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19 pages, 259 KB  
Article
Wartime Experiences of Single Parents by Choice
by Dorit Segal-Engelchin, Maya Tsfati and Alean Al-Krenawi
Healthcare 2025, 13(23), 3133; https://doi.org/10.3390/healthcare13233133 - 2 Dec 2025
Viewed by 408
Abstract
Background/Objectives: Despite extensive research on the outcomes faced by parents in contexts of political violence, as well as the protective factors that enhance their well-being, the experiences of single parents by choice (SPCs) in such circumstances have largely been neglected. This study sought [...] Read more.
Background/Objectives: Despite extensive research on the outcomes faced by parents in contexts of political violence, as well as the protective factors that enhance their well-being, the experiences of single parents by choice (SPCs) in such circumstances have largely been neglected. This study sought to address this gap by examining the experiences of SPCs during the current phase of the Israel–Hamas war that began on 7 October 2023. Method: This qualitative study used a context-informed approach. Semi-structured interviews were conducted with 11 Israeli SPCs (5 fathers and 6 mothers), including 2 displaced due to the destruction of their homes. All participants were secular Jews, predominantly middle- to upper-middle-class, aged 40–58, and had at least one child aged 15 months to 17 years. A thematic analysis method was utilized. Results: Two overarching themes emerged from the interviews, shaping participants’ wartime experiences: (1) the intensified challenges associated with parenting alone in the context of armed conflict and (2) the factors that mediated the impact of these challenges. Three key challenges identified by participants included: (1) persistent perceptions of danger and threat to life; (2) heightened financial insecurity; and (3) significant disruptions to daily routines. Three systemic-level protective factors were identified as instrumental in mitigating these challenges: (1) engagement in joint familial activities; (2) the presence of a supportive work environment; and (3) social and political engagement. These factors appeared to foster resilience and enhance participants’ psychological coping capacities amidst ongoing conflict. Conclusions: By highlighting the distinct stressors faced by SPCs in wartime and the factors mediating their impact on well-being, our findings extend the Stress Process Model to conflict settings, enhancing understanding of how single parenting is contextually shaped during major community crises. The findings may encourage clinicians and social workers to adopt a more nuanced approach when working with parents in conflict zones, enabling them to tailor interventions to the specific needs of different family structures. For SPCs, such interventions may include tele-counseling to provide psychosocial support and guidance for parents in supporting their children, without the need for childcare or travel, as well as advocacy for workplace policies that reduce financial and emotional vulnerabilities. Full article
25 pages, 1564 KB  
Article
Parental Attitudes to Risky Play and Children’s Independent Mobility: Public Health Implications for Children in Ireland
by Fiona Armstrong, Michael Joseph Barrett, David Gaul and Lorraine D’Arcy
Int. J. Environ. Res. Public Health 2025, 22(7), 1106; https://doi.org/10.3390/ijerph22071106 - 14 Jul 2025
Viewed by 2233
Abstract
Background: Understanding the determinants of children’s outdoor play is an important element for child development and broader public health outcomes. There is growing evidence that children’s opportunities for play, particularly outdoor risky play, are diminishing. Parents are concerned with keeping their child safe [...] Read more.
Background: Understanding the determinants of children’s outdoor play is an important element for child development and broader public health outcomes. There is growing evidence that children’s opportunities for play, particularly outdoor risky play, are diminishing. Parents are concerned with keeping their child safe while affording them independence to play. This study explored parents’ attitudes to risky play and practices around children’s independent mobility in Ireland with the aim of informing public health strategies promoting healthy childhood environments. Methods: An online survey comprising validated scales and standardised questions was completed by a nationally represented sample of 376 parents of children up to 16 years. Data was analysed via descriptive statistics, chi-square tests, and regression analysis. Results: A total of 376 participants accessed the survey, of which 349 completed it. A total of 84% of participants were female. A total of 74% agreed that children need regular exposure to actual risk to develop risk management skills, and 71% trusted their children to play safely. Chi-square tests reveal significant associations between outdoor play in the rain and school travel (p < 0.01), and appropriate age to begin activities at home and in educational settings (p < 0.05). A moderate association was found between the method of school travel and children’s permission to play in the rain (Cramer’s V = 0.51). Respondents considered supervision to be a necessity to ensure their children’s safety. Overall, the results indicate that parents were risk-averse in three of the six categories of risky play, namely, play near dangerous elements, play with adult tools, and out-of-sight play. Conclusions: This study presents a descriptive analysis of findings from the Ireland State of Play Survey. Findings indicate that although parents recognise the benefits of risky play, there is some contradiction between parental attitudes and actual practices, with a lack of willingness or confidence in permitting their children to participate in all such activities. Full article
(This article belongs to the Section Exercise and Health-Related Quality of Life)
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13 pages, 6387 KB  
Article
Evolution of a Potentially Dangerous Glacial Lake on the Kanchenjunga Glacier, Nepal, Predictive Flood Models, and Prospective Community Response
by Alton C. Byers, Sonam Rinzin, Elizabeth Byers and Sonam Wangchuk
Water 2025, 17(10), 1457; https://doi.org/10.3390/w17101457 - 12 May 2025
Cited by 1 | Viewed by 3746
Abstract
During a research expedition to the Kanchenjunga Conservation Area (KCA), eastern Nepal, in April–June 2024, local concern was expressed about the rapid development of meltwater ponds upon the terminus of the Kanchenjunga glacier since 2020, especially in terms of the possible formation of [...] Read more.
During a research expedition to the Kanchenjunga Conservation Area (KCA), eastern Nepal, in April–June 2024, local concern was expressed about the rapid development of meltwater ponds upon the terminus of the Kanchenjunga glacier since 2020, especially in terms of the possible formation of a large and potentially dangerous glacial lake. Our resultant study of the issue included informal interviews with local informants, comparison of time series satellite composite images acquired by Sentinel-2 Multispectral Instrument, and modeling of different lake development, outburst flood scenarios, and prospective downstream impacts. Assuming that the future glacial lake will be formed by the merging of present-day supraglacial ponds, filling the low-gradient area beneath the present-day glacier terminal complex, we estimated the potential volume of a Kanchenjunga proglacial lake to be 33 × 106 m3. Potential mass movement-triggered outburst floods would travel downstream distances of almost 120 km even under the small magnitude scenario, and under the worst-case scenario would reach the Indo-Gangetic Plain and cross the border into India, exposing up to 90 buildings and 44 bridges. In response, we suggest that the lower Kanchenjunga glacier region be regularly monitored by both local communities and Kathmandu-based research entities over the next decade. The development of user-friendly early warning systems, hazard mapping and zoning programs, cryospheric hazards awareness building programs, and construction of locally appropriate flood mitigation measures are recommended. Finally, the continued development and refinement of the models presented here could provide governments and remote communities with a set of inexpensive and reliable tools capable of providing the basic information needed for communities to make informed decisions regarding hazard mitigation, adaptive, and/or preventive measures related to changing glaciers. Full article
(This article belongs to the Special Issue Study of Hydrological Mechanisms: Floods and Landslides)
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19 pages, 9637 KB  
Article
Analyzing Travel and Emission Characteristics of Hazardous Material Transportation Trucks Using BeiDou Satellite Navigation System Data
by Yajie Zou, Qirui Hu, Wanbing Han, Siyang Zhang and Yubin Chen
Remote Sens. 2025, 17(3), 423; https://doi.org/10.3390/rs17030423 - 26 Jan 2025
Cited by 2 | Viewed by 1025
Abstract
Road hazardous material transportation plays a critical role in road traffic management. Due to the dangerous nature of the cargo, hazardous material transportation trucks (HMTTs) have different route selection and driving characteristics compared to traditional freight trucks. These differences lead to unique travel [...] Read more.
Road hazardous material transportation plays a critical role in road traffic management. Due to the dangerous nature of the cargo, hazardous material transportation trucks (HMTTs) have different route selection and driving characteristics compared to traditional freight trucks. These differences lead to unique travel and emission patterns, which in turn affect traffic management strategies and emission control measures. However, existing research predominantly focuses on safety aspects related to individual vehicle behavior, with limited exploration of the broader travel and emission characteristics of HMTTs. To bridge this gap, this study develops a comprehensive framework for analyzing the travel patterns and emissions of HMTTs. The methodology begins by applying a Gaussian mixture distribution model to identify vehicle stop points, eliminating biases associated with subjective settings. Origin–destination (OD) pairs are then determined through stop time clustering, followed by the extraction of travel characteristics using non-negative matrix factorization. Emissions are subsequently calculated based on the identified trip data. The relationship between emissions and land use characteristics is further analyzed using geographically weighted regression (GWR). Crucially, this study leverages data from the BeiDou Satellite Navigation System, focusing on HMTTs operating within Shanghai. The processed data reveal three distinct travel modes of HMTTs, categorized by spatiotemporal patterns: Daytime—Surrounding cities, Early morning—In-city, and Midnight—Scattered. Moreover, unlike other road vehicles, HMTT emissions are heavily influenced by industrial and company-related points of interest (POIs). These findings highlight the significant role of BeiDou Satellite Navigation System data in optimizing HMTT management strategies to reduce emissions and improve overall safety. Full article
(This article belongs to the Special Issue Application of Photogrammetry and Remote Sensing in Urban Areas)
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19 pages, 1682 KB  
Article
Risk Perception and Barriers to Electric Scooter Prevalence
by Fadi Shahin and Wafa Elias
Appl. Sci. 2025, 15(3), 1117; https://doi.org/10.3390/app15031117 - 23 Jan 2025
Cited by 3 | Viewed by 4056
Abstract
Micro-mobility, which includes small, lightweight vehicles such as bicycles, electric scooters, and electric bikes, has emerged as a key component of modern urban transportation over the last decade. ESs have transformed how people navigate cities by offering an eco-friendly alternative to traditional transport, [...] Read more.
Micro-mobility, which includes small, lightweight vehicles such as bicycles, electric scooters, and electric bikes, has emerged as a key component of modern urban transportation over the last decade. ESs have transformed how people navigate cities by offering an eco-friendly alternative to traditional transport, improving last-mile connectivity, and reducing traffic congestion. However, they also present challenges related to safety, infrastructure, and regulation. The rising crash rates involving electric scooters pose a significant public safety concern, driven by their novelty and limited research on associated risks. This study investigates factors influencing the adoption and use of electric scooter-sharing services, emphasizing risk perception, cultural norms, technological familiarity, and physical infrastructure. It also examines travel behaviors, common risks, and barriers to adoption. Using data from 254 Israeli participants, including 50 electric scooter users, the research highlights that 48% of users experienced near-miss incidents, and 38% used scooters on vehicular roads. The primary risk was identified as dangerous driver behavior on these roads, while the key barrier to adoption was a high perception of risk or low sense of safety. A structural equation model revealed that risk perception is influenced by gender-related attitudes and subjective norms, which indirectly diminish positive attitudes toward electric scooters and willingness to share and use them. The findings emphasize the importance of a safe physical infrastructure in fostering positive attitudes and promoting electric scooter use. This research provides valuable insights into mitigating risks and improving the adoption of electric scooters as a sustainable micro-mobility option. Full article
(This article belongs to the Special Issue Vehicle Safety and Crash Avoidance)
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9 pages, 188 KB  
Article
Factors Influencing the Choice Between Multi-Target Stool DNA and Colonoscopy for Colorectal Cancer Screening Among Alaska Native Peoples
by Lauren A. Jeffries, Christie A. Flanagan, Lila J. Finney Rutten, John B. Kisiel and Diana G. Redwood
Life 2025, 15(1), 120; https://doi.org/10.3390/life15010120 - 17 Jan 2025
Viewed by 1503
Abstract
The Alaska Tribal Health System is increasing colorectal cancer (CRC) screening among Alaska Native (AN) peoples, who experience the highest CRC rate in the world. Through a clinical trial (NCT04336397), AN people living in rural/remote Alaska were offered either the previously unavailable multi-target [...] Read more.
The Alaska Tribal Health System is increasing colorectal cancer (CRC) screening among Alaska Native (AN) peoples, who experience the highest CRC rate in the world. Through a clinical trial (NCT04336397), AN people living in rural/remote Alaska were offered either the previously unavailable multi-target stool DNA test (mt-sDNA; Cologuard®) or colonoscopy. From April 2022 to August 2024, 113 (59%) people who completed mt-sDNA testing and 51 (39%) who completed a colonoscopy procedure participated in a survey on factors influencing their screening test choice. The majority of mt-sDNA participants (79%) were aware of the colonoscopy option, while most colonoscopy participants (72%) reported being unaware of the mt-sDNA option. Key mt-sDNA preference themes included not having to travel, less time commitment, childcare and work responsibilities, physical limitations, greater convenience, and the test being less invasive and dangerous than a colonoscopy. In contrast, colonoscopy preference themes included wanting to adhere to screening recommendations, be proactive about preventative health, family history of cancer, awareness of the higher CRC risk among AN peoples, as well as the belief that colonoscopy is more reliable and accurate since it is performed by medical providers. These findings underscore the complex factors influencing CRC screening preferences among rural and remote AN people. Limited access to medical facilities, financial burdens, and personal commitments, along with personal factors, have a substantial bearing on the screening decision-making process. Recognizing and addressing these multifaceted influences can help CRC screening programs better meet community member needs and preferences, ultimately improving screening rates and colorectal health outcomes. Full article
(This article belongs to the Special Issue Novel Approaches to Early Cancer Detection)
7 pages, 230 KB  
Review
Current Feasibility of Urologic Telesurgery in Low/Middle Income Countries
by Alex S. Bart, Jack F. Albala and David M. Albala
Soc. Int. Urol. J. 2024, 5(6), 869-875; https://doi.org/10.3390/siuj5060068 - 16 Dec 2024
Cited by 1 | Viewed by 1884
Abstract
It is estimated that nearly five billion people do not have access to surgical care. Approximately 94% of individuals in low- and middle-income countries (LMICs) lack access to surgery in comparison to 14.9% in high-income countries (HICs). There are several urologic conditions requiring [...] Read more.
It is estimated that nearly five billion people do not have access to surgical care. Approximately 94% of individuals in low- and middle-income countries (LMICs) lack access to surgery in comparison to 14.9% in high-income countries (HICs). There are several urologic conditions requiring surgical intervention that are not treated because of the limited number of expert urologists in LMICs. Telesurgery is a concept that connects patients and surgeons in different locations through the use of a robotic surgery system. In this review, we explain the origins of telesurgery as well as the benefits and obstacles to its global implementation. Telesurgery can reduce travel times and the dangers associated with traveling for surgical care in LMICs. Additionally, telesurgery allows patients in LMICs to gain access to expert urologists while also providing effective training to upcoming surgeons. However, LMICs require substantial investment to improve digital infrastructure that will support urologic telesurgery. There will also be ethical, legal, and policy considerations that will need to be resolved for safe and equitable urologic telesurgery to occur. There have been multiple successful applications of urologic telesurgery, suggesting that the technology for this to become routine is already available. The time for international collaboration must begin now to reduce global disparities in access to urologic surgery. Full article
15 pages, 5371 KB  
Article
Impact of In-Cab Alerts on Connected Truck Speed Reductions in Indiana
by Jairaj Desai, Enrique D. Saldivar-Carranza, Rahul Suryakant Sakhare, Jijo K. Mathew and Darcy M. Bullock
Vehicles 2024, 6(4), 1857-1871; https://doi.org/10.3390/vehicles6040090 - 31 Oct 2024
Cited by 2 | Viewed by 1617
Abstract
Connected vehicle data have the potential to warn motorists of impending slowdowns and congestion in real time. Multiple data providers have recently begun providing in-cab alerts to commercial vehicle drivers. This study reports on one such deployment of in-cab alerts on 44 corridors [...] Read more.
Connected vehicle data have the potential to warn motorists of impending slowdowns and congestion in real time. Multiple data providers have recently begun providing in-cab alerts to commercial vehicle drivers. This study reports on one such deployment of in-cab alerts on 44 corridors in Indiana from April–June 2024. Approximately 20,000 alerts were analyzed, with 92% being Congestion alerts and 8% being Dangerous Slowdown alerts. Observations showed that 15% of trucks lowered their speeds by at least 5 mph 30 s after receiving a Congestion alert, while 21% of trucks reduced their speeds by at least 5 mph 30 s after receiving a Dangerous Slowdown alert. The analysis also showed that a majority of Congestion alerted trucks encountered slow-speed traffic about 3 min after receiving an alert, while a majority of Dangerous Slowdown alerted drivers had traveled through the zone of slow speeds 2 min after receiving the alert. Although these results are encouraging, the study also found that 8.1% of Congestion alerts and 8.3% of Dangerous Slowdown alerts were received by trucks when they were operating at speeds of less than or equal to 45 mph, indicating they were already in congested conditions. The study reports that 43% of trucks that received Dangerous Slowdown alerts never reduced their speed below 45 mph. The paper concludes that it is important to converge on a shared vision for these performance measures so that public agencies, in-cab alert providers, and trucking companies can agilely improve these systems and increase driver confidence in the alerts. Full article
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7 pages, 223 KB  
Article
Dog-Associated Road Safety Concerns: A Pre-COVID Survey of New Zealand Pet Owners
by Leena Awawdeh and Rachel H. Forrest
Pets 2024, 1(3), 277-283; https://doi.org/10.3390/pets1030020 - 8 Oct 2024
Cited by 1 | Viewed by 2540
Abstract
Aims: To investigate the road safety concerns associated with pet dogs in New Zealand. Methods: An online survey was developed and offered to New Zealanders via SurveyMonkey© from 8 January 2019 to 31 March 2019) using New Zealand residents aged ≥ 18 years. [...] Read more.
Aims: To investigate the road safety concerns associated with pet dogs in New Zealand. Methods: An online survey was developed and offered to New Zealanders via SurveyMonkey© from 8 January 2019 to 31 March 2019) using New Zealand residents aged ≥ 18 years. Questions about the demographics of respondents and their number of pet dogs along with those about dog transportation and dog roaming were asked. Results: Of 2744 respondents who completed the online survey, 1494 (65%) owned a dog. Of the total respondents, 1511 completed the question about how their dog or dogs travel in vehicles. Of these, 2% (n = 29) let their dog sit on the driver’s knee, and 12% (n = 179) allowed their dog to sit on the passenger’s knee. Only 7% (n = 105) allowed the dog to roam free throughout the vehicle, while 44% (n = 663) allowed their dogs to roam free in the backseat area only and 19% (n = 280) put their dog in the boot/hatchback area. A minority of respondents (2%, n = 22) indicated they let their dog travel unrestrained on the deck of a ute or truck. Approximately half, 51% (n = 767), of the respondents indicated that they restrained or crated their dogs in or on the vehicle. Respondents also expressed concerns about roaming dogs being a road safety hazard with the themes of responsible ownership, physical and psychological harm, and the dangers of rescue altruism emerging. Conclusions: Increased awareness about proper pet restraints during transportation and preventing dogs from roaming, especially near and on roads, is crucial to ensure traffic safety for humans and dogs. Full article
23 pages, 1094 KB  
Article
Perceptions of Women’s Safety in Transient Environments and the Potential Role of AI in Enhancing Safety: An Inclusive Mobility Study in India
by Guilhermina Torrao, Amal Htait and Shun Ha Sylvia Wong
Sustainability 2024, 16(19), 8631; https://doi.org/10.3390/su16198631 - 5 Oct 2024
Cited by 5 | Viewed by 8520
Abstract
Travel safety for women is a concern, particularly in India, where gender-based violence and harassment are significant issues. This study examines how the perception of safety influences women’s travel behaviour and assesses the potential of technology solutions to ensure their safety. Additionally, it [...] Read more.
Travel safety for women is a concern, particularly in India, where gender-based violence and harassment are significant issues. This study examines how the perception of safety influences women’s travel behaviour and assesses the potential of technology solutions to ensure their safety. Additionally, it explores how AI and machine learning techniques may be leveraged to enhance women’s travel safety. A comprehensive mobility survey was designed to uncover the complex relationship between travel behaviour, reasons for mode choice, built environment, feelings, future mobility, and technological solutions. The responses revealed that security and safety are the most critical factors affecting women’s travel mode choices, with 54% and 41%, respectively. Moreover, over 80% of women indicated a willingness to change their travel behaviour after experiencing fear, anxiety, or danger during their everyday journeys. Participants were 24% less willing to use ride-sharing services than ride-hailing services, which could affect the transition towards more sustainable transportation options. Furthermore, AI-based sentiment analysis revealed that 46% of the respondents exhibited signs of ‘anger’ regarding what could help women feel safer in transient environments. The practical implications of this study’s findings are discussed, highlighting the potential of AI to enhance travel safety and optimise future sustainable transport planning. Full article
(This article belongs to the Special Issue Sustainable Urban Transport Planning)
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7 pages, 325 KB  
Case Report
Acute Kidney Injury and Post-Artesunate Delayed Haemolysis in the Course of Plasmodium falciparum Malaria
by Alicja Kubanek, Małgorzata Sulima, Aleksandra Szydłowska, Katarzyna Sikorska and Marcin Renke
Pathogens 2024, 13(10), 851; https://doi.org/10.3390/pathogens13100851 - 30 Sep 2024
Cited by 2 | Viewed by 2721
Abstract
Malaria is a major international public health problem. The risk of acquiring malaria varies depending on the intensity of transmission and adherence to mosquito precautions and prophylaxis recommendations. Severe malaria can cause significant multiorgan dysfunction, including acute kidney injury (AKI). Intravenous artesunate is [...] Read more.
Malaria is a major international public health problem. The risk of acquiring malaria varies depending on the intensity of transmission and adherence to mosquito precautions and prophylaxis recommendations. Severe malaria can cause significant multiorgan dysfunction, including acute kidney injury (AKI). Intravenous artesunate is the treatment of choice for severe malaria in non-endemic areas. One of the possible events connected with the lifesaving effects of artemisins is post-artesunate haemolysis (PADH), which may be potentially dangerous and under-recognised. We present a case of a seafarer with severe Plasmodium falciparum malaria complicated with AKI and PADH, with a good response to steroid treatment. This case highlights the need for malaria prophylaxis in business travellers, e.g., seafarers to malara-endemic regions, and close supervision of patients with malaria even after the completion of antimalarial treatment due to the possibility of late complications. Full article
(This article belongs to the Special Issue Parasitic Diseases in the Contemporary World)
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7 pages, 1266 KB  
Communication
Unusual Unsatisfactory Treatment in Two Patients with Imported Cutaneous Leishmaniasis
by Anna Kuna, Romuald Olszański, Beata Szostakowska, Natalia Kulawiak, Ravi Kant and Maciej Grzybek
Trop. Med. Infect. Dis. 2024, 9(10), 227; https://doi.org/10.3390/tropicalmed9100227 - 30 Sep 2024
Viewed by 3280
Abstract
Cutaneous leishmaniasis is one of the most commonly diagnosed dermatological condition in travel medicine after diarrhoeal diseases and febrile status. The disease is transmitted by Phlebotomus and Lutzomyia sandflies. It appears in various clinical forms, the most common of which is a painless [...] Read more.
Cutaneous leishmaniasis is one of the most commonly diagnosed dermatological condition in travel medicine after diarrhoeal diseases and febrile status. The disease is transmitted by Phlebotomus and Lutzomyia sandflies. It appears in various clinical forms, the most common of which is a painless ulcer with raised edges, usually present on exposed parts of the body on the side where the insect bite occurred. Annually, over a million new cutaneous leishmaniasis (CL) cases are reported globally. We present two cases of affliction, the first occurring in Patient 1, who attempted treatment through the Kambo cleanse in South America, which is considered a toxic, even life-threatening, procedure. It involves the subcutaneous application of a substance dangerous to humans derived from the surface mucus of a frog. Patient 2 applied caustic ointments, a fruitarian diet, and hyperbaric oxygen therapy in a private setting. After initial therapeutic failures caused by the patients’ unconventional treatment ideas, the causal treatment effect was satisfactory, demonstrating the efficacy of these treatments in resolving the infection when applied appropriately. Despite the typical CL presentation in both patients, their self-treatment course was unusual. It is worth noting that alternative, sometimes harmful, self-treatment initiatives by patients may be surprising and ineffective. Promoting knowledge about tropical diseases among travellers and medical staff is crucial to improving treatment outcomes. Full article
(This article belongs to the Section Neglected and Emerging Tropical Diseases)
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26 pages, 1199 KB  
Review
A Critical AI View on Autonomous Vehicle Navigation: The Growing Danger
by Tymoteusz Miller, Irmina Durlik, Ewelina Kostecka, Piotr Borkowski and Adrianna Łobodzińska
Electronics 2024, 13(18), 3660; https://doi.org/10.3390/electronics13183660 - 14 Sep 2024
Cited by 15 | Viewed by 13664
Abstract
Autonomous vehicles (AVs) represent a transformative advancement in transportation technology, promising to enhance travel efficiency, reduce traffic accidents, and revolutionize our road systems. Central to the operation of AVs is the integration of artificial intelligence (AI), which enables these vehicles to navigate complex [...] Read more.
Autonomous vehicles (AVs) represent a transformative advancement in transportation technology, promising to enhance travel efficiency, reduce traffic accidents, and revolutionize our road systems. Central to the operation of AVs is the integration of artificial intelligence (AI), which enables these vehicles to navigate complex environments with minimal human intervention. This review critically examines the potential dangers associated with the increasing reliance on AI in AV navigation. It explores the current state of AI technologies, highlighting key techniques such as machine learning and neural networks, and identifies significant challenges including technical limitations, safety risks, and ethical and legal concerns. Real-world incidents, such as Uber’s fatal accident and Tesla’s crash, underscore the potential risks and the need for robust safety measures. Future threats, such as sophisticated cyber-attacks, are also considered. The review emphasizes the importance of improving AI systems, implementing comprehensive regulatory frameworks, and enhancing public awareness to mitigate these risks. By addressing these challenges, we can pave the way for the safe and reliable deployment of autonomous vehicles, ensuring their benefits can be fully realized. Full article
(This article belongs to the Special Issue Autonomous and Connected Vehicles)
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17 pages, 4289 KB  
Article
Image-Acceleration Multimodal Danger Detection Model on Mobile Phone for Phone Addicts
by Han Wang, Xiang Ji, Lei Jin, Yujiao Ji and Guangcheng Wang
Sensors 2024, 24(14), 4654; https://doi.org/10.3390/s24144654 - 18 Jul 2024
Cited by 1 | Viewed by 2121
Abstract
With the popularity of smartphones, a large number of “phubbers” have emerged who are engrossed in their phones regardless of the situation. In response to the potential dangers that phubbers face while traveling, this paper proposes a multimodal danger perception network model and [...] Read more.
With the popularity of smartphones, a large number of “phubbers” have emerged who are engrossed in their phones regardless of the situation. In response to the potential dangers that phubbers face while traveling, this paper proposes a multimodal danger perception network model and early warning system for phubbers, designed for mobile devices. This proposed model consists of surrounding environment feature extraction, user behavior feature extraction, and multimodal feature fusion and recognition modules. The environmental feature module utilizes MobileNet as the backbone network to extract environmental description features from the rear-view image of the mobile phone. The behavior feature module uses acceleration time series as observation data, maps the acceleration observation data to a two-dimensional image space through GADFs (Gramian Angular Difference Fields), and extracts behavior description features through MobileNet, while utilizing statistical feature vectors to enhance the representation capability of behavioral features. Finally, in the recognition module, the environmental and behavioral characteristics are fused to output the type of hazardous state. Experiments indicate that the accuracy of the proposed model surpasses existing methods, and it possesses the advantages of compact model size (28.36 Mb) and fast execution speed (0.08 s), making it more suitable for deployment on mobile devices. Moreover, the developed image-acceleration multimodal phubber hazard recognition network combines the behavior of mobile phone users with surrounding environmental information, effectively identifying potential hazards for phubbers. Full article
(This article belongs to the Section Sensing and Imaging)
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21 pages, 14370 KB  
Article
AI-Based Pedestrian Detection and Avoidance at Night Using Multiple Sensors
by Hovannes Kulhandjian, Jeremiah Barron, Megan Tamiyasu, Mateo Thompson and Michel Kulhandjian
J. Sens. Actuator Netw. 2024, 13(3), 34; https://doi.org/10.3390/jsan13030034 - 14 Jun 2024
Cited by 7 | Viewed by 4926
Abstract
In this paper, we present a pedestrian detection and avoidance scheme utilizing multi-sensor data collection and machine learning for intelligent transportation systems (ITSs). The system integrates a video camera, an infrared (IR) camera, and a micro-Doppler radar for data acquisition and training. A [...] Read more.
In this paper, we present a pedestrian detection and avoidance scheme utilizing multi-sensor data collection and machine learning for intelligent transportation systems (ITSs). The system integrates a video camera, an infrared (IR) camera, and a micro-Doppler radar for data acquisition and training. A deep convolutional neural network (DCNN) is employed to process RGB and IR images. The RGB dataset comprises 1200 images (600 with pedestrians and 600 without), while the IR dataset includes 1000 images (500 with pedestrians and 500 without), 85% of which were captured at night. Two distinct DCNNs were trained using these datasets, achieving a validation accuracy of 99.6% with the RGB camera and 97.3% with the IR camera. The radar sensor determines the pedestrian’s range and direction of travel. Experimental evaluations conducted in a vehicle demonstrated that the multi-sensor detection scheme effectively triggers a warning signal to a vibrating motor on the steering wheel and displays a warning message on the passenger’s touchscreen computer when a pedestrian is detected in potential danger. This system operates efficiently both during the day and at night. Full article
(This article belongs to the Special Issue Advances in Intelligent Transportation Systems (ITS))
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