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34 hasil untuk "S. Selvakumar"

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  1. Artikel Jurnal

    Image-based cotton leaf disease diagnosis using YOLO and faster R-CNN techniques

    S. Chinnadurai; S. Selvakumar

    Scientific Reports, Vol. 15 No. 1 · 2025 · Inggris · DOAJ Scopus

    Abstract Cotton has, in recent years, become one of the most important cash crops worldwide while being impacted in yield from leaf disease which generally goes unnoticed in the early stage. Detection methods depend on manual efforts producing slow processes and human errors. Automated detection…

  2. Artikel Jurnal

    Study of the effect of composite constrained layers in vibration damping of plates

    K.S.K. Sasikumar; S. Selvakumar; K.P. Arulshri

    International Journal of Applied Mechanics and Engineering, Vol. 19 No. 1 · 2014 · Inggris · DOAJ Scopus

    To add damping to the system, viscoelastic materials (VEM) are added to structures, in order to enhance damping effects of the VEM, a constraining layer is attached. Due to the addition of the material on the system the fundamental characteristics of the systems are altered much. This paper…

  3. Artikel Jurnal

    Hydrogeochemical characteristics and groundwater contamination in the rapid urban development areas of Coimbatore, India

    S. Selvakumar; N. Chandrasekar; G. Kumar

    Water Resources and Industry, Vol. 17 No. C · 2017 · Inggris · DOAJ Scopus

    The Singanallur Sub-basin is one of the major waterways and it supplies water to the Coimbatore city. Currently, it is vulnerable to pollution due to an increase of unplanned urban developments, industrial, and agricultural activities that compromise both the quality and quantity. In the present…

  4. Artikel Jurnal

    Geospatial multi-criteria decision analysis for vegetation health index mapping and landslide susceptibility assessment

    Nalini Das; Rajendra Kumar Rawat; S. Selvakumar

    Discover Geoscience, Vol. 3 No. 1 · 2025 · Inggris · DOAJ Scopus

    Abstract The Himalayan region’s complex terrain and ecological fragility make it increasingly vulnerable to vegetation stress and landslides, driven by both natural and human factors. This study focuses on a 2663.92 km² area encompassing Rudraprayag, Ukhimath, Gopeshwar, and Joshimath, aiming to…

  5. Artikel Jurnal Teks lengkap

    COMPUTATION OF IMAGE SIMILARITY WITH TIME SERIES

    V. Balamurugan; K. Senthamarai Kannan; S. Selvakumar

    ICTACT Journal on Image and Video Processing, Vol. 2 No. 2 · 2011 · Inggris · DOAJ

    Searching for similar sequence in large database is an important task in temporal data mining. Similarity search is concerned with efficiently locating subsequences or whole sequences in large archives of sequences. It is useful in typical data mining applications and it can be easily extended to…

  6. Artikel Jurnal Teks lengkap

    Mobile Robot Localization and Navigation in Artificial Intelligence: Survey

    G. Nirmala; Dr. S. Geetha; Dr. S. Selvakumar

    Computational Methods in Social Sciences, Vol. 4 No. 2 · 2017 · Inggris · DOAJ

    The potential applications for mobile robots are enormous. The mobile robots must quickly and robustly perform useful tasks in a previously unknown, dynamic and challenging environment. Mobile robot navigation plays a key role in all mobile robot activities and tasks such as path planning. Mobile…

  7. Artikel Jurnal

    Machinability analysis of LM26 aluminium metal matrix composites reinforced with graphite and fly ash using the AWJM process

    C. Prakash; S. Selvakumar; D. Manikandan dkk.

    Scientific Reports, Vol. 15 No. 1 · 2025 · Inggris · DOAJ Scopus

    Abstract The incorporation of various reinforcements in aluminium composites markedly improves their thermal, mechanical, and wear characteristics when compared to composites with a single reinforcement. Nevertheless, heightened hardness presents challenges in machining, rendering traditional…

  8. Artikel Jurnal

    Synthesis, crystal structure and Hirshfeld surface analysis of diacetatobis[4-(2-aminoethyl)morpholine]cadmium tetrahydrate

    B. Chidambaranathan; S. Sivaraj; P. Vijayamathubalan dkk.

    Acta Crystallographica Section E: Crystallographic Communications, Vol. 79 No. 11 · 2023 · Inggris · DOAJ Scopus

    The title coordination compound, [Cd(C2H3O2)2(C6H14N2O)2]·4H2O, was synthesized by mixing 2 moles of 4-(2-aminoethyl)morpholine and 1 mole of cadmium acetate in double-distilled water. The Cd atom is octahedrally coordinated by two N,N′-bidentate ligands [4-(2-aminoethyl)morpholine] and two…

  9. Artikel Jurnal

    Synthesis and characterization of ZnO phytonanocomposite using Strychnos nux-vomica L. (Loganiaceae) and antimicrobial activity against multidrug-resistant bacterial strains from diabetic foot ulcer

    Katherin Steffy; G. Shanthi; Anson S. Maroky dkk.

    Journal of Advanced Research, Vol. 9 No. C · 2018 · Inggris · DOAJ Scopus

    Nanobiotechnology has been emerged as an efficient technology for the development of antimicrobial nanoparticles through an eco-friendly approach. In this study, green synthesized phytonanocomposite of ZnO from Strychnos nux-vomica leaf aqueous extract was characterized by X-ray diffraction…

  10. Artikel Jurnal

    Bearing Fault Vibration Signal Feature Extraction and Recognition Method Based on EEMD Superresolution Sparse Decomposition

    Zhang- Jian; S. Selvakumar Raja; Deng Nan dkk.

    Shock and Vibration, Vol. 2022 · 2022 · Inggris · DOAJ Scopus

    This paper aims at the shortcomings of the current conventional processing methods of bearing fault vibration signals in improving signal-to-noise ratio, fine feature extraction, and recognition. A feature extraction and recognition method of abnormal vibration signals based on Ensemble Empirical…

  11. Artikel Jurnal

    Research on Liquid Flow Rate Detection of Mixed Fluid Based on Vibration Signal Characteristic Analysis of Gas Liquid Two-Phase Flow

    Zhang Jian; S. Selvakumar Raja; Liang Lei dkk.

    Shock and Vibration, Vol. 2023 · 2023 · Inggris · DOAJ Scopus

    The online detection of liquid flow rate in gas-liquid two-phase flow has become an important factor in ensuring the safe operation of gas wells. In this paper, the real-time measurement of liquid holdup in gas-liquid two-phase flow is carried out by analyzing the characteristics of vibration…

  12. Artikel Jurnal

    Ship Trajectory Prediction Based on CNN-MTABiGRU Model

    Xinyu Dong; S. Selvakumar Raja; Jian Zhang dkk.

    IEEE Access, Vol. 12 · 2024 · Inggris · DOAJ Scopus

    To address the limitations of traditional neural networks in extracting ship trajectory sequence features and achieving the required accuracy for ShenZhong Link navigation, this paper proposes an improved model, CNN-MTABiGRU, which integrates a temporal attention mechanism and the Mish activation…

  13. Artikel Jurnal

    Stochastic modeling on M/M/1/N inventory system with queue-dependent service rate and retrial facility

    K. Jeganathan; S. Selvakumar; N. Anbazhagan dkk.

    AIMS Mathematics, Vol. 6 No. 7 · 2021 · Inggris · DOAJ Scopus

    This paper investigates the queue-dependent service rates(QDSR) in the stochastic queueing-inventory system(SQIS). This SQIS consists a single server service channel, S number of inventories, and a finite queue. An arriving customer gets the service immediately if the server is free and there…

  14. Artikel Jurnal

    A MARKOVIAN TWO COMMODITY QUEUEING–INVENTORY SYSTEM WITH COMPLIMENT ITEM AND CLASSICAL RETRIAL FACILITY

    M. Nithya; C. Sugapriya; S. Selvakumar dkk.

    Ural Mathematical Journal, Vol. 8 No. 1 · 2022 · Inggris · DOAJ Scopus

    This paper explores the two-commodity (TC) inventory system in which commodities are classified as major and complementary items. The system allows a customer who has purchased a free product to conduct Bernoulli trials at will. Under the Bernoulli schedule, any entering customer will quickly enter…

  15. Artikel Jurnal Teks lengkap

    Pumping machine fault diagnosis based on fused RDC-RBF

    Bowen Li; S. Selvakumar Raja; Jiajun Li dkk.

    PLOS ONE, Vol. 18 No. 9 · 2023 · Inggris · PLOS Scopus

    At present, the fault diagnosis of pumping units in major oil fields in China is time-consuming and inefficient, and there is no universal problem for high requirements of hardware resources. In this study, a fault fusion diagnosis method of pumping unit based on improved Fourier descriptor (IDF)…

    Juga tersedia di: PubMed Central

  16. Artikel Jurnal

    [4-(2-Aminoethyl)morpholine-κ2N,N′]dibromidocadmium(II): synthesis, crystal structure and Hirshfeld surface analysis

    B. Chidambaranathan; S. Sivaraj; P. Vijayamathubalan dkk.

    Acta Crystallographica Section E: Crystallographic Communications, Vol. 80 No. 3 · 2024 · Inggris · DOAJ Scopus

    The title compound, [CdBr2(C6H14N2O)], was synthesized upon complexation of 4-(2-aminoethyl)morpholine and cadmium(II) bromide tetrahydrate at 303 K. It crystallizes as a centrosymmetric dimer, with one cadmium atom, two bromine atoms and one N,N′-bidentate 4-(2-aminoethyl)morpholine ligand in the…

  17. Artikel Jurnal

    Morpholin-4-ium hydrogen l-tartrate monohydrate

    T. Kishore Kumar; D. Prem Anand; S. Selvakumar dkk.

    Acta Crystallographica Section E, Vol. 68 No. 2 · 2012 · Inggris · DOAJ

    In the title compound, C4H10NO+·C4H5O6−·H2O, the morpholine ring adopts a chair conformation. In the crystal, the tartrate anions are linked via O—H...O hydrogen bonds, forming chains propagating along [101]. These chains are linked via N—H...O and O—H...O hydrogen…

  18. Artikel Jurnal Teks lengkap

    Evaluating the Efficacy of Platelet-rich Plasma Therapy in Chronic Plantar Fasciitis: A Prospective Study on Pain Relief and Functional Improvement

    TM Manohar; P Magesh Babu; S Selvakumar dkk.

    Journal of Orthopedics and Joint Surgery, Vol. 7 No. 2 · 2025 · Inggris · DOAJ

    Introduction: Plantar fascia is a connective tissue structure present on the plantar aspect of the foot, which spans from the calcaneum to the toes. The most common cause of heel pain is plantar fasciitis (PF). PF affects people who are in sports and also middle-aged, obese, inactive people. The…