Search Results - "Hossam Abdelghaffar"

A Novel Decentralized Game-Theoretic Adaptive Traffic Signal Controller: Large-Scale Testing by Abdelghaffar, Hossam M, Rakha, Hesham A

“…This paper presents a novel de-centralized flexible phasing scheme, cycle-free, adaptive traffic signal controller using a Nash bargaining game-theoretic…”
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Real-Time Estimation of Vehicle Counts on Signalized Intersection Approaches Using Probe Vehicle Data by Aljamal, Mohammad A., Abdelghaffar, Hossam M., Rakha, Hesham A.

“…This paper presents a novel method for estimating the number of vehicles traveling along signalized approaches using probe vehicle data only. The proposed…”
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Developing a Neural–Kalman Filtering Approach for Estimating Traffic Stream Density Using Probe Vehicle Data by Aljamal, Mohammad A., Abdelghaffar, Hossam M., Rakha, Hesham A.

“…This paper presents a novel model for estimating the number of vehicles along signalized approaches. The proposed estimation algorithm utilizes the adaptive…”
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Estimation of Traffic Stream Density Using Connected Vehicle Data: Linear and Nonlinear Filtering Approaches by Aljamal, Mohammad A., Abdelghaffar, Hossam M., Rakha, Hesham A.

“…The paper presents a nonlinear filtering approach to estimate the traffic stream density on signalized approaches based solely on connected vehicle (CV) data…”
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Adaptive Traffic Signal Control: Game-Theoretic Decentralized vs. Centralized Perimeter Control by Elouni, Maha, Abdelghaffar, Hossam M, Rakha, Hesham A

“…This paper compares the operation of a decentralized Nash bargaining traffic signal controller (DNB) to the operation of state-of-the-art adaptive and gating…”
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Sliding Mode Network Perimeter Control by Bichiou, Youssef, Elouni, Maha, Abdelghaffar, Hossam M., Rakha, Hesham A.

“…Urban traffic congestion is a chronic problem faced by many cities in the US and worldwide. It results in inefficient infrastructure use as well as increased…”
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Comparison of probabilistic cruising-for-parking time estimation models by Abdelghaffar, Hossam M., Batista, S.F.A., Rehman, Abdur, Cao, Jin, Menéndez, Mónica, Jabari, Saif Eddin

“…Models of parking search time predominantly rely on the binomial approximation, the calculation of which is dependent solely on the occupancy of the parking…”
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Development of a Connected Vehicle Dynamic Freeway Variable Speed Controller by Abdelghaffar, Hossam M., Elouni, Maha, Bichiou, Youssef, Rakha, Hesham A.

“…Traffic congestion is a major challenge in urban areas, and is associated with longer travel times, increased vehicle emissions, and numerous vehicle crashes…”
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Leveraging Autonomous Vehicles to Tally Cooperative Driving Behavior by Abdelghaffar, Hossam M., Chaqfeh, Moumena, Fejzic, Nadja, Rahwan, Talal, Zaki, Yasir, Menendez, Monica

“…The number of Autonomous Vehicles (AVs) coexisting with conventional human-driven vehicles is expected to increase significantly in the coming years. This…”
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Aerosol tracking using lidar-based atmospheric profiling and Bayesian estimation by Elbakary, Mohamed I., Abdelghaffar, Hossam M., Afrifa, Kwasi, Rakha, Hesham A., Cetin, Mecit, Iftekharuddin, Khan M.

“…•A ground-based laser system is used to detect soot in an area of interest.•The data analysis shows that Hampton Blvd is the main source of the pollution.•The…”
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Development and Testing of a Novel Game Theoretic De-Centralized Traffic Signal Controller by Abdelghaffar, Hossam M., Rakha, Hesham A.

“…The paper presents a novel de-centralized traffic signal controller, achieved using a Nash bargaining game-theoretic framework, that operates a flexible…”
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Screening for SARS-CoV-2 variants in Egypt using multiplex PCR by Ghada Ismail, Nashwa Omar, Samar Rashad, Hossam Abdelghaffar, Marwa Mostafa, Shereen Mohamed, Ahmed Elshafei, Yasmeen Ibraheem

“…Background: Since the beginning of SARS-CoV-2 pandemic, numerous variants have emerged as a result of mutations occurring in earlier strains. A number of these…”
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Current Status and a Future Perspective of COVID-19 in Egypt: Egyptian Reference Laboratory Experience by Ismail, Ghada, Mostafa, Marwa Salah, Abdelghaffar, Hossam, Halim, Rania Abdel, Omar, Nashwa Naguib, Fahim, Noha Alaa Eldin

“…Currently, the sole global concern is recurring waves of the COVID-19 virus that began in 2020 and is ongoing. This study aimed to compare the trends of…”
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Influential Control Parameters for Autonomous Vehicles in a Mixed Environment by Abdelghaffar, Hossam M., Menendez, Monica

“…Autonomous vehicles will be widely operated on roadways in the near future. Prior to the broad adoption of autonomous vehicles (AVs), conventional human-driven…”
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Genome sequencing reveals existence of SARS-CoV-2 B.1.1.529 variant in Egypt by Ismail, Ghada, Abdelghaffar, Hossam, Seadawy, Mohamed G, El-Hosseny, Mostafa F, Gad, Ahmed F, Ageez, Amr, ElShafei, Ahmed

“…Background Several SARS-CoV-2 variants with increased transmissibility and/or potential immune escape have emerged and rapidly spread worldwide. Ongoing…”
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Kalman Filter-based Vehicle Count Estimation Approach Using Probe Data: A Multi-lane Road Case Study by Aljamal, Mohammad A., Abdelghaffar, Hossam M., Rakha, Hesham A.

“…The paper presents a novel approach for estimating the number of vehicles on multi-lane signalized approaches using only probe vehicle data. A model-based…”
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Sliding Mode Network Perimeter Control by Bichiou, Youssef, Elouni, Maha, Abdelghaffar, Hossam M., Rakha, Hesham A.

“…Urban traffic congestion is a chronic problem faced by many cities in the US and worldwide. It results in inefficient infrastructure use as well as increased…”
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Development of a Connected Vehicle Dynamic Freeway Variable Speed Controller by Abdelghaffar, Hossam M., Elouni, Maha, Bichiou, Youssef, Rakha, Hesham A.

“…Traffic congestion is a major challenge in urban areas, and is associated with longer travel times, increased vehicle emissions, and numerous vehicle crashes…”
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Functional Assessment Of Voice Outcome After Thyroid Surgeries: Change In DSI Versus VHI In Post-Operative Period by El-Dessouky, Hossam, Abdelghaffar, Hossam, Sheikhany, Ayatallah, Rabie, Marwa

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The COVEG score to predict severity and mortality among hospitalized patients with COVID-19 by El-Kassas, Mohamed, El Gaafary, Maha, Elbadry, Mohamed, Medhat, Mohamed Ahmed, Dabbous, Hany, Hassan, Essam Ali, Abdelmoaty, Ahmed, Karam-Allah, Haidi, Sayed, Hamdy, Abdalazeem, Amr, Sherief, Ahmed Fouad, Fares, Eman, Alsadik, Maha, Moustafa, Ehab, Anwar, Wagida, Abdelghaffar, Hossam, Abdelghaffar, Khaled

“…Introduction: COVID-19 severity and mortality predictors could determine admission criteria and reduce mortality. We aimed to evaluate the clinical-laboratory…”
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