Showing 881 - 900 results of 1,026 for search '"Digital image processing"', query time: 0.20s Refine Results
  1. 881

    Prediction of the Nitrogen Content of Rice Leaf Using Multi-Spectral Images Based on Hybrid Radial Basis Function Neural Network and Partial Least-Squares Regression by Yawen Wu, Saba J. Al-Jumaili, Dhiya Al-Jumeily, Haiyi Bian

    Published 2022-11-01
    “…Moreover, this paper depicted three primary points as the following: First, collect images of rice leaves (RL) from a controlled condition experimental laboratory and new shoot leaves in different stages in the visible light spectrum, and apply digital image processing technology to extract the color characteristics of RL and the morphological characteristics of the new shoot leaves. …”
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  2. 882

    Red cabbage extract-mediated colorimetric sensor for swift, sensitive and economic detection of urease-positive bacteria by naked eye and Smartphone platform by Cagla Celik, Naim Yagiz Demir, Memed Duman, Nilay Ildiz, Ismail Ocsoy

    Published 2023-02-01
    “…We further developed a 3D-printed smartphone platform with smartphone based digital image processing software to improve the detection limit and shorten the detection time. …”
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  3. 883

    DISCRETE ATOMIC COMPRESSION OF DIGITAL IMAGES by Iryna Victorivna Brysina, Victor Olexandrovych Makarichev

    Published 2018-12-01
    “…In this article, we use the methods of digital image processing, atomic function theory, and approximation theory. …”
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  4. 884

    BUILDING EDGE DETECTION FROM VERY HIGH-RESOLUTION REMOTE SENSING IMAGERY USING DEEP LEARNING by D. Prabhakar, P. K. Garg

    Published 2023-09-01
    “…Therefore, throughout the development of digital image processing, numerous edge detectors have been created, each with its own unique set of mathematical and algorithmic properties. …”
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  5. 885

    Experimental and Numerical Investigation of 3D Dam-Break Wave Propagation in an Enclosed Domain with Dry and Wet Bottom by Selahattin Kocaman, Stefania Evangelista, Hasan Guzel, Kaan Dal, Ada Yilmaz, Giacomo Viccione

    Published 2021-06-01
    “…The present research analyzes the propagation of the positive and negative wave originated by the dam-break, as well as the wave reflection against the channel’s downstream closed boundary. Digital image processing was used to track water surface patterns, and ultrasonic sensors were positioned at five different locations along the channel in order to obtain water stage hydrographs. …”
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  6. 886

    Determinants of Conductive Hearing Loss in Tympanic Membrane Perforation by Hanaro Park, Seung No Hong, Hyo Sang Kim, Jae Joon Han, Juyong Chung, Myung-Whan Seo, Seung-Ha Oh, Sun-O Chang, Jun Ho Lee

    Published 2015-06-01
    “…The aims of this study were to determine whether the size of tympanic membrane perforation, pneumatization of middle ear & mastoid cavity, and location of perforation were correlated with air-bone gap (ABG) of patients.MethodsForty-two patients who underwent tympanoplasty type I or myringoplasty were included and preoperative audiometry were analyzed. Digital image processing was applied in computed tomography for the estimation of middle ear & mastoid pneumatization volume and tympanic membrane photograph for the evaluation of perforation size and location.ResultsPreoperative mean ABG increased with perforation size (P=0.018), and correlated inversely with the middle ear & mastoid volume (P=0.005). …”
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  7. 887

    Application of sparry grain limestone petrographic analysis combining image processing and deep learning by Xiaolu YU, Longlong LI, Hong JIANG, Longfei LU, Chongjiao DU

    Published 2023-09-01
    “…Quantitative recognition of grain content, size, shape and contact mode in structural component features are obtained by digital image processing, that is, grain content is calculated based on threshold segmentation, grain morphology parameters are calculated based on minimum peripheral circle/minimum peripheral rectangle and by combining with area ratio/aspect ratio, intersection ratio (IoU) and other algorithms. …”
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  8. 888

    Role of the preferential flow at rock–soil interface in the water leaking process in near-surface fissures filled with soils in the karst rock desertification area by Tingting Liu, Xudong Peng, Quanhou Dai, Shengbing Xu

    Published 2022-08-01
    “…Dye tracer testing was applied, combined with digital image processing techniques. The results indicated that the rock–soil interface flow on both sides of the fissures is the most important preferential flow form in the fissures in karst area. …”
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  9. 889

    Recognition and Localization Methods for Vision-Based Fruit Picking Robots: A Review by Yunchao Tang, Mingyou Chen, Chenglin Wang, Lufeng Luo, Jinhui Li, Guoping Lian, Xiangjun Zou

    Published 2020-05-01
    “…The two main methods used in fruit recognition and localization are reviewed, including digital image processing technology and deep learning-based algorithms. …”
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  10. 890

    The balance of pressor and depressor substances in the neurons of arcuate nucleus of hypothalamus in etiologically different arterial hypertension by S. V. Tishchenko

    Published 2019-04-01
    “…To study the content of neuropeptides and NOS enzyme isoforms, an immunohistochemical method was used, followed by digital image processing by Image J. The results that were obtained were calculated using the "Statistica 11.0" program. …”
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  11. 891

    Defect Classification of Weld Metallographic Structure Based on Data Augmentation of Poisson Fusion by BAI Xiongfei, GONG Shuicheng, LI Xuesong, XU Bo, YANG Xiaoli, WANG Mingyan

    Published 2023-10-01
    “…During data augmentation, the defect area is extracted from original defect samples via digital image processing, and the defect area is fused with normal samples by the Poisson fusion method to generate new defect samples, thus increasing the number of defect samples. …”
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  12. 892

    Segmentación de elementos anatómicos en imágenes microscópicas de madera usando técnicas de visión artificial by Luis Fernando Espinosa, Rodrigo Javier Herrera, Cesar Polanco-Tapia

    Published 2015-12-01
    “…The proposed methodology uses a set of algorithms from digital image processing consistent with the characteristics of each element. …”
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  13. 893

    Grape-Bunch Identification and Location of Picking Points on Occluded Fruit Axis Based on YOLOv5-GAP by Tao Zhang, Fengyun Wu, Mei Wang, Zhaoyi Chen, Lanyun Li, Xiangjun Zou

    Published 2023-04-01
    “…Finally, the combination of a digital image processing algorithm and mathematical geometry was used to segment grape bunches identified by YOLOv5-GAP, and picking points were determined after finding centroid coordinates. …”
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  14. 894

    Research on Water-Level Recognition Method Based on Image Processing and Convolutional Neural Networks by Gang Dou, Rensheng Chen, Chuntan Han, Zhangwen Liu, Junfeng Liu

    Published 2022-06-01
    “…In this study, a water level recognition method based on digital image processing technology and CNN is proposed. For achieving batch segmentation of source images, the coordinates of the water ruler region in the source image and characters’ region and the scale lines’ region on the ruler are obtained by using image processing algorithms such as grayscale processing, edge detection, and the tilt correction method based on Hough-transform and morphological operations. …”
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  15. 895

    A Digitization and Conversion Tool for Imaged Drawings to Intelligent Piping and Instrumentation Diagrams (P&ID) by Sung-O Kang, Eul-Bum Lee, Hum-Kyung Baek

    Published 2019-07-01
    “…In this paper, we propose a method and system of automatically recognizing and extracting design information from imaged piping and instrumentation diagram (P&ID) drawings and automatically generating digitized drawings based on the extracted data by using digital image processing techniques such as template matching and sliding window method. …”
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  16. 896

    Shape Characteristics of Coral Sand from the South China Sea by Xing Wang, Yang Wu, Jie Cui, Chang-Qi Zhu, Xin-Zhi Wang

    Published 2020-10-01
    “…Two-dimensional particle images of coral sand with different particle sizes were obtained through optical imaging, and the basic size parameters of particles were measured by digital image processing. The particle shape parameters were created, and on this basis, the variation of shape parameters with size, the distribution characteristics, and the sensitivity of shape parameters were analyzed by mathematical statistics and the fractal theory. …”
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  17. 897

    Reflectance spectra and AVIRIS-NG airborne hyperspectral data analysis for mapping ultramafic rocks in igneous terrain by K. Tamilarasan, S. Anbazhagan, S. Uma Maheswaran, S. Ranjithkumar, K. N. Kusuma, V. J. Rajesh

    Published 2022-10-01
    “…ENVI 5.3 software was used for digital image processing of the AVIRIS-NG airborne hyperspectral data. …”
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  18. 898

    Fatigue Resistance and Cracking Mechanism of Semi-Flexible Pavement Mixture by Shiqi Wang, Huanyun Zhou, Xianhua Chen, Minghui Gong, Jinxiang Hong, Xincheng Shi

    Published 2021-09-01
    “…The distribution of various phases of the SFP mixture in the fracture surface was analyzed by digital image processing technology, and its fatigue cracking mechanism was analyzed. …”
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  19. 899

    Measurement of nuclear fuel assembly’s bow from visual inspection’s video record by Dušan Plašienka, Jaroslav Knotek, Marcin Kopeć, Martina Malá, Jan Blažek

    Published 2023-04-01
    “…The whole process is done by digital image processing algorithms which analyze rotations of video frames, extract angles whose source is the fuel set torsion, and reconstruct torsion schema. …”
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  20. 900

    Orthofaçade-Based Assisted Inspection Method for Buildings by Suzana Draganić, Srđan Popov, Mirjana Laban, Marko Z. Marković, Ivan Lukić, Mirjana Malešev, Vlastimir Radonjanin

    Published 2022-06-01
    “…The AIM method offers a multidisciplinary approach by combining unmanned aerial vehicle (UAV) technology, electronic tachymetry, and digital image processing techniques (photogrammetry and open-source computer vision methods). …”
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