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Faster Region Convolutional neural network(FRCnn)Based Facial Emotion Recognition

Computers, Materials & Continua 2024年第5期79卷 2427-2448页

作者： J.Sheril Angel A.Diana Andrushia TMary neebha oussama Accouche Louai Saker n.Anand Department of Electronics and Communication Engineering Karunya Institute of Technology and SciencesCoimbatore641114India College of Engineering and Technology American University of the Middle EastEgaila54200Kuwait Department of Civil Engineering Karunya Institute of Technology and SciencesCoimbatore641114India

Facial emotion recognition(fer.has become a focal point of research due to its widespread applications,ranging from human-computer interaction to affective *** traditional fer.techniques have relied on handcrafted features and classification models trained on image or video datasets,recent strides in artificial intelligence and deep learning(DL)have ushered in more sophisticated *** research aims to develop a fer.system using a Faster Region Convolutional neural network(FRCnn)and design a specialized FRCnn architecture tailored for facial emotion recognition,leveraging its ability to capture spatial hierarchies within localized regions of facial *** proposed work enhances the accuracy and efficiency of facial emotion *** proposed work comprises twomajor key components:Inception V3-based feature extraction and FRCnn-based emotion *** experimentation on Kaggle datasets validates the effectiveness of the proposed strategy,showcasing the FRCnn approach’s resilience and accuracy in identifying and categorizing facial *** model’s overall performance metrics are compelling,with an accuracy of 98.4%,precision of 97.2%,and recall of 96.31%.This work introduces a perceptive deep learning-based fer.method,contributing to the evolving landscape of emotion recognition *** high accuracy and resilience demonstrated by the FRCnn approach underscore its potential for real-world *** research advances the field of fer.and presents a compelling case for the practicality and efficacy of deep learning models in automating the understanding of facial emotions.

关键词： Facial emotions FRCnn deep learning emotion recognition face Cnn

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Efficient scar-free knock-ins of several kilobases in plants by engineered CRISpR-Cas endonucleases

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Molecular plant 2024年第5期17卷 824-837页

作者： Tom Schreiber Anja prange petra Schafer.Thomas Iwen Ramona Grutzner Sylvestre Marillonnet Aurelie Lepage Marie Javelle Wyatt paul Alain Tissier Department of Cell and Metabolic Biology Leibniz Institute of Plant BiochemistryWeinberg 306120 Halle(Saale)Germany Limagrain Centre de RechercheRoute d’EnnezatCS 9012663720 ChappesFrance

In plants and mammals,non-homologous end-joining is the dominant pathway to repair DnA doublestrand breaks,making it challenging to generate knock-in *** this study,we identified two groups of exonucleases from the herpes virus and the bacteriophage T7 families that confer.ed an up to 38-fold increase in homology-directed repair frequencies when fused to Cas9/Cas12a in a tobacco mosaic virus-based transient assay in nicotiana *** achieved precise and scar-free insertion of several kilobases of DnA both in transient and stable transformation *** Arabidopsis thaliana,fusion of Cas9 to a herpes virus family exonuclease led to 10-fold higher frequencies of knock-ins in the first generation of *** addition,we demonstrated stable and heritable knock-ins in wheat in 1%of the primary *** together,our results open perspectives for the routine production of heritable knock-in and gene replacement events in plants.

关键词： homology-directed repair knockin gene replacement CRISpR-Cas 50 exonuclease plants

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CSM公司对薄板铸造的研究

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绿洲技术 1989年第2期 21-27页

作者： fer.,A. 刘敏

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Effects of fer.ilization on radial growth of pinus pinea explored hourly using dendrometers

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Ecological processes 2024年第1期 25-39页

作者： Verónica Loewe-Mu?oz Rodrigo del Río Millar Claudia Delard Rodriguez Mónica Balzarini Chilean Forest Institute (InFoR) Metropolitan Office Centro nacional de Excelencia para la Industria de la Madera(CEnAMAD) Pontificia Universidad Católica de Chile Consejo nacional de Investigaciones Científicas y Técnicas (ConICET ) Universidad Nacional de Córdoba Ciudad Universitaria

Background Stone pine(pinus pinea), a drought-resistant species, has significant socio-economic benefits and increasing interest for the establishment of productive plantations in several countries, especially in a climate change context. Monitoring hourly stem diameter variations contributes to the understanding of the tree-growth response to changes in environmental conditions and management. By monitoring the diameter expansion of tree stems, high-resolution band dendrometers were used to study the development of adult trees growing in a semi-arid coastal environment of central Chile under fer.ilized and non-fer.ilized soil conditions through the span of a *** Short cycles(n fer.ilized and non-fer.ilized trees(6 and 4, respectively), whereas long cycles(> 28 h) occurred at a higher frequency in fer.ilized trees(16 vs 6). Most of the circadian cycles were regular(24 ± 3 h). The longest cycle duration(59 h) was observed in fer.ilized trees during spring. In all seasons, each phase of the circadian cycle, especially during the stem diameter increment phase(p3, irreversible growth), started earlier in fer.ilized than in control trees. p3 duration was significantly longer in fer.ilized than in control trees in springtime. The maximum shrinkage(p1) was observed in summer for both treatments. Stem diameter increased faster in fer.tilized than in control trees throughout the year, with the highest accumulation occurring in spring and the lowest in autumn. The daily variability pattern showed lower growth under high temperature across *** This study highlights the importance of fer.ilization in enhancing stone pine diameter growth. This cultural practice should be further explored to contribute to the mitigation of climate change effects in semi-arid environments.

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热带环境下玉米遗传进展三十年

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国外作物育种 1997年第4期16卷 53-57页

作者： fer.,JSC 雷波

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津巴布韦磷酸盐矿床的开发

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化工矿山译丛 1990年第1期 14-17页

作者： fer.,TRC 杨晓芹

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Weak Vertical Diffusion Allows Maintenance of Cold Halocline in the Central Arctic

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Atmospheric and oceanic Science Letters 2009年第3期2卷 148-152页

作者： Ilker fer Geophysical Institute University of Bergen & Bjerknes Centre for Climate ResearchBergen Norway

In spring preceding the record minimum summer ice cover detailed microstructure measurements were made from drifting pack ice in the Arctic ocean, 110 km from the north pole. profiles of hydrography, shear, and temperature microstructure collected in the upper water column covering the core of the Atlantic Water are analyzed to determine the diapycnal eddy diffusivity, the eddy diffusivity for heat, and the turbulent flux of heat. Turbulence in the bulk of the cold halocline layer was not strong enough to generate significant buoyancy flux and mixing. Resulting turbulent heat flux across the upper cold halocline was not significantly differ.nt than zero. The results show that the low levels of eddy diffusivity in the upper cold halocline lead to small vertical turbulent transport of heat, thereby allowing the maintenance of the cold halocline in the central Arctic.

关键词： Arctic ocean cold halocline layer turbulence mixing heat flux Atlantic Water

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Seed priming with MgCl_(2),CaCl_(2),and ZnCl_(2) as a Biofortification Based-Approach Induces Changes in Anise Seedlings Emergence

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phyton-International Journal of Experimental Botany 2023年第8期92卷 2461-2471页

作者： Sibel Day nilüfer.Koçak-Şahin Department of Field Crops Faculty of AgricultureAnkara UniversityAnkara06110Türkiye

Aromatic and medicinal plant species having small seeds haveﬁeld emergence problems due to low nutrient ***,pimpinella anisum seeds were hydro and osmoprimed with 100 mM MgCl_(2),CaCl_(2),and ZnCl_(2),for 2,4,and 8 h each to compare their growth attributes during germination and seedling establishment *** seeds were used as *** hydro and osmo primed seeds were dried for 48 h before,they were sown in plastic trays in growth room conditions to see the impact of treatments on seedling emergence and *** maximum root length(12.90 cm),fresh weight(256.30 mg plant^(-1)),and mean emergence time(MET)were recorded from 8 h MgCl_(2) primed ***,the maximum(97.50,and 98.00%)emergence percentage was observed using 8 h MgCl_(2) primed seeds and nontreated seeds(control treatment).The evaluation of parameters like chlorophyll contents and electrical conductivity showed the 8 h MgCl_(2) priming as the optimum *** evaluation of parameters like chlorophyll contents and electrical conductivity showed the 8 h MgCl_(2) priming as the optimum *** result suggests MgCl_(2) priming worked synergistically and improved seed-ling growth attributes under greenhouse *** chlorophyll content ranged 25.94–35.69 SpAD *** highest chlorophyll content was obtained from the seedlings obtained from 4 h CaCl_(2) treatment,which were statistically similar to the chlorophyll contents of the seedlings obtained after 8 h MgCl_(2) treatment and nontreated seeds(control treatment).All other treatments showed inhibition in the chlorophyll contents and growth attributes of the *** conclusion,MgCl_(2) osmopriming treatments were signiﬁcantly promotive and better compared to hydro-priming and osmopriming treatments including control treatment in terms of anise seeds germination and emergence.

关键词： pimpinella anisum L seed treatment hydropriming osmopriming electrolytes leakage

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Remains of the day:Biliary complications related to single-port laparoscopic cholecystectomy

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World Journal of Gastroenterology 2014年第3期20卷 843-851页

作者： pierre Allemann nicolas Demartines Markus Schfer Department of Visceral Surgery University Hospital CHUV

AIM: To assesse the rate of bile duct injuries (BDI) and overall biliary complications during single-port laparoscopic cholecystectomy (SpLC) compared to conventional laparoscopic cholecystectomy (CLC).

关键词： Bile ducts Cholecystectomy Single port Single incision

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The 3,4-dimethoxybenzyl group as solubilizing protective group for the in situ deprotection/deposition of extended aromatic thiolate monolayers

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nano Research 2023年第1期16卷 1695-1702页

作者： Adrian Wiesner Sonja Katzbach Dariusz Bebej Martina Dettenhöfer.Michael Zharnikov Andreas Terfort Institut für Anorganische und Analytische Chemie Johann Wolfgang Goethe Universität FrankfurtMax-von-Laue-Straße 7Frankfurt am Main D-60438Germany Angewandte physikalische Chemie Universität HeidelbergIm Neuenheimer Feld 253Heidelberg D-69120Germany

While self-assembled monolayers(SAMs)of aromatic thiolates are frequently used in a wide range of applications,their formation is often hampered by the low solubilities of their *** we introduce the 3,4-dimethoxybenzyl group as a protective group for the thiol moiety,which increases the solubility and stability of the precursor,but becomes cleaved off during monolayer formation,especially at elevated temperature(60°C)and in presence of protons(trifluoroacetic acid).For a series of substituted terphenylthiols as model systems,it could be demonstrated by using ellipsometry,infrared-reflection absorption spectroscopy,and scanning-tunneling microscopy that the resulting SAMs have the same structure and quality as the ones obtained from the respective unprotected *** protective group has the additional advantage to be stable under pdcatalyzed C–C bond formation reaction conditions,facilitating the syntheses of the respective precursors.

关键词： self-assembled monolayers protective group solubility scanning-tunneling microscopy infrared-reflection absorption spectroscopy

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