Now showing items 8784-8803 of 19117

    • R-wave detection: A comparative analysis of four methods using newborn piglet ECG 

      Shiying, D.; Fangfei, X.; Lingwood, B.; Mesbah, M.; Boashash, B. ( IEEE , 2010 , Conference Paper)
      In the electrocardiograph (ECG), R-wave is the positive upward deflection in the QRS complex which represents the depolarization of both left and right ventricles. Accurate detection of the R-wave peaks in the ECG plays a ...
    • Race/ethnicity and challenges for optimal insulin therapy 

      Nayla Cristina, do Vale Moreira; Ceriello, Antonio; Basit, Abdul; Balde, Naby; Mohan, V.; ... more authors ( Elsevier , 2021 , Article)
      AimsWe aimed to review insulin dosing recommendations, insulin regulation and its determinants, glycaemic response to carbohydrates, and the efficacy and safety of insulin therapy in different races/ethnicities. MethodsWe ...
    • Radar fall detection using principal component analysis 

      Jokanovic, Branka; Amin, Moeness; Ahmad, Fauzia; Boashash, Boualem ( SPIE , 2016 , Conference Paper)
      Falls are a major cause of fatal and nonfatal injuries in people aged 65 years and older. Radar has the potential to become one of the leading technologies for fall detection, thereby enabling the elderly to live independently. ...
    • Radar fall detectors: A comparison 

      Erol, Baris; Amin, Moeness; Ahmad, Fauzia; Boashash, Boualem ( SPIE , 2016 , Conference Paper)
      Falls are a major cause of accidents in elderly people. Even simple falls can lead to severe injuries, and sometimes result in death. Doppler fall detection has drawn much attention in recent years. Micro-Doppler signatures ...
    • Radially oriented mesoporous TiO2 microspheres with single-crystal–like anatase walls for high-efficiency optoelectronic devices 

      Liu, Yong; Che, Renchao; Chen, Gang; Fan, Jianwei; Sun, Zhenkun; ... more authors ( American Association for the Advancement of Science , 2015 , Article)
      Highly crystalline mesoporous materials with oriented configurations are in demand for high-performance energy conversion devices. We report a simple evaporation-driven oriented assembly method to synthesize three-dimensional ...
    • Radiation-free imaging for distal hole targeting in Intramedullary nailing 

      Abu-Gaoud, Monther Ghafel (2017 , Master Thesis)
      Orthopedic surgeons are routinely faced with long-bone fractures. Their preferred surgical procedure for dealing with such cases is Intra-Medullary Nailing (IMN). The aforementioned surgery usually involves alignment of ...
    • Radioactivity levels in the marine environment along the Exclusive Economic Zone (EEZ) of Qatar 

      Al-Qaradawi, Ilham; Abdel-Moati, Mohamed; Al-Yafei, Mohsin Al-Ansi; Al-Ansari, Ebrahim; Al-Maslamani, Ibrahim; ... more authors ( Elsevier , 2015 , Article)
      A study on 137Cs, 40K, 226Ra, 228Ra, and 238U was carried out along the EEZ of Qatar. Results serve as the first ever baseline data. The level of 137Cs (mean value 1.6 ± 0.4 Bq m 3) in water filters was found to be in the ...
    • Radiofrequency Ablation Versus Antiarrhythmic Drug Therapy for Atrial Fibrillation: Meta-analysis of Safety and Efficacy 

      Yi F.; Hou W.; Zhou C.; Yin Y.; Lu S.; ... more authors ( NLM (Medline) , 2019 , Article)
      BACKGROUND: Radiofrequency ablation (RFA) and antiarrhythmic drugs (AADs) are the main treatments used for atrial fibrillation (AF). In recent years, a number of articles comparing the 2 treatments have begun to emerge. ...
    • A radon wigner ville based image dissimilarity measure 

      Saleem, A.; Beghdadi, A.; Chetouani, A.; Boashash, B. ( IEEE , 2011 , Conference Paper)
      In this paper, we introduce a radon wigner ville based image dissimilarity measure. The proposed Image distortion measure aims to combine the useful properties of the wigner ville and the directionality of the finite Radon ...
    • Rail Robot for Rail Track Inspection 

      AlNaimi, Noora Rashid (2020 , Master Thesis)
      Railway transportation requires constant inspections and immediate maintenance to ensure public safety. Traditional manual inspections are not only time consuming, but also expensive. In addition, the accuracy of defect ...
    • Rainfall Characterization In An Arid Area 

      Bazaraa, A. S.; Ahmed, Shamim ( Qatar University , 1991 , Article)
      The objective of this work is to characterize the rainfall in Doha which lies in an arid region. The rainfall data included daily rainfall depth since 1962 and the hyetographs of the individual storms since 1976. The ...
    • Ramadan Fasting and Patients with Cancer: State-of-the-Art and Future Prospects 

      Bragazzi, Nicola Luigi; Briki, Walid; Khabbache, Hicham; Rammouz, Ismail; Chamari, Karim; ... more authors ( Frontiers Media , 2016 , Article)
      Ramadan fasting represents one of the five pillars of the Islam creed. Even though some subjects (among which patients) are exempted from observing this religious duty, they may be eager to share this particular moment of ...
    • A Random Binary Trees Generation Method 

      Maghrabi, Saud M.A. [سعود محمد عبد الله مغربي] ( Qatar University , 2000 , Article)
      There are two widely used random distributions on binary trees, namely the binary search tree distribution and the uniform distribution. By analyzing the performance of algorithms that manipulate binary trees generated at ...
    • Random Distributed Algorithms For Clock Synchronization 

      Nakai, Shoichiro ( Qatar University , 1992 , Article)
      This paper proposes clock synchronization algorithms based on the idea in which randomly chosen m out of the total N processors cooperate to perform the clock adjustment of all processors in a distributed system. Selection ...
    • Random number of units for K-out-of-n systems 

      Ito, Kodo; Zhao, Xufeng; Nakagawa, Toshio ( Elsevier Inc. , 2017 , Article)
      This paper takes up the reliability and preventive replacement problems for a K-out-of-n system, where K is a stochastic parameter provided. Firstly, we consider the case when K is predefined as constant numbers as is done ...
    • Random number of units for K-out-of-n systems 

      Ito, Kodo; Zhao, Xufeng; Nakagawa, Toshio ( Elsevier , 2017 , Article)
      This paper takes up the reliability and preventive replacement problems for a K-out-of-n system, where K is a stochastic parameter provided. Firstly, we consider the case when K is predefined as constant numbers as is done ...
    • Random sampling for patch-based face recognition 

      Cheheb, Ismahane; Al-Maadeed, Noor; Al-Madeed, Somaya; Bouridane, Ahmed; Jiang, Richard ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Real face recognition is a challenging problem especially when face images are subject to distortions. This paper presents an approach to tackle partial occlusion distortions present in real face recognition using a single ...
    • A Randomised Single-Blinded Controlled Trial on the Effectiveness of Brief Advice on Smoking Cessation among Tertiary Students in Malaysia 

      WDAS, De Silva; Awang, R.; Samsudeen, S.; Hanna, F. ( OMICS International , 2016 , Article)
      Introduction Tobacco smoking, a habitual behavior, is addictive and detrimental to health. Quitting requires personal abilities and environmental opportunities and therefore, improving these abilities and opportunities ...
    • Randomization in small sample surveys with the Halton sequence 

      Le K.T.; McRoy M.; Diop A. ( European Survey Research Association , 2018 , Article)
      Randomization has been widely used in surveys for various purposes such as within household respondent selection, rotation of questions and answer choices, and split sample (or ballot) technique for survey experiments. The ...
    • Randomized clinical trial comparing abluminal biodegradable polymer sirolimus-eluting stents with durable polymer sirolimus-eluting stents: Nine months angiographic and 5-year clinical outcomes 

      Zhang, Haijun; Wang, Xiangfei; Deng, Wei; Wang, Shenguo; Ge, Junbo; ... more authors ( Wolters Kluwer Health, Inc , 2016 , Article)
      Background: The biodegradable polymer drug-eluting stents (DES) were developed to improve vascular healing. However, further data and longer-term follow-up are needed to confirm safety and efficacy of these stents. This ...