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Publications - 6374

Addressing the Impact of Resolution Scaling on YOLO Performance for Brain Tumor Detection Through Optimized Network Depth/Width Adjustments

Ferenc Lilik Ahmed Al-Ashoor Szilvia Nagy

Publication Name: Applied Sciences Switzerland

Publication Date: 2026-05-01

Volume: 16

Issue: 9

Page Range: Unknown

Description:

Deep learning-based object detectors, particularly You Only Look Once (YOLO) architectures, have demonstrated strong performance in automated brain tumor detection. However, the impact of resolution scaling on tumor localization accuracy remains underexplored, especially under conditions where image resolution is reduced. This study aims to investigate how lowering the input resolution from 640 × 640 to 480 × 480 affects detection performance and whether optimized depth/width scaling and hyperparameter tuning can compensate for the expected loss of spatial detail. In this work, we propose an optimized YOLO-based framework for brain tumor detection and localization in MRI scans, building upon the method “Addressing the Impact of Resolution Scaling on YOLO Performance for Brain Tumor Detection through Optimized Network Depth/Width Adjustments.” Our model, an enhanced variant of the BGF-YOLO architecture, is specifically tailored for the challenges of medical imaging. The proposed network features both architectural and training-level optimizations. We used a publicly available dataset from Kaggle that consists of 500 training images, 201 validation images, and 100 test images. Experimental analysis demonstrates that while reducing input resolution alone degrades performance, integrating targeted modifications specifically increases network depth and width. In addition, advanced training strategies such as MixUp augmentation, dropout regularization, AdamW optimization, cosine learning rate scheduling, and finely tuned learning rate ranges lead to substantial performance gains. The optimized model achieves a precision of up to 0.858, a recall of 0.943, mAP50 of 0.946, and mAP50–95 of 0.672. These results not only outperform the reduced-resolution baseline but also approach, and in some cases surpass, the original high-resolution BGF-YOLO setup.

Open Access: Yes

DOI: 10.3390/app16094320

Main trends in the tourism industry in Indonesia between 2020–2023

Lóránt Dávid Setiawan Priatmoko Al Fauzi Rahmat

Publication Name: Journal of Infrastructure Policy and Development

Publication Date: 2024-01-01

Volume: 8

Issue: 11

Page Range: Unknown

Description:

Indonesia’s tourism industry has emerged as a strategic sector, contributing to the country’s foreign exchange earnings. Given the prominence of this sector, there is significant potential for further development. Indeed, a mapping study to assess the dissemination of the trend and the potential for further issues to emerge would be highly beneficial. It is encouraging to note that academics have produced substantial literature on the subject, offering insights into its many facets. However, there is still a need for more in-depth analysis to understand the trends and issues currently facing the sector entirely. Consequently, this article examines the core themes in Indonesia’s tourism studies and maps the potential for future research on tourism issues and regulations. To this end, it employs a qualitative, four-year data set (2020– 2023) and a SWOT analysis to identify critical aspects of Indonesian tourism issues. The data was collected in three forms: government reports, statistical data, and research articles (n = 252 samples) from the Scopus database. The results demonstrate that the predominant trend in Indonesia’s tourism industry is the widespread embrace of ecotourism at both the local and regional levels. Instead of identifying a limited number of leading destinations, the focus has shifted towards developing tourism villages and multi-stakeholder tourism. The primary concerns are the Indonesian tourism industry’s growth potential and sustainability. The development potential of Indonesian destinations based on SWOT objectives is a crucial aspect, and its score shows that Indonesia’s tourism sector is strategically positioned to take advantage of strengths and opportunities.

Open Access: Yes

DOI: 10.24294/jipd.v8i11.8162

On structural entropy and spatial filling factor analysis of colonoscopy pictures

Brigita Sziova János Pipek Szilvia Nagy

Publication Name: Entropy

Publication Date: 2019-03-01

Volume: 21

Issue: 3

Page Range: Unknown

Description:

Colonoscopy is the standard device for diagnosing colorectal cancer, which develops from little lesions on the bowel wall called polyps. The Rényi entropies-based structural entropy and spatial filling factor are two scale- and resolution-independent quantities that characterize the shape of a probability distribution with the help of characteristic curves of the structural entropy-spatial filling factor map. This alternative definition of structural entropy is easy to calculate, independent of the image resolution, and does not require the calculation of neighbor statistics, unlike the other graph-based structural entropies.The distant goal of this study was to help computer aided diagnosis in finding colorectal polyps by making the Rényi entropy based structural entropy more understood. The direct goal was to determine characteristic curves that can differentiate between polyps and other structure on the picture. After analyzing the distribution of colonoscopy picture color channels, the typical structures were modeled with simple geometrical functions and the structural entropy-spatial filling factor characteristic curves were determined for these model structures for various parameter sets. A colonoscopy image analying method, i.e., the line- or column-wise scanning of the picture, was also tested, with satisfactory matching of the characteristic curve and the image.

Open Access: Yes

DOI: 10.3390/e21030256

Plasma edge current fluctuation measurements during the ELM cycle with the atomic beam probe at COMPASS

M. Berta G. Anda D. Dunai P. Háček D. Refy M. Aradi J. Krbec S. Zoletnik A. Bencze

Publication Name: 46th Eps Conference on Plasma Physics Eps 2019

Publication Date: 2019-01-01

Volume: Unknown

Issue: Unknown

Page Range: Unknown

Description:

No description provided

Open Access: Yes

DOI: DOI not available

Bird–Borrelia Interactions: A Historical Review and Their Significance for Human Disease Ecology

András P. Bózsik Dömötör M. László Egri Borisi

Publication Name: Microorganisms

Publication Date: 2026-05-01

Volume: 14

Issue: 5

Page Range: Unknown

Description:

Research increasingly identifies wild birds, particularly long-distance migratory species, as epidemiologically relevant hosts and vectors for tick-borne Borrelia species that pose risks to both avian and human health. This review contextualizes avian-associated Borrelia research historically and microbiologically, showing the role of avian hosts in the ecology of agents causing relapsing fever and Lyme borreliosis. We identify key publications that trace the evolution of Borrelia research—from early microscopic observations of spirochetes to the modern molecular and serological evidence. The review collects literature on the process by which Borrelia gained early scientific attention due to its characteristic morphology and elevated bloodstream concentrations during septicemic phases, which enabled early etiological links between the microbe and disease. It follows the recognition of avian spirochetosis caused by Borrelia anserina and charts the shift in focus after the discovery of Borrelia burgdorferi sensu lato (Subgen. novum recomm. Borreliella, Lyme-group Borrelia). Publications listed show that birds can transport infected human-parasitic ticks over long distances and, in certain bird species, selectively amplify Lyme-group Borrelia species, especially Borrelia garinii, which has the highest temperature tolerance and is thus potentially viable in avian hosts. The literature supports the role of birds in maintaining and disseminating Borrelia infections and infected ticks across continents.

Open Access: Yes

DOI: 10.3390/microorganisms14051096

Complex oncologic therapy for loco-regionally advanced breast cancer associated with long-lasting SARS-CoV-2 PCR-positivity

István Sipőcz Tamás Kullmann Márta Knausz Dániel Kollár András Drozgyik F. Tamás Molnár

Publication Name: Orvosi Hetilap

Publication Date: 2021-04-01

Volume: 162

Issue: 16

Page Range: 611-614

Description:

Mortality of COVID-19 is increased when certain co-morbidities, among others advanced malignancies are present. Deleterious effect of cytotoxic therapy, related to its immunosuppressive effect, may also be hypothesised. However, postponing or cancelling oncologic treatment, especially in younger patients with advanced and more aggressive tumors may worsen the prognosis. The case of a 39-year-old female patient is presented, who was diagnosed with loco-regionally advanced breast cancer during the pandemic. Primary systemic chemotherapy was started. The patient presented with acute respiratory tract symptoms during the fifth cycle and subsequently SARS-CoV-2 infection was diagnosed. Chemotherapy was cancelled. Symptoms resolved in three days after diagnosis. SARS-CoV-2 PCR remained positive up to day 43. Antihormonal therapy was introduced on day 19 and she underwent mastectomy with axillary lymph node dissection on day 51. Chemotherapy was reset postoperatively on day 82 with prophylactic G-CSF protection. No adverse event was observed throughout the treatment. Cytotoxic chemotherapy and surgery can be successfully delivered in breast cancer patients with prolonged asymptomatic SARS-CoV-2 PCR positivity, even without negative swab result. Individual optimisation of the therapy may require deviations from standard protocols. Closer multidisciplinary cooperation may contribute to the minimisation of both oncologic and infectious risks.

Open Access: Yes

DOI: 10.1556/650.2021.32192

Mapping doping-related criminal legislation together: An informed stakeholder consultation

Andrea Petróczi Elizabeth Pummell Jan Exner Isaac Lockett

Publication Name: Performance Enhancement and Health

Publication Date: 2026-05-01

Volume: 14

Issue: 2

Page Range: Unknown

Description:

Access to reliable, jurisdiction-specific information on the existence and scope of doping-related criminal legislation is essential for understanding how anti-doping policies are interpreted and enforced globally. While the globally adopted World Anti-Doping Code provides a private regulatory framework for sporting sanctions, governments have introduced doping-related criminal laws that vary in scope, legal form, and underlying rationale. In the absence of a centralised legal resource, navigating this policy space becomes complex and challenging. This study addresses this gap by combining desk research with a multilingual, semi-structured informed stakeholder consultation to map the presence and scope of doping-related criminal legislation, identifying at least thirty-seven jurisdictions that have criminalised doping-related behaviours and enabling the development of five legislative typologies: comprehensive, trafficking-focused, child protection, context-specific, and fraud-based models. These typologies reveal variations in the behaviours targeted, definitions employed, and penalties applied. Such divergences raise important questions about the coherence of global anti-doping efforts, particularly regarding the definition of doping and the interaction between public and private sanctioning. This study also demonstrates the potential viability of a distributed, multi-actor approach to legal data gathering and supports the development of a dynamic, centralised legal database to advance transparency, equity, and evidence-informed anti-doping governance.

Open Access: Yes

DOI: 10.1016/j.peh.2026.100413

Bilateral Asymmetries of Plantar Pressure and Foot Balance During Walking, Running, and Turning Gait in Typically Developing Children

Yaodong Gu Gusztáv Fekete Qichang Mei Zixiang Gao Endre Jánosi Wei Liu Hanhui Jiang Liu Xu Yile Wang Haidan Wu

Publication Name: Bioengineering

Publication Date: 2025-02-01

Volume: 12

Issue: 2

Page Range: Unknown

Description:

Biomechanical asymmetries between children’s left and right feet can affect stability and coordination, especially during dynamic movements. This study aimed to examine plantar pressure distribution, foot balance, and center of pressure (COP) trajectories in children during walking, running, and turning activities to understand how different movements influence these asymmetries. Fifteen children participated in the study, using a FootScan plantar pressure plate to capture detailed pressure and balance data. The parameters, including time-varying forces, COP, and Foot Balance Index (FBI), were analyzed through a one-dimensional Statistical Parametric Mapping (SPM1d) package. Results showed that asymmetries in COP and FBI became more pronounced, particularly during the tasks of running and directional turns. Regional plantar pressure analysis also revealed a more significant load on specific foot areas during these dynamic movements, indicating an increased reliance on one foot for stability and control. These findings suggest that early identification of asymmetrical loading patterns may be vital in promoting a balanced gait and preventing potential foot health issues in children. This study contributes to understanding pediatric foot biomechanics and provides insights for developing targeted interventions to support healthy physical development in children.

Open Access: Yes

DOI: 10.3390/bioengineering12020151

Interfacial bond strength of coloured SCC repair layers: an experimental and optimisation study

Amin Ghodousian Oveys Ghodousian Vahid Shafaie Reyes Garcia

Publication Name: Journal of Structural Integrity and Maintenance

Publication Date: 2023-01-01

Volume: 8

Issue: 3

Page Range: 140-149

Description:

This study investigates experimentally and analytically the interfacial bond strength of coloured SCC repair layers. Ten SCC mixes with 5%, 10% and 15% of blue, green or red pigments were produced to examine their fresh properties. Subsequently, 60 coloured SCC specimens were tested to assess interfacial bond strength using pull-off and push-out tests. The results confirm that pigments reduce the mechanical properties of SCC and its bond strength to concrete substrates, with red pigment reducing (by up to 41%) interfacial bond strength. It is shown that the push-out test is effective to determine the interfacial shear bond strength between the SCC repair layers and substrates. A GNNC-Modified PSO algorithm is proposed to calculate accurately (R2 = 0.95) the interfacial bond strength of coloured SCC repair layers. This study contributes towards developing more effective test methods and more accurate models to calculate interfacial bond strength of the SCC repair layers used in this study.

Open Access: Yes

DOI: 10.1080/24705314.2023.2170620