Alanezi, Parameaswari Jaganathan, Hani Tamim, Saleh A Alqahtani, Dimitrios Karakitsos, Ziad A Memish
Background: Since the first COVID-19 patient in Saudi Arabia (March, 2020) more than 338,539 cases and approximately 4996 dead were reported. We present the main characteristics and outcomes of critically ill COVID-19 patients that were admitted in the largest Ministry of Health Intensive Care Unit (ICU)...
Research Article

The Prognostic Role of Aortic Stiffness in Patients Hospitalized for an Acute Heart Failure Syndrome

Sophia Giannitsi, Mara Bougiakli, Aris Bechlioulis, Anna Kotsia, Lampros Lakkas, Ioannis Girdis, Konstantinos Pappas, Georgios Chasiotis, Eleni Bairaktari, Andreas Kalogeropoulos, Lampros K. Michalis, Katerina K. Naka
Background: Although impaired arterial function has been associated with adverse prognosis in chronic Heart Failure (HF), its role in Acute HF Syndromes (AHFS) has been little studied. We prospectively investigated the prognostic role of arterial function on mortality and HF Hospitalizations (HHF) in...
Research Article

Sleep Quality is associated with Central Arterial Stiffness in Postmenopausal Women: A Cross-sectional Pilot Study

Youngju Choi, Nobuhiko Akazawa, Asako Zempo-Miyaki, Song-Gyu Ra, Seiji Maeda
This study aimed to investigate the associations between sleep quality and arterial stiffness in healthy postmenopausal women. A total of 31 healthy postmenopausal women aged between 50 and 74 years participated in this study. Objectively and subjectively measured sleep quantity and quality were concomitantly...

Screening Strategy of Active Pulmonary Tuberculosis in Sheltered Homeless People in Marseille, 2019

Tran Duc Anh Ly, Floriane Holi-Jamovski, Van Thuan Hoang, Ndiaw Goumballa, Meriem Louni, Thi Loi Dao, Michel Drancourt, Philippe Gautret
We aimed to assess the reliability of a screening questionnaire for Active Pulmonary Tuberculosis (APTB) in a population of sheltered homeless persons (HP). Participants from two homeless shelters completed a questionnaire specially designed to identify patients at high-risk of APTB (available at,...
Proceedings Article

The Pattern of Intragroup Conflict and Group Performance during Interprofessional Teamwork Process among Students of Medical and Health Professionals

Dwi Tyastuti, Devy Ariany, Alfiah
Teamwork and collaborative practice are necessary tools in handling health problems and the importance of interprofessional teamwork is becoming increasingly recognized. The process of team development is a series of multilevel, overlapping responsibilities, which are intertwined with each other, and...
Proceedings Article

[WITHDRAWN] A Single Band E-Shaped Patch Antenna with Defective Ground Structures for ISM Band Applications

C Aruna, A Keerthanai Priya, A Ameelia Roseline
A single band E-Shaped Patch antenna with Defective Ground Structures (DGS) was proposed. The overall dimension of the antenna is (32*31.5*1.64) mm. This antenna produces bandwidth ranges from (2.3 to 2.5) GHz, which supports ISM band application. This provides reflection coefficient about -32dB respectively....
Proceedings Article

Design and Fabrication of a Leak Proof Vacuum Assisted Resin Transfer Mold for manufacturing Fiber Reinforced Plastic Laminate using Product Design Approach

Mr Madhav Murthy, K Mallikharjuna Babu, P Martin Jebaraj
A polymer composite material is a two phase material made up of a matrix and reinforcement. The constituents must be considered appropriate proportions for the desired properties in the final laminate prepared. Compared to other manufacturing methods of making polymer matrix composites, Resin transfer...
Proceedings Article

A Critical review on friction stir based processes

M Puviyarasan, L Karthikeyan, C Gnanavel, K Dhineshkumar
Friction stir based processes are solid state processes which significantly contribute to joining/processing of materials and surface property enhancement. It replaces conventional joining/processing techniques owing to their unique features such as reduced distortion, reduced porosity defect, reduced...
Proceedings Article

[WITHDRAWN] Boosting Relevance Vector Machine Learning Algorithm Based on Noise Self-Detection

Wangchen Qin, Fang Liu, Quan Qi, Mi Tong
AdaBoost is an ensemble method to construct a strong classifier with linear combination of base classifiers, which has been applied to relevance vector machine (RVM) for performance improvement. However, the combination of the RVM and AdaBoost can be overfitting in dealing with the noisy data sets because...
Proceedings Article

Internet of Things, Internet, Big Data and Airport Services Make Smart Airport Based on O2O and Humanism

Qi Qi, Zhu Pan
This paper analyzes the reason why the civil aviation enterprises attach great importance to service quality, but the passengers are not much satisfied. And then it puts forward a scientific solution based on humanism and interconnected intelligent equipment. The paper also defines the concept of a smart...
Proceedings Article

Theoretical Analysis and Simulation of Buffer Cylinder for Anti-Water Hammering

Guolai Yang, Mingxue Li, Guixiang Bai, Meilin Xu
Aiming at the serious water hammer problem produced by check valve when the pump stops unexpectedly, an optimal method of using buffer cylinder to quick close check valve to reduce water hammer pressure is proposed. Through studying found that water hammer pressure is proportional to flow rate. And the...
Proceedings Article

Fault Diagnosis of Vehicle Engine Based on Analytic Hierarchy Process and Neural Network

Chuanxiang Du, Xiuling Wei
Due to the nonlinear relationship between vehicle engine fault characteristics, traditional methods can not accurately describe the correlation characteristics between different features, it is very difficult to achieve accurate diagnosis of vehicle engine fault. In order to improve the accuracy of vehicle...