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Results for “"Rafid Mahmud Khan"”

14 results

Exploring COVID-19 stress and its factors in Bangladesh: A perception-based study

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S.M. Didar-Ul Islam, Md. Bodrud-Doza, Rafid Mahmud Khan, Md. Abidul Haque et al.

Journal: HeliyonYear: 2020Citations: 298

BACKGROUND: The COVID-19 pandemic has aggregated mental health sufferings throughout the entire world. Suicide completions are the extreme consequences of COVID-19 related psychological burdens, which was reported in many countries including Bangladesh. However, there are lack of study assessing COV...

Social SciencesPsychologyClinical PsychologyOpen Access
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Firefly Algorithm Based Optimized PID Controller for Stability Analysis of DC-DC SEPIC Converter

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Md. Rafid Kaysar Shagor, Al Jaber Mahmud, Mirza Muntasir Nishat, Fahim Faisal et al.

Year: 2021Citations: 28

Firefly Algorithm (FA) refers to a swarm intelligence-based technique which appears to be one of the most influential optimization algorithms in designing optimized controllers for power converters in recent years. Hence, an optimized PID controller is designed based on this algorithm, and stability...

Physical SciencesEngineeringElectrical and Electronic Engineering
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Optimizing an integrated hybrid energy system with hydrogen-based storage to develop an off-grid green community for sustainable development in Bangladesh

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Asif Jaman, Rafid Al Mahmud, Barun K. Das, Mohammad Shahed Hasan Khan Tushar

Journal: International Journal of Hydrogen EnergyYear: 2024Citations: 27

An integrated renewable system that utilizes solid waste-based biogas is important steps towards the sustainable energy solutions to rural off-grid communities in Bangladesh. In this study, a hybrid energy system consisting of photovoltaic modules, wind turbines, biogas generators, fuel cells, and e...

Physical SciencesEnergyEnergy Engineering and Power TechnologyOpen Access
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Fast and Efficient Lung Abnormality Identification With Explainable AI: A Comprehensive Framework for Chest CT Scan and X-Ray Images

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Md. Zahid Hasan, Sidratul Montaha, Inam Ullah Khan, Md. Mehedi Hassan et al.

Journal: IEEE AccessYear: 2024Citations: 18

A novel automated multi-classification approach is proposed for the anticipation of lung abnormalities using chest X-ray and CT images. The study leverages a publicly accessible dataset with an insufficient and unbalanced number of images, addressing this issue by employing the data augmentation app...

Health SciencesMedicineRadiology, Nuclear Medicine and ImagingOpen Access
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An effective approach to address processing time and computational complexity employing modified CCT for lung disease classification

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Inam Ullah Khan, Sami Azam, Sidratul Montaha, Abdullah Al Mahmud et al.

Journal: Intelligent Systems with ApplicationsYear: 2022Citations: 16

Early identification and adequate treatment can help prevent lung disorders from becoming chronic, severe, and life-threatening. X-ray images are commonly used and an automated and effective method involving deep learning techniques can potentially contribute to quick and accurate diagnosis of lung ...

Health SciencesMedicineRadiology, Nuclear Medicine and ImagingOpen Access
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Analysing the variation in farmers’ perceptions of climate change impacts on crop production and adaptation measures across the Ganges’ Tidal Floodplain in Bangladesh

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Rafid Mahmud Khan, Farhad Zulfiqar, Avishek Datta, John K.M. Kuwornu et al.

Journal: Local EnvironmentYear: 2022Citations: 10

Bangladesh is highly vulnerable to climate change (CC) and consequent agricultural productivity repercussions. This study aimed at exploring the difference in farmers' perceptions of CC impacts on crop production and variation in adaptation measures across the Ganges' Tidal Floodplain (GTF) region. ...

Life SciencesAgricultural and Biological SciencesEcology, Evolution, Behavior and Systematics
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Study of Structural and Morphological Properties of Vacuum Coated Copper (Cu) Metal Thin Film

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Md. Mahmudul Alam, Md. Nasrul Haque Mia, Rafidah Hasan, M. Shahinuzzaman et al.

Journal: Materials Sciences and ApplicationsYear: 2015Citations: 6

This study presented a technique to deposit high strength and highly conductive copper thin films on glass substrates at room temperature. In this work, Cu thin films with thicknesses ~500 nm have been deposited on glass substrate by thermal evaporation technique at room temperature. After depositio...

Physical SciencesMaterials ScienceElectronic, Optical and Magnetic MaterialsOpen Access
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Multifaceted Chemico-Pharmacological Insights into <i>Cynometra ramiflora</i> L.: Unveiling its GC-MS, Cytotoxic, Thrombolytic, Anti-Inflammatory, Antioxidant, Anti-Diarrheal, Hypoglycemic, and Analgesic Potentials

Verified

Md Abdus Samadd, Md. Rifaet Hossain, Mohammad Abdullah Taher, Mohammad Mahmudul Hasan et al.

Journal: Natural Product CommunicationsYear: 2024Citations: 5

Objective: This study aimed to comprehensively evaluate the chemico-pharmacological properties of methanolic extractives derived from Cyanometra ramiflora leaves, encompassing a spectrum of activities including cytotoxic, thrombolytic, membrane-stabilizing, antioxidant, antidiarrheal, hypoglycemic, ...

Life SciencesPharmacology, Toxicology and PharmaceuticsToxicologyOpen Access
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Development and Characterization of Mikania, Kapok, Wool, Sugarcane, and Pineapple Fiber Reinforced Polyester Composite

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Rafid Anan, Hasan Al Mahmud, Tabriz Ahnaf Khan, Md Sakib Ul Alam Sakib et al.

Journal: Engineering ReportsYear: 2024Citations: 2

ABSTRACT This study utilizes plant‐derived fibers including Mikania, wool, kapok, sugarcane, and pineapple as strengthening additions to fabricated and tested reinforced polyester mixtures. This study aimed to examine the mechanical qualities and potential applications of these natural materials in ...

Physical SciencesMaterials SciencePolymers and PlasticsOpen Access
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Climate Change and Migration in South Asia: Trends, Obstacles, and Policy Practices

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MD Shiyan Sadik, Maisha Samia, Bushra Noor, Mohammad Sakib Raihan et al.

Year: 2025
Social SciencesSociology and Political ScienceClimate Change, Adaptation, Migration
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A Review on Emotion Detection from Text: Opportunities and Challenges

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Anisur Rahman Mahmud, Md. Mubtasim Fuad, Muhammad Zulkifl Hasan, Md. Minhazur Rafid et al.

Journal: Lecture notes in networks and systemsYear: 2024
Physical SciencesComputer ScienceArtificial Intelligence
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Rice Blast Disease Detection Using CNN Models and DCGAN

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Abdullah Al Munem, Lamyea Tasneem Maha, Rafid Mahmud Haque, Noor Fabi Shah Safa et al.

Journal: Lecture notes in networks and systemsYear: 2023
Life SciencesAgricultural and Biological SciencesPlant Science
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A Simulation Based Online Planning Algorithm for Multi-Agent Cooperative Environments

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Rafid Ameer Mahmud, Fahim Faisal, Saaduddin Mahmud, Md. Mosaddek Khan

Year: 2022

Multi-agent Markov Decision Process (MMDP) has been an effective way of modelling sequential decision making algorithms for multi-agent cooperative environments. However, challenges such as exponential size of action space and dynamic changes limit the efficacy of proposed solutions. This paper prop...

Physical SciencesComputer ScienceArtificial Intelligence
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Learning Cooperation and Online Planning Through Simulation and Graph Convolutional Network

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Rafid Ameer Mahmud, Fahim Faisal, Saaduddin Mahmud, Md. Mosaddek Khan

Journal: arXiv (Cornell University)Year: 2021

Multi-agent Markov Decision Process (MMDP) has been an effective way of modelling sequential decision making algorithms for multi-agent cooperative environments. A number of algorithms based on centralized and decentralized planning have been developed in this domain. However, dynamically changing e...

Physical SciencesComputer ScienceArtificial IntelligenceOpen Access
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