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Evaluating MobileNetV2 Architecture for Resource-Efficient Facial Emotion Recognition 基于资源高效面部情感识别的MobileNetV2架构评估
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-21 DOI: 10.1007/s40009-025-01671-w
Kanta Prasad Sharma, Tapsi Nagpal, K. N. Raja Praveen, Anupam Yadav, Jacquline Tham, Nilesh Bhosle, Sankara Rao Palla, Mayank Chauhan
{"title":"Evaluating MobileNetV2 Architecture for Resource-Efficient Facial Emotion Recognition","authors":"Kanta Prasad Sharma,&nbsp;Tapsi Nagpal,&nbsp;K. N. Raja Praveen,&nbsp;Anupam Yadav,&nbsp;Jacquline Tham,&nbsp;Nilesh Bhosle,&nbsp;Sankara Rao Palla,&nbsp;Mayank Chauhan","doi":"10.1007/s40009-025-01671-w","DOIUrl":"10.1007/s40009-025-01671-w","url":null,"abstract":"<div><p>Facial Emotion Recognition (FER) is a vital field within computer vision, focusing on classifying emotions based on facial expressions. This study investigates the performance of the MobileNetV2 model for FER, leveraging transfer learning to enhance its effectiveness. Pre-trained on the ImageNet dataset, MobileNetV2 was fine-tuned with additional layers to classify seven emotional categories from the FER-2013 dataset: happiness, sadness, anger, fear, surprise, disgust, and neutrality. Performance was evaluated using key metrics, including accuracy, AUC, and RMSE. The model achieved an accuracy of 73.82%, an AUC of 95.16%, and an RMSE of 11.37. These results underscore its efficiency and suitability for devices with limited computational resources, making it an ideal candidate for real-time applications. This research highlights MobileNetV2's potential as a cost-effective and efficient solution for emotion analysis in human–computer interaction.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 5","pages":"715 - 719"},"PeriodicalIF":1.1,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling of Electric Vehicle Fast Charging Station Integrating Renewable Energy Using Monte Carlo Simulation 基于蒙特卡罗仿真的集成可再生能源的电动汽车快速充电站建模
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-21 DOI: 10.1007/s40009-025-01667-6
Merry Cherian, A. Immanuel Selvakumar
{"title":"Modelling of Electric Vehicle Fast Charging Station Integrating Renewable Energy Using Monte Carlo Simulation","authors":"Merry Cherian,&nbsp;A. Immanuel Selvakumar","doi":"10.1007/s40009-025-01667-6","DOIUrl":"10.1007/s40009-025-01667-6","url":null,"abstract":"<div><p>The massive growth in the electric vehicle market necessitates the need of constructing optimal charging station. The principal focus of the paper is modelling of fast-charging station integrating solar and wind energy to reduce the impacts on grid, to improve the profit on electric vehicle charging station and solution to range anxiety. The study has been carried out for the latitude 10.9362˚ North and longitude 76.7441˚East where solar and wind energy sources are plentiful. The entire simulation regarding Electric vehicle charging station operation is performed using Monte Carlo method in Matlab programming. The modelling parameters such as energy required to charge the Electric vehicle, wind and solar energy production are done through probability distributions. The results indicate that net present value evaluated for 20 years in the modelling of electric vehicle fast charging station integrating renewable energy is more compared with charging station incorporating only grid power. Also the cash outgoing in the Electric vehicle charging station modelling while incorporating only grid power is very high when compared with using both grid and renewable energy in the charging station. When the cash outgoing is more, the energy taken from the grid is more and there by less profit is obtained. The modelling of charging station utilizing wind and solar power along with grid power results in more profit.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 5","pages":"689 - 693"},"PeriodicalIF":1.1,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Material Evaluation for Shear Walls in (G+17) Residential Buildings Across Indian Seismic Zones using ETABS 2021 使用ETABS 2021对印度地震带（G+17）住宅剪力墙材料进行评估
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-20 DOI: 10.1007/s40009-025-01647-w
Kamal Singhai, Abhay Kumar Jha, Karan Singhai, Neeraj Tiwari
{"title":"Material Evaluation for Shear Walls in (G+17) Residential Buildings Across Indian Seismic Zones using ETABS 2021","authors":"Kamal Singhai,&nbsp;Abhay Kumar Jha,&nbsp;Karan Singhai,&nbsp;Neeraj Tiwari","doi":"10.1007/s40009-025-01647-w","DOIUrl":"10.1007/s40009-025-01647-w","url":null,"abstract":"<div><p>This study evaluates the performance of three different shear wall materials—Reinforced Concrete (RC), Steel (Fe345), and Concrete Block in a (G+17) residential building across Indian seismic zones III, IV, and V. Using ETABS 2021 software and the Equivalent Static Method as per IS 1893-2016, the research analyzes the optimized central core shear wall configuration determined in a previous study. Key parameters examined include story displacement, story stiffness, and fundamental time period. Results indicate that RC shear walls consistently outperform steel and concrete block alternatives across all seismic zones, achieving minimum story displacements of 8.5 mm, maximum story stiffness of 3,029,274 kN/m, and a fundamental time period of 0.834 s. Compared to Steel and Concrete Block shear walls, RC walls demonstrated 30–40% higher stiffness and 15–20% lower displacements across all seismic zones. The study provides valuable insights for structural engineers and architects, offering evidence-based recommendations for shear wall material selection in high-rise residential buildings across various seismic regions in India.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 4","pages":"545 - 550"},"PeriodicalIF":1.1,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Male Genital Morphology to Distinguish Species of the Family Nymphalidae (Insects: Lepidoptera) with a Geometric Morphometric Analysis 用雄性生殖器官的几何形态分析来区分蛱蝶科（昆虫：鳞翅目）的种类
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-20 DOI: 10.1007/s40009-025-01643-0
Romila Devi, Pawan Kumar
{"title":"Using Male Genital Morphology to Distinguish Species of the Family Nymphalidae (Insects: Lepidoptera) with a Geometric Morphometric Analysis","authors":"Romila Devi,&nbsp;Pawan Kumar","doi":"10.1007/s40009-025-01643-0","DOIUrl":"10.1007/s40009-025-01643-0","url":null,"abstract":"<div><p>The present study involved an initial examination of the species focussing on external genital morphology, followed by the landmark-based geometric morphometry to evaluate the shape variation of external male genitalia, specifically the valvae of six species; <i>Aulocera swaha</i> (Kollar, [1844]), <i>Aulocera padma</i> (Kollar, 1844), <i>Callerebia annada</i> (Moore, 1858), <i>Callerebia nirmala</i> (Moore, 1865)<i>, Lethe rohria</i> (Fabricius, 1787) and <i>Lethe verma</i> (Kollar, 1844). We observed significant differences in the male genital valve morphology among six species (Wilks’ λ = 0.007, <i>p</i> &lt; 0.001). The principal component analysis produced significant shape variables for total variance and covariance (PC1 = 53.54%) and (PC2 = 39.79%). In taxonomic and systematic investigations, geometric morphometrics is a well-established tool that provides a strong statistical method for examining form variation and covariation. By comparing the genital morphology of males in a few chosen species, the objective of this study was to determine how well geometric morphometrics can supplement existing taxonomic methods.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 4","pages":"523 - 528"},"PeriodicalIF":1.1,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Distribution Record of the Congaturi Halfbeak Hyporhamphus limbatus (Valenciennes, 1847) from Wainganga River of Maharashtra, India 印度马哈拉施特拉邦Wainganga河conaturi Halfbeak Hyporhamphus limbatus （Valenciennes, 1847）分布新记录
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-19 DOI: 10.1007/s40009-025-01675-6
Rinkesh N. Wanjari, Tasaduq H. Shah, Prashant A. Telvekar, Farooz A. Bhat, Karankumar K. Ramteke, Dhanalakshmi M.
{"title":"New Distribution Record of the Congaturi Halfbeak Hyporhamphus limbatus (Valenciennes, 1847) from Wainganga River of Maharashtra, India","authors":"Rinkesh N. Wanjari,&nbsp;Tasaduq H. Shah,&nbsp;Prashant A. Telvekar,&nbsp;Farooz A. Bhat,&nbsp;Karankumar K. Ramteke,&nbsp;Dhanalakshmi M.","doi":"10.1007/s40009-025-01675-6","DOIUrl":"10.1007/s40009-025-01675-6","url":null,"abstract":"<div><p>This study documents the presence of congaturi halfbeak <i>Hyporhamphus limbatus</i> (Valenciennes, 1847), belonging to Hemiramphidae family, for the first time in the Wainganga River of Maharashtra State, India. Three specimens were collected from the river near Kardha village in Bhandara district, on November 10th, 2022. The collected specimens ranged from 221.31 mm to 243.95 mm in length and 279.62 to 314.23 g in weight. 20 morphometric and 6 meristic traits were examined using standard keys. The presence of the congaturi halfbeak along the Wainganga River signifies an extension of its geographical distribution. This publication provides essential insights into <i>H. limbatus</i> occurrence and briefly describes the collected specimens in the Wainganga River, Maharashtra.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 5","pages":"741 - 745"},"PeriodicalIF":1.1,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Scientific Report on the Nursery Insect Pests of Eastern Himalayan Poplar (Populus gamblei Dode) from North-East India 印度东北东喜马拉雅杨苗圃害虫科学报告
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-17 DOI: 10.1007/s40009-025-01639-w
Prasun Karmakar, Karma Gyalpo Bhutia, Akshay Mishra
{"title":"A Scientific Report on the Nursery Insect Pests of Eastern Himalayan Poplar (Populus gamblei Dode) from North-East India","authors":"Prasun Karmakar,&nbsp;Karma Gyalpo Bhutia,&nbsp;Akshay Mishra","doi":"10.1007/s40009-025-01639-w","DOIUrl":"10.1007/s40009-025-01639-w","url":null,"abstract":"<div><p>The infestation and biology of nursery insect pests, the Poplar defoliator <i>Clostera fulgurita</i> (Walker, 1865) (<i>Lepidoptera</i>: <i>Notodontidae</i>) and the Common leopard butterfly, <i>Phalanta phalantha</i> (Drury, [1773]) (<i>Lepidoptera</i>: <i>Nymphalidae</i>), of <i>Populus gamblei</i> plants, is reported from North-eastern India in this short communication. This is the first scientific report on the nursery insect pests of <i>P. gamblei</i> plants from North-East India. The <i>C. fulgurita</i> larvae defoliated <i>P. gamblei</i> plants in nurseries during the pre-monsoon (May–June) season and <i>P. phalantha</i> larvae defoliated <i>P. gamblei</i> plants in nurseries in monsoon (July–August) season, causing drying and death of plants. The percentage infestation of <i>P. gamblei</i> nursery plants by <i>C. fulgurita</i> and <i>P. phalantha larvae</i> was 43.70% and 36.33%, respectively. Among the surveyed plants, the frequency of severely infested plants (61–100% damage) was higher for <i>Clostera fulgurita</i>-infested plants in May–June compared to <i>Phalanta phalantha</i>-infested plants in July–August.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 4","pages":"495 - 499"},"PeriodicalIF":1.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study of Galois LCD Codes Over a Family of Non-chain Rings 非链环上伽罗瓦液晶码的研究
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-16 DOI: 10.1007/s40009-025-01641-2
Rishi Raj, Sachin Pathak, Marbarisha M. Kharkongor, Dipendu Maity
{"title":"A Study of Galois LCD Codes Over a Family of Non-chain Rings","authors":"Rishi Raj,&nbsp;Sachin Pathak,&nbsp;Marbarisha M. Kharkongor,&nbsp;Dipendu Maity","doi":"10.1007/s40009-025-01641-2","DOIUrl":"10.1007/s40009-025-01641-2","url":null,"abstract":"<div><p>Let <span>(mathcal {R}_lambda = mathbb {F}_q + s_1mathbb {F}_q + s_2mathbb {F}_q + ldots + s_lambda mathbb {F}_q)</span>, where <span>(s_rho ^2 = s_rho)</span> and <span>(s_rho s_varphi = s_varphi s_rho = 0)</span> for <span>(rho , varphi = 1, 2, ldots , lambda)</span> with <span>(rho ne varphi)</span>, and <span>(q = p^e)</span>, where <i>p</i> is an odd prime and <i>e</i> is a positive integer. In this article, we have shown that if <span>(q&gt; 3)</span>, then any linear code <span>(mathcal {C})</span> over <span>(mathbb {F}_q)</span> is equivalent to a Euclidean linear complementary dual (LCD) code, and if <span>(0 le ell le e)</span>, then the code <span>(mathcal {C})</span> is equivalent to an <span>(ell)</span>-Galois LCD code.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 4","pages":"507 - 514"},"PeriodicalIF":1.1,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On 3D Printing of 17-4 PH SS Rectangular Waveguides with Laser Powder Bed Fusion 激光粉末床融合技术3D打印17-4 PH SS矩形波导的研究
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-16 DOI: 10.1007/s40009-025-01642-1
Bharat Kalia, Rupinder Singh
{"title":"On 3D Printing of 17-4 PH SS Rectangular Waveguides with Laser Powder Bed Fusion","authors":"Bharat Kalia,&nbsp;Rupinder Singh","doi":"10.1007/s40009-025-01642-1","DOIUrl":"10.1007/s40009-025-01642-1","url":null,"abstract":"<div><p>Laser powder bed fusion (LPBF) is one of the promising techniques for fabricating prototypes with acceptable dimensional accuracy. However, little has been reported on the fabrication of rectangular waveguides (WR) by LPBF using 17-4 precipitate-hardened (PH) stainless steel (SS). This study reports the fabrication of WR (1.0 mm × 0.3 mm) with 17-4 PH SS by LPBF at laser power (LP) 120W, scanning speed (ScS) 1200 mm/s, hatch distance (HD) 50 µm, and layer thickness (LT) 30 µm for resonance frequency (R<sub>f</sub>) applications in terahertz (THz) frequency range of the electromagnetic spectrum. The results based on scanning electron microscopy (SEM) suggest that the LPBF at the selected parameters resulted in surface roughness (Ra) and dimensional deviation (Δd) in the range of 0.43–0.52 µm and + 0.010/− 0.030 mm.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 4","pages":"515 - 522"},"PeriodicalIF":1.1,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Species of the Jumping Spider Genus Irura Peckham & Peckham, 1901 (Araneae: Salticidae) from India 印度跳蛛属Irura Peckham & Peckham一新种，1901（蜘蛛目：跳蛛科）
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-14 DOI: 10.1007/s40009-025-01662-x
Puthoor Pattammal Sudhin, Souvik Sen
{"title":"A New Species of the Jumping Spider Genus Irura Peckham & Peckham, 1901 (Araneae: Salticidae) from India","authors":"Puthoor Pattammal Sudhin,&nbsp;Souvik Sen","doi":"10.1007/s40009-025-01662-x","DOIUrl":"10.1007/s40009-025-01662-x","url":null,"abstract":"<div><p>A new species of the genus <i>Irura</i> Peckham &amp; Peckham, 1901, <i>I. meghalaya</i> spec. nov. (♀) is described from the Meghalaya state of India. Detailed morphological descriptions and illustrations, as well as the current distribution of the genus in India, are provided.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 5","pages":"659 - 662"},"PeriodicalIF":1.1,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Record of Macrorhynchia gravelyi Mammen, 1965 (Hydrozoa: Leptothecata: Aglaopheniidae) from Andaman and Nicobar Islands, India 印度安达曼和尼科巴群岛Macrorhynchia gravelyi Mammen， 1965新记录（水螅目：细肢纲：aglaheniidae）
IF 1.1 4区 综合性期刊
National Academy Science Letters Pub Date : 2025-05-14 DOI: 10.1007/s40009-025-01661-y
Oishinee Chakraborty, C. Raghunathan
{"title":"New Record of Macrorhynchia gravelyi Mammen, 1965 (Hydrozoa: Leptothecata: Aglaopheniidae) from Andaman and Nicobar Islands, India","authors":"Oishinee Chakraborty,&nbsp;C. Raghunathan","doi":"10.1007/s40009-025-01661-y","DOIUrl":"10.1007/s40009-025-01661-y","url":null,"abstract":"<div><p>The present study reports the first occurrence of the data-deficient hydrozoan, <i>Macrorhynchia gravelyi</i> Mammen, 1965 from Andaman and Nicobar Islands, along with the first comprehensive description of the species after its initial discovery from South India and the first illustration of its gonotheca. Comparisons with <i>M. philippina</i> and <i>M. phoenicea</i> revealed that the species is easily distinguishable based on its small size and characteristic gonotheca. The species is considered to be a shallow water species, with all occurrence reports being &lt; 9 m during the study, commonly growing on substrates such as dead octocoral skeletons, calcareous rock and rubble. Caprellid amphipods are recorded as common associates of the species in the Islands, observed clinging to the colonies.</p></div>","PeriodicalId":717,"journal":{"name":"National Academy Science Letters","volume":"49 5","pages":"653 - 658"},"PeriodicalIF":1.1,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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