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A Novel Approach to Breast Tumor Detection: Enhanced speckle Reduction and Hybrid Classification in Ultrasound Imaging

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Computers, Materials & Continua 2024年第5期79卷 1875-1901页

作者： K.Umapathi s.shobana Anand Nayyar Judith justin R.Vanithamani Miguel Villagómez Galindo Mushtaq Ahmad Ansari Hitesh Panchal Department of Biomedical Engineering KIT-Kalaignarkarunanidhi Institute of TechnologyCoimbatore641402India Graduate school Faculty of Information TechnologyDuy Tan UniversityDa Nang550000Viet Nam Department of Biomedical and Instrumentation Engineering Avinashilingam Institute for Home Science and Higher Education forWomenCoimbatore641043India UniversidadMichoacana de sanNicolás de HidalgoAvenida Francisco J.Múgica s/N Ciudad Universitaria MoreliaCP58030Mexico Department of Pharmacology and Toxicology College of PharmacyKing Saud UniversityRiyadh11451Saudi Arabia Department of Mechanical Engineering Gujarat Technological UniveristyNigam NagarChandkhedaAhmedabadGujarat382424India

Breast cancer detection heavily relies on medical imaging, particularly ultrasound, for early diagnosis and effectivetreatment. This research addresses the challenges associated with computer-aided diagnosis (CAD) of breastcancer fromultrasound images. The primary challenge is accurately distinguishing between malignant and benigntumors, complicated by factors such as speckle noise, variable image quality, and the need for precise segmentationand classification. The main objective of the research paper is to develop an advanced methodology for breastultrasound image classification, focusing on speckle noise reduction, precise segmentation, feature extraction, andmachine learning-based classification. A unique approach is introduced that combines Enhanced speckle ReducedAnisotropic Diffusion (sRAD) filters for speckle noise reduction, U-NET-based segmentation, Genetic Algorithm(GA)-based feature selection, and Random Forest and Bagging Tree classifiers, resulting in a novel and efficientmodel. To test and validate the hybrid model, rigorous experimentations were performed and results state thatthe proposed hybrid model achieved accuracy rate of 99.9%, outperforming other existing techniques, and alsosignificantly reducing computational time. This enhanced accuracy, along with improved sensitivity and specificity,makes the proposed hybrid model a valuable addition to CAD systems in breast cancer diagnosis, ultimatelyenhancing diagnostic accuracy in clinical applications.

关键词： Ultrasound images breast cancer tumor classification segmentation deep learning lesion detection

seismic attribute and well-log analysis for channel characterization in the upper san Andres and Grayburg formations of the Midland Basin,Texas

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Energy Geoscience

Energy Geoscience 2024年第2期5卷 263-278页

作者： sumit Verma Esra Yalçın Yılmaz Laura Ortiz sanguino justin Yandell Miles A.Henderson Robert C.Trentham Department of Geosciences The University of Texas Permian BasinOdessaTXUSA school of Geosciences The University of OklahomaNormanOKUSA

The Permian Basin is one of the most prolific,and currently one of the most active,oil and gas basins in the *** Lower Permian strata in the Permian Basin have produced more than 14 billion barrels of oil(BBO),making it the largest volume of hydrocarbon in the *** in the Midland Basin during late Leonardian through early Guadalupian(ca.272e269 Ma)resulted in progradation of shelf edge and ultimately closure of the basin by Middle Permian *** analyzed a merged seismic survey covering parts of the Permian Basin(i.e.,Central Basin Platform and Midland Basin)in Andrews,Ector,and Midland Counties,*** seismic survey and well logs show the presence of gently dipping(ca.1°)clinoforms in the Upper san Andres and Grayburg Formations on the eastern edge of the Central Basin Platform and western Midland *** seismic attributes,curvature,and spectral decomposition identify low sinuosity slope channels oriented north-south,but such channels do not appear beyond the *** shelf edge shifts from north to south during deposition of the Upper san Andres and Grayburg *** identify five basinward shifts noted by the migration of the shelf edge toward the basin center and the presence of channel features along the depositional *** petrophysical analysis indicates that channels cut into carbonate rocks and are filled by siliciclastic sediments;this interpretation is supported by the most negative curvature anomalies along the channel axes caused by the differential compaction between the carbonate and siliciclastic *** are a few channels with a northwest-southeast strike,which matches the direction of the Concho Lineament observed by satellite *** observations are consistent with previous interpretations of the northern Midland Basin closure during Middle-Late Permian time.

关键词： Permian shelf carbonate

water scarcity in Conakry, Guinea: Challenges and Proposed strategies for a way Forward

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Journal of water Resource and Protection 2024年第4期16卷 264-280页

作者： Bernard Lassimo Diawara Gerald D. s. Quoie Jr Zhuo Li justin Junior Loua College of Environmental science and Engineering Tongji University Shanghai China UNEP-Tongji Institute of Environment for sustainable Development Tongji University Shanghai China state Key Laboratory of Pollution Control and Resources Reuse Tongji University Shanghai China Business school Sichuan University Chengdu China

The capital of Guinea, Conakry, faces a notable difficulty due to a water shortage, which is worsened by the rapid increase in population and urban development. The Guinean water Company (sEG) faces challenges in supplying water to the entire city due to its limited area of approximately 420 kmsup>2sup> and a population of 2 million. Moreover, the population growth rate is anticipated to increase dramatically, exacerbating the difficulty of fulfilling future water requirements. As a result, this study employs data from the Knoema website and the Institute of National statistics of Guinea (INs) to examine the water production and distribution process by the sEG. The study examines the challenges related to water scarcity in Conakry and suggests strategies to assist the city in managing the present circumstances and planning for the future. The primary objective is to get a long-lasting water supply and uphold water quality to advance public health.

关键词： water scarcity Conakry Population Growth sDGs sEG

Experiment and simulation to determine the optimum orientation of building-integrated photovoltaic on tropical building façades considering annual daylight performance and energy yield

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Energy and Built Environment 2024年第3期5卷 414-425页

作者： Rizki A.Mangkuto Dhian Nur Aziz T.Tresna Ikhwan M.Hermawan justin Pradipta Nurul Jamala Beta Paramita Atthaillah Building Physics Research Group Faculty of Industrial TechnologyInstitut Teknologi BandungLabtek VIJl.Ganesha 10Bandung 40132Indonesia Engineering Physics Program Faculty of Industrial TechnologyInstitut Teknologi BandungLabtek VIJl.Ganesha 10Bandung 40132Indonesia Engineering Physics Research Group Faculty of Industrial TechnologyInstitut Teknologi BandungLabtek VIJl.Ganesha 10Bandung 40132Indonesia Department of Architecture Faculty of EngineeringHasanuddin UniversityJl.Poros Malino Km.6Gowa 92171Indonesia Architecture study Program Faculty of Technology and Vocational EducationUniversitas Pendidikan IndonesiaJl.Dr.Setiabudhi 229Bandung 40152Indonesia Architecture Program Faculty of EngineeringUniversitas MalikussalehJl.Cot Teungku NieAceh Utara 24355Indonesia

Building-Integrated Photovoltaic(BIPV)on vertical façades is a potential PV application in today’s *** performance of BIPV on façades is significantly influenced by the façade *** tropical cities,the optimum façade orientation,in terms of maximum energy yield and daylight performance,cannot be simply determined,due to relatively symmetrical sun path throughout the *** study therefore aims to determine the optimum orientation for BIPV on tropical building faç*** achieve the objective,experiment,modelling,and computational simulation are conducted to evaluate the BIPV energy yield and to predict the indoor daylight performance in a scale-model building with a 105wp monocrystalline silicon PV,facing each cardinal orienta-tion in Bandung,*** south orientation yields practically zero AsE_(1000,250),providing the best annual daylight performance,and yielding the most desirable value in four out of five daylight *** greatest annual energy yield is at the North orientation,providing 179-186 kwh(95%prediction interval)per year,but with larger uncertainty compared to that at the south,due to direct sunlight *** on three different objective functions,the south orientation is considered optimum for placing the BIPV panel on the prototype façade in the location.

关键词： Building-integrated photovoltaic Orientation Daylight metric Energy yield Tropical building façade

Nutraceutical Potentiality of Fruits of Red Variety of Pseudospondias microcarpa (A. Rich) Engl.

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Food and Nutrition sciences 2024年第3期15卷 224-234页

作者： Babouongolo sévère-Grébel Niang Lahat Nkounkou-Loumpangou Célestine Bonazaba Milandou Longin justin Clair Ouamba Jean-Maurille Plant and Life Chemistry Unit (UC2V in French) Faculty of Science and Techniques University Marien Ngouabi Brazzaville Republic of the Congo Eau-Energie-Environnement and Industrial Processes Laboratory (LE3PI in French) University of Dakar Dakar Sénégal

The red fruits of Pseudospondias microcarpa (A. Rich) Engl. are widely consumed by the populations of northern Congo for their sweet and tangy flavor as well as for their characteristic smell. The objective of this study was to show the food potential of the fruits of this plant for their valorization. Organic solvent extracts were prepared and subjected to phytochemical screening to determine the nutrients and phytonutrients of this fruit. Raw juice was extracted by trituration without adding water and subjected to physicochemical and biochemical analyses in order to determine its quality and its antiradical activity. The raw juice obtained is moderately acidic (pH 3.28), very cloudy and colored (turbidity of 1019 NTU). It has a dry matter content of 3.771% ± 0.013% reflecting the 70% dominance of water in the weight of the fruit and the presence of dissolved organic matter in its juice. Energy nutrients (sugars, amino acids), carotenoids, coumarins, tannins, flavonoids, terpenes and sterols have been highlighted as nutrients with therapeutic potential commonly called phytonutrients of this fruit. The juice presented a dominance in polyphenols (134.8500 ± 0.0023 mg gallic acid/100 g) than in carotenoids (5.100 ± 0.010 mg carotene/100 g), high levels of mineral macroelements (calcium: 3570.00 ± 2.05 mg and potassium: 4576.00 ± 9.49 mg) and trace elements (copper: 11.13 ± 0.10 mg, iron: 3.02 ± 0.03 mg and zinc: 2.57 ± 0.08 mg). These compounds exhibited good antioxidant activity. The presence of these nutrients and phytonutrients in these fruits is interesting for the proper functioning of certain organs and the prevention of certain diseases. This fruit is therefore an energizing and functional food that can compete with conventional fruits whose juices are marketed.

关键词： Alicament Fruit Juice Pseudospondias microcarpa Phytochemistry

Cognitive function among military veterans with sTEM occupations

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Military Medical Research 2024年第2期11卷 308-310页

作者： justin T.McDaniel Kevin N.Hascup Erin R.Hascup Ugochukwu G.Ezigbo Amanda M.weidhuner Harvey Henson David L.Albright Dale and Deborah smith Center for Alzheimer's Research and trEatment(CARE) Southern Illinois University School of MedicineSpringfieldIL 62794USA sTEM Education Research Center Southern Illinois UniversityCarbondaleIL 62901USA Department of Political science The University of AlabamaTuscaloosaAL 35487USA

Dear Editor,There is limited research on the relationship between science,technology,engineering,and mathematics(sTEM)occupational history and cognitive function in later life,especially among military veterans,who may be at greater risk for later-life cognitive *** study examines a nationally representative sample of military veterans to address this gap in knowledge.

关键词： Alzheimer's disease Veterans science technology engineering and mathematics(sTEM) Animal fluency test Dementia

Low-Level Antibiotic Resistance among staphylococcus aureus and Gram-Negative Pathogens from Infected skin and soft Tissues in Rural Kenya

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Open Journal of Medical Microbiology 2024年第1期14卷 23-38页

作者： justin Nyasinga Zubair Munshi Lillian Musila Ephantus Mbugua Geoffrey Omuse Gunturu Revathi Department of Pathology Aga Khan University Nairobi Kenya Department of Biomedical sciences and Technology Technical University of Kenya Nairobi Kenya Institute of science Technology and Innovation Pan-African University Nairobi Kenya United states Army Medical Research Directorate—Africa Nairobi Kenya

Introduction: Bacterial skin and soft tissue infections (ssTIs) are a cause of frequent inpatient and outpatient care visits whose causative agents are associated with a high antimicrobial resistance burden. For insights on antimicrobial susceptibilities in a rural setting, we examined specimens from suspected ssTIs from two public health facilities in Kenya. we additionally assessed antibiotic use, appropriateness of empiric therapy and risk factors for ssTI. Methodology: Between 2021 and 2023, 265 patients at Kisii and Nyamira County Referral hospitals were enrolled. wound swabs/aspirates were collected and processed following standard microbiological procedures. Identification and antimicrobial susceptibility were performed using the VITEK 2 Compact platform. Demographic, clinical, and microbiological data were analyzed with R statistical software. Results: s. aureus was isolated in 16.2% (43/265) of patients with a methicillin resistance (MRsA) proportion of 14% (6/43). while 13/15 drugs elicited susceptibilities ranging from 84% - 100%, penicillin (16%) and trimethoprim-sulfamethoxazole [TMP-sXT] (23%) yielded the lowest susceptibilities. Escherichia coli (n = 33), Klebsiella pneumoniae (n = 8), Pseudomonas aeruginosa (n = 8), and Citrobacter species (n = 4) were the most commonly isolated gram-negative species. Gram-negative strains showed high susceptibilities to most of the tested drugs (71% - 100%) with the exception of ampicillin (18%), TMP-sXT (33%), and first and second generation cephalosporins. Conclusions: The low MRsA prevalence and generally high antibiotic susceptibilities for s. aureus and gram-negative bacteria present opportunities for antibiotic stewardship in the study setting. Diminished susceptibilities against penicillin/ampicillin and TMP-sXT accord with prevailing local data and add a layer of evidence for their cautious empiric use.

关键词： s. aureus MRsA Gram-Negative Bacteria Antimicrobial Resistance ssTIs Kenya

害怕与众不同?记住这个短语,让你有勇气说出该说的话

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空中英语教室（高级版．彭蒙惠英语） 2024年第3期 8-9,39页

作者： justin Bariso 不详

让我给你讲讲弗兰克的故事。我和弗兰克共事了几年,你可能会形容他是一个“难相处”的人。弗兰克为人和善,但也敢于直言不讳地说出自己的意见,尤其是在他认为某些事情不对的时候。如果他认为这样做能挽救局面,他就不怕惹点儿事。有时,... 详细信息

让我给你讲讲弗兰克的故事。我和弗兰克共事了几年,你可能会形容他是一个“难相处”的人。弗兰克为人和善,但也敢于直言不讳地说出自己的意见,尤其是在他认为某些事情不对的时候。如果他认为这样做能挽救局面,他就不怕惹点儿事。有时,弗兰克会无意间惹恼别人。有些人误解了他的意图,但大多数人都欣赏他的率真。

关键词：弗兰克直言不讳率真

Analysis of Public sentiment regarding COVID-19 Vaccines on the social Media Platform Reddit

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Journal of Computer and Communications 2024年第2期12卷 80-108页

作者： Lucien Dikla Ngueleo Jules Pagna Disso Armel Ayimdji Tekemetieu justin Moskolaï Ngossaha Michael Nana Kameni African Institute for Mathematical sciences (AIMs)/AIMs-Cameroon Limbe Cameroon Department of Mathematics and Computer science Faculty of Science University of Douala Douala Cameroon wMG (warwick Manufacturing Group) University of Warwick Coventry UK school of Information studies McGill University Montreal Canada

This study undertakes a thorough analysis of the sentiment within the r/Corona-virus subreddit community regarding COVID-19 vaccines on Reddit. we meticulously collected and processed 34,768 comments, spanning from November 20, 2020, to January 17, 2021, using sentiment calculation methods such as TextBlob and Twitter-RoBERTa-Base-sentiment to categorize comments into positive, negative, or neutral sentiments. The methodology involved the use of Count Vectorizer as a vectorization technique and the implementation of advanced ensemble algorithms like XGBoost and Random Forest, achieving an accuracy of approximately 80%. Furthermore, through the Dirichlet latent allocation, we identified 23 distinct reasons for vaccine distrust among negative comments. These findings are crucial for understanding the community’s attitudes towards vaccination and can guide targeted public health messaging. Our study not only provides insights into public opinion during a critical health crisis, but also demonstrates the effectiveness of combining natural language processing tools and ensemble algorithms in sentiment analysis.

关键词： COVID-19 Vaccine TextBlob Twitter-RoBERTa-Base-sentiment sentiment Analysis Latent Dirichlet Allocation