Zobrazeno 1 - 10
of 2 272
pro vyhledávání: '"optical aberration"'
Autor:
Boyuan Peng, Jiaju Chen, P. Bilha Githinji, Ijaz Gul, Qihui Ye, Minjiang Chen, Peiwu Qin, Xingru Huang, Chenggang Yan, Dongmei Yu, Jiansong Ji, Zhenglin Chen
Publikováno v:
Computational and Structural Biotechnology Journal, Vol 26, Iss , Pp 23-39 (2024)
Cell segmentation is essential in biomedical research for analyzing cellular morphology and behavior. Deep learning methods, particularly convolutional neural networks (CNNs), have revolutionized cell segmentation by extracting intricate features fro
Externí odkaz:
https://doaj.org/article/8920012853e8400c908432d336df98b1
Autor:
Jiang, Qi a, c, Yi, Zhonghua a, c, Gao, Shaohua a, c, Gao, Yao a, Qian, Xiaolong a, Shi, Hao a, c, Sun, Lei a, Niu, JinXing d, Wang, Kaiwei a, c, ⁎, Yang, Kailun b, Bai, Jian a
Publikováno v:
In Optics and Laser Technology May 2025 183
Autor:
Gonzalo Velarde-Rodriguez, Carolina Belda-Para, Miriam Velasco-Ocaña, Juan M. Trujillo-Sevilla, Javier Rodríguez-Martin, Ignacio Jiménez-Alfaro, José M. Rodriguez-Ramos, Nicolas Alejandre-Alba
Publikováno v:
Ophthalmology and Therapy, Vol 12, Iss 3, Pp 1569-1582 (2023)
Abstract Introduction This study performs optical aberration assessment in patients using a novel ultra-high-resolution device. The objective of this study is to analyze optical aberrations, especially the very high order wavefront (more than 10th or
Externí odkaz:
https://doaj.org/article/37001161e7c34e2ab04b53e27a72dae0
Akademický článek
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Publikováno v:
Baghdad Science Journal, Vol 20, Iss 3 (2023)
Many designs have been suggested for unipolar magnetic lenses based on changing the width of the inner bore and fixing the other geometrical parameters of the lens to improve the performance of unipolar magnetic lenses. The investigation of a study o
Externí odkaz:
https://doaj.org/article/ecc09382d1f34d74a1300d9f41592c2b
Autor:
Guillem Megias Homar, Steven M. Kahn, Joshua M. Meyers, John Franklin Crenshaw, Sandrine J. Thomas
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 1, p 108 (2024)
The Vera C. Rubin Observatory is a unique facility for survey astronomy that will soon be commissioned and begin operations. Crucial to many of its scientific goals is the achievement of sustained high image quality, limited only by the seeing at the
Externí odkaz:
https://doaj.org/article/84ff1645ff0b4f2c8e203ff1fc4aa0b7
Publikováno v:
Journal of Analytical Science and Technology, Vol 11, Iss 1, Pp 1-7 (2020)
Abstract Background The contrast transfer function (CTF) is an important principle in the field of transmission electron microscopy (TEM) imaging. It provides information on how the electron wave that interacted with a sample (in frequency domain) in
Externí odkaz:
https://doaj.org/article/fbb1140a22f14e7bbd3b5740248b375e
Autor:
Matthew S. R. Freeman, Jessica R. Lu, Jim Lyke, Abhimat Gautam, Renate Kupke, Andrea Ghez, Shoko Sakai, Jay Anderson, Andrea Bellini
Publikováno v:
The Astronomical Journal, Vol 166, Iss 3, p 125 (2023)
The astrometric precision and accuracy of an imaging camera is often limited by geometric optical distortions. These must be calibrated and removed to measure precise proper motions, orbits, and gravitationally lensed positions of interesting astrono
Externí odkaz:
https://doaj.org/article/046b1e21e4d54c46b0d8b78d29447718
Akademický článek
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