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    A Framework of Intelligent Mental Health Monitoring in Smart Cities and Societies
    (IETE J. Res., 2023) Arpita Chakraborty; Jyoti Sekhar Banerjee; Ritam Bhadra; Anik Dutta; Shatabdi Ganguly; Deblina Das; Souvik Kundu; Mufti Mahmud; Gautam Saha
    In any smart city and society, the citizens' mental health is one of the utmost concerns. Nowadays, people from different sectors of our community face a severe mental health threat due to the prolonged pandemic of COVID-19. Depression, anxiety, suicidal behaviours, and posttraumatic stress disorder are widespread terms nowadays for students, health care workers, jobless people, etc. And Machine Learning (ML), image processing, expert systems, Internet of Things (IoT) are performing an essential function in the significant acceleration of the automation process within the healthcare industry. Therefore, this article aims to address the problem of preventing mental health disorders by early predicting individuals using the developed web portal Mind Turner; and by integrating the mentioned emerging tools in this way, later chronic mental health disorders can be avoided. We used the Random Forest Classifier to detect stress levels from the Question-Answer-based assessment, and SVM is used to detect facial emotions. Finally, both are combined using Interval Type-2 Fuzzy Logic to predict the probable mental health of a person, i.e. acute depression, moderate depression and not depressed.
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    Alternative fuels to reduce greenhouse gas emissions from marine transport and promote UN sustainable development goals
    (Fuel, 2023) Zahidul Islam Rony; M. Mofijur; M. M. Hasan; M. G. Rasul; M. I. Jahirul; Shams Forruque Ahmed; M. A. Kalam; C. F. Irfan Anjum Badruddin; T. M. Yunus Khan; Pau-Loke Show
    The International Maritime Organization (IMO) has placed stricter controls on several aspects of global maritime transport operations to protect the environment. In light of this, the goal of this study is to examine and assess the different prospective paths and technologies that will assist the shipping industry in decarbonizing its operations. We consider how the utilisation of various alternative energy sources reduces greenhouse gas (GHG) emissions from marine transportation and contributes to the promotion of the United Nations Sustainable Development Goals (SGDs). The complexities associated with maritime industry operations using alternative energy sources are also explored. Biofuel as an alternative energy source, including biomethanol and biodiesel, can reduce greenhouse gas emissions in the shipping industry by 25% to 100%. However, the current supply of biofuels can only meet about 15% of the total demand which is not sufficient to sustainably power the entire marine fleet. There are several issues associated with these biofuels, including oxidation, ecological consequences, feedstock availability, technical and operational constraints, and economic factors that must be addressed before their full potential may be achieved.