Search alternatives:
optical » optimal (Expand Search)
Showing 101 - 120 results of 3,725 for search 'optical different (method OR methods)', query time: 0.22s Refine Results
  1. 101
  2. 102
  3. 103
  4. 104

    A Novel Approach to Method for the Detection of Optic Disc Location in Retinal Images using Image Processing Techniques by Kemal Adem, Mahmut Hekım, Onur Comert, Selim Demır

    Published 2016-11-01
    “…As a result of the comparison of the findings of these three experiments, the Circular Hough Transform method applied with HSV color space is was found to be more successful by 99.16% accuracy, and therefore it is proposed as a viable method for the detection of optic disc.…”
    Get full text
    Article
  5. 105
  6. 106

    Theoretical Analysis of a Novel WDM Optical Long-Haul Network Using the Split-Step Fourier Method by Mounia Chakkour, Otman Aghzout, Fahd Chaoui

    Published 2020-01-01
    “…In this paper, a new optical transmission model was investigated and developed in order to improve the performance of Wavelength Division Multiplexing optical transmission systems. …”
    Get full text
    Article
  7. 107

    Improvement of Mechanical, Thermal and Optical Properties of Barium Mixed Cobalt Tartrate Hydrate Crystals Grown by Gel Method by S. Vanaja, V. Selvamurugan, P.V. Chandrasekar, R. Krishna Sharma, M. Alagar

    Published 2015-10-01
    “…In this present work, CTH and BCTH crystals have been prepared by gel technique by using single diffusion method at room temperature. The as grown crystals were characterized by using XRD, FT-IR, UV, TG / DTA and Micro hardness studies. …”
    Get full text
    Article
  8. 108

    A Keyframe Extraction Method for Assembly Line Operation Videos Based on Optical Flow Estimation and ORB Features by Xiaoyu Gao, Hua Xiang, Tongxi Wang, Wei Zhan, Mengxue Xie, Lingxuan Zhang, Muyu Lin

    Published 2025-04-01
    “…To address this, we propose a keyframe extraction method tailored for assembly line videos, combining optical flow estimation with ORB-based visual features. …”
    Get full text
    Article
  9. 109

    A Novel Noise-Insensitive Chromatic Dispersion Estimation Method Based on Fractional Fourier Transform of LFM Signals by Wanli Wang, Yaojun Qiao, Aiying Yang, Peng Guo

    Published 2017-01-01
    “…In our method, LFM signals are added on quadrature phase-shift keying (QPSK) and 16 quadrature amplitude modulation (16-QAM) signals with different center frequency offsets. …”
    Get full text
    Article
  10. 110

    Recognition English Letters Using Invariant Moment in Extracting Properties of Images by Hadia Abdullah

    Published 2005-06-01
    “…In this research, a study of printed English characters properties for Optical Character Recognition is done using the invariant moment method to evaluate the character properties due to it’s resistance against the rotation, scaling and shifting work. …”
    Get full text
    Article
  11. 111
  12. 112

    A High-accuracy Alignment Approach for Solar Images of Different Wavelengths by Yun Wang, Kaifan Ji, Zhenyu Jin, Hui Liu

    Published 2025-01-01
    “…Image alignment plays a crucial role in solar physics research, primarily involving translation, rotation, and scaling. The different wavelength images of the chromosphere and transition region have structural complexity and differences in similarity, which poses a challenge to their alignment. …”
    Get full text
    Article
  13. 113
  14. 114

    Employing constant photocurrent method for the study of defects in silicon thin films by Hitendra K. Malik, Sucheta Juneja, Sushil Kumar

    Published 2019-03-01
    “…We have analyzed the optical absorption coefficient from UV spectroscopy and with the help of constant photocurrent method. …”
    Get full text
    Article
  15. 115

    Efficient Frequency-Dependent Newmark-Beta-FDTD Method for Periodic Grating Calculation by Sheng-Bing Shi, Wei Shao, Tu-Lu Liang, Li-Ye Xiao, Xue-Song Yang, Haiyan Ou

    Published 2016-01-01
    “…In this paper, the Newmark-Beta algorithm is introduced into the finite-difference time-domain (FDTD) method in dispersion media, resulting in an unconditionally stable method for periodic metallic grating analysis. …”
    Get full text
    Article
  16. 116
  17. 117

    Microstructure and mechanical properties of 1000 MPa grade deposit metals under different welding methods by Zhilong CAO, Tongbang AN, Yue ZUO, Daoping ZENG, Chengyong MA, Yun PENG

    Published 2025-05-01
    “…The results show that the final weld microstructure of the deposited metal prepared by different welding methods consists of lath martensite, lath bainite, Granular bainite and retained austenite. …”
    Get full text
    Article
  18. 118

    OS-PSO: A Modified Ratio of Exponentially Weighted Averages-Based Optical and SAR Image Registration by Hui Zhang, Yu Song, Jingfang Hu, Yansheng Li, Yang Li, Guowei Gao

    Published 2024-09-01
    “…Optical and synthetic aperture radar (SAR) images exhibit non-negligible intensity differences due to their unique imaging mechanisms, which makes it difficult for classical SIFT-based algorithms to obtain sufficiently correct correspondences when processing the registration of these two types of images. …”
    Get full text
    Article
  19. 119
  20. 120

    Board level BGA and CSP Underfill – diagnostic methods and the potential of using a tensile test and subsequent optical microscopy by Zbyněk Plachý, Anna Pražanová, Attila Géczy, Karel Dušek

    Published 2025-08-01
    “…This work highlights the application of different diagnostic methods already established in other fields of electrical engineering, emphasizing the advantages of tensile testing combined with three-dimensional optical microscopy. …”
    Get full text
    Article