Search Results - image processing methods

Comparison of Satellite-Derived Bathymetry Algorithm Accuracy Using Sentinel-2 Multispectral Satellite Image by Muhammad Iqra Prasetya, Vincentius Paulus Siregar, Syamsul Bahri Agus

“…Atmospheric and radiometric correction using the Dark Object Subtraction (DOS) method for initial processing of Sentinel-2 images. …”
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Advancing Small Bowel Imaging: Dual-Camera Capsule Endoscopy in Real-World Bleeding Evaluation by Dong Hyun Kim

“…Background/Aims : Magnetic resonance imaging (MRI) with a proton density fat fraction (PDFF) sequence is the most accurate, noninvasive method for assessing hepatic steatosis. …”
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Image-based Artificial Intelligence-driven modelling for blank shape optimisation in sheet metal forming by Haosu Zhou, Haoran Li, Yingxue Zhao, Peter R.N. Childs, Nan Li

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Identification of television images in vision systems based on mathematical apparatus of cubic normalized B-splines by Vladimir A Krutov, Dmitry A Bezuglov, Oleg V. Shvachko

“…With that, there is no need to use standard numerical differentiation procedures which are incorrect in themselves. Lena test image distorted by pulse noises of “dead pixels” and “salt-pepper” is processed by the Sobel operator and the spline-differentiation method. …”
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Comparative Analysis of AES, Blowfish, Twofish, Salsa20, and ChaCha20 for Image Encryption by Rebwar Khalid Muhammed, Ribwar Rashid Aziz, Alla Ahmad Hassan, Aso Mohammed Aladdin, Shaida Jumaah Saydah, Tarik Ahmed Rashid, Bryar Ahmad Hassan

“…To ensure the security of shared data, including text, images, or videos, it is essential to employ various methods and strategies. …”
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Evolving superpixel-level affinity based on contrastive learning and good neighbors for hyperspectral image clustering by Yao Qin, Guisong Xia, Kun Li, Yuanxin Ye, Weiping Ni

“…Meanwhile, since the spatial information of HSIs may not be sufficiently utilized in these methods, it is difficult for them to obtain robust clustering performance when processing various HSIs. …”
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The use of diffusion-tensor imaging to assess microstructural integrity of white matter of patients with Alzheimer’s disease by V. A. Perepelov, V. I. Solodovnikov, V. E. Sinitsyn, E. M. Perepelova, N. N. Koberskaya, V. N. Gridin, N. N. Yakhno

“…To compare diffusion-tensor imaging (DTI) measures in different anatomic regions of the brain in patients with an isolated Alzheimer's disease (AD) and patients with AD and small-vessel disease (SVD).Material and methods. 20 AD patients, aged 66 (±10), of whom 11 AD patients had an isolated neurodegenerative process and 9 patients, who were diagnosed with AD+SVD, were examined. …”
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Application of a computer vision algorithm to identify foci of demyelination in multiple sclerosis on MRI images by B. N. Tuchinov, V. Suvorov, K. O. Motorin, E. N. Pavlovsky, L. M. Vasilkiv, Yu. A. Stankevich, A. A. Tulupov

“…The approaches described in the paper including data processing, model training, and results analysis, focused on the selection and development of high-quality computer vision algorithms for identifying multiple sclerosis lesions in MRI images. …”
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Automatic Detection of Landslide Surface Cracks from UAV Images Using Improved U-Network by Hao Xu, Li Wang, Bao Shu, Qin Zhang, Xinrui Li

“…However, due to the complex terrain and landslide extent, manual surveys or traditional digital image processing often face challenges with efficiency, precision, and interference susceptibility in detecting these cracks. …”
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Research on Super-Resolution Reconstruction of Coarse Aggregate Particle Images for Earth–Rock Dam Construction Based on Real-ESRGAN by Shuangping Li, Lin Gao, Bin Zhang, Zuqiang Liu, Xin Zhang, Linjie Guan, Junxing Zheng

“…The paper begins with a review of traditional image super-resolution methods, introducing Generative Adversarial Networks (GAN) and Real-ESRGAN, which effectively enhance image detail recovery through perceptual loss and adversarial training. …”
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Formation of three-dimensional image of the medium by the sum of CDP for the studies of geological structure of mine fields by V. Pilipenko, A. Verpahovskaya, V. Budkevich, E. Pilipenko

“… Traditionally, seismic observations are carried out by the reflected wave method with multiple overlaps. Thus, the primary result of the processing of such data is the sum of CDP. …”
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OPTIMIZATION OF DEMOGRAPHIC PROCESSES IN THE FRAMEWORK OF MIGRATION POLICY AND THE ECONOMIC SECURITY OF REGIONS by M. N. Dudin, N. V. Ljasnikov, V N. Sidorenko

“…Subject of research – especially migration of theKaliningradregion.In this paper we apply scientific methods: the dialectic, comparisons and analogies, analysis and synthesis, deduction and induction, abstract, logical, historical and retrospective.The purpose of this article is to determine the characteristics of the migration situation in theKaliningradregion to justify recommendations for optimizing the demographic processes in the region.To achieve this goal, the following objectives: An analysis of regional, national and international (due to the uniqueness of the situation in the region) factors in the formation of the migration situation in the region; Identify and justify the temporal features and components of the current trends of migration of the Kaliningrad region; Analyze and identify the challenges and prospects of development and migration as a result of demographic development, as well as off er advice on how to optimize in the Kaliningrad region.The Results. …”
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Analysis of Temperature Characteristics of Electrolytic-Plasma Discharge in Jet Processing of a Metal Anode by A. I. Popov, V. I. Novikov, D. N. Ivanov, I. A. Kozyrskiy

“…The lack of comprehensive studies of the temperature characteristics of jet EPD limits the optimization of processes. The research objective is to determine the distribution of temperatures and heat flows in the system “jet electrolytic cathode — metal anode” under various processing conditions.Materials and Methods. …”
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4D-CTA image and geometry dataset for kinematic analysis of abdominal aortic aneurysmsZenodo by Mostafa Jamshidian, Adam Wittek, Saeideh Sekhavat, Farah Alkhatib, Jens Carsten Ritter, Paul M. Parizel, Donatien Le Liepvre, Florian Bernard, Ludovic Minvielle, Antoine Fondanèche, Jane Polce, Christopher Wood, Karol Miller

“…For method verification, the dataset also includes synthetic ground truth data generated from Patient 1’s 3D-CTA AAA image in the diastolic phase. …”
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Using Second-Harmonic Generation Microscopy Images of Bee Honey Crystals to Detect Fructose Adulteration by Manuel H. De la Torre-I, J. M. Flores-Moreno, C. Frausto-Reyes, Rafael Casillas-Peñuelas

“…Each recorded image is spectrally registered using the photomultiplier detector of the microscope, resulting in several gray-level histograms that are numerically analyzed using signal and image processing techniques. …”
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Analytical Device and Prediction Method for Urine Component Concentrations by Zhe Wang, Jianbang Huang, Qimeng Chen, Yuanhua Yu, Xuan Yu, Yue Zhao, Yan Wang, Chunxiang Shi, Zizhao Zhao, Dachun Tang

“…The image acquisition system, which comprised an ESP32S3 chip and a GC2145 camera, was used to collect the urine test strip images, and then color data were calibrated by image processing and color correction on the upper computer. …”
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Lightweight image encryption using integer reversible discrete Dual-Hahn transform on embedded systems by Mohamed Yamni, Achraf Daoui, Chakir El-Kasri, May Almousa, Ali Abdullah S. AlQahtani, Ahmed A. Abd El-Latif

“…These results indicate that the IRDDHT-based encryption method is an effective solution for secure image encryption in embedded systems.…”
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Surface Corrosion Detection for Ferrous-metal Parts: Application of Artificial Intelligence, Python and Microscopic Images by Roman WDOWIK, Artur BEŁZO, Regita BENDIKIENE

“…Compared to traditional corrosion detection methods such as visual inspection and non-destructive testing methods, the AI-based methods offer a faster and more cost-effective solution that can process large volumes of images in real time and produce consistent results. …”
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Improved Dynamic Correction for Seismic Data Processing: Mitigating the Stretch Effect in NMO Correction by Pedro Cortes-Guerrero, Carlos Ortiz-Alemán, Jaime Urrutia-Fucugauchi, Sebastian Lopez-Juarez, Mauricio Gabriel Orozco-del Castillo, Mauricio Nava-Flores

“…These improvements have substantial implications for high-resolution subsurface imaging and precise reservoir characterization.This work offers a robust and computationally efficient solution to a longstanding limitation in seismic processing, advancing the reliability of exploration in geologically complex environments.…”
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The role of computed and magnetic resonance imaging in assessment of the local advancement of malignant tumors of the hearing organ by E. G. Khazarova, E. L. Dronova

“…Сomputed tomography (СТ) and magnetic resonance imaging (MRI) are the main methods of radiological diagnostics, which makes it possible to objectively assess the local advancement of malignant tumors of the hearing organ and decide on the possibility of surgical intervention.The objective of this scientific research – to determine the main indications for surgical intervention, taking into account the radiological criteria for the lesion of the temporal bone (CT, MRI) in locally advanced outer ear skin cancer. …”
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