Zobrazeno 1 - 10
of 28 642
pro vyhledávání: '"spatial frequency"'
Publikováno v:
Ophthalmology and Therapy, Vol 13, Iss 11, Pp 2919-2929 (2024)
Abstract Introduction The aim of this prospective and comparative study was to investigate the association of perimetry parameters on visual acuity and contrast sensitivity in primary open-angle glaucoma (POAG) eyes with diffractive extended depth-of
Externí odkaz:
https://doaj.org/article/18188dddebbb46c983efc10376e8e672
Publikováno v:
Plant Methods, Vol 20, Iss 1, Pp 1-16 (2024)
Abstract Soybean seeds are susceptible to damage from the Riptortus pedestris, which is a significant factor affecting the quality of soybean seeds. Currently, manual screening methods for soybean seeds are limited to visual inspection, making it dif
Externí odkaz:
https://doaj.org/article/d8b3149c67614413b299f4e96fd07e74
Publikováno v:
BioMedical Engineering OnLine, Vol 23, Iss 1, Pp 1-17 (2024)
Abstract Background Schizophrenia (SZ), a psychiatric disorder for which there is no precise diagnosis, has had a serious impact on the quality of human life and social activities for many years. Therefore, an advanced approach for accurate treatment
Externí odkaz:
https://doaj.org/article/cfd9f56869ca403f9e05490c3a6fd1b6
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Primate visual cortex exhibits key organizational principles: cortical magnification, eccentricity-dependent receptive field size and spatial frequency tuning as well as radial bias. We provide compelling evidence that these principles arise
Externí odkaz:
https://doaj.org/article/d6572f12247c42f3a589d5a54ab683b4
Autor:
Ruozhong Han, Yuchan Zhang, Qilin Jiang, Long Chen, Kaiqiang Cao, Shian Zhang, Donghai Feng, Zhenrong Sun, Tianqing Jia
Publikováno v:
Opto-Electronic Science, Vol 3, Iss 3, Pp 1-14 (2024)
Femtosecond laser-induced periodic surface structures (LIPSS) have been extensively studied over the past few decades. In particular, the period and groove width of high-spatial-frequency LIPSS (HSFL) is much smaller than the diffraction limit, makin
Externí odkaz:
https://doaj.org/article/1abbcb31a8cf4cf19e80f63e9d3cebae
Deepfake detection based on cross-domain local characteristic analysis with multi-domain transformer
Publikováno v:
Alexandria Engineering Journal, Vol 91, Iss , Pp 592-609 (2024)
Deepfake videos present a significant challenge in the current media landscape. While current deepfake detection methods demonstrate satisfactory performance, there is still room for improvement in their ability to generalize and detect unseen scenar
Externí odkaz:
https://doaj.org/article/b36362ad175f434f95f92ba805671302
Publikováno v:
Frontiers in Neuroscience, Vol 18 (2024)
The benefits of femtosecond laser-assisted in situ keratomileusis (FS-LASIK) for correcting vision, particularly in terms of spherical equivalent (SE) and visual acuity (VA), have gained broad recognition. Nevertheless, it has remained uncertain whet
Externí odkaz:
https://doaj.org/article/dc62d79493404f7ba93aa38f0224a0a5
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0051-JAMDSM0051 (2024)
Currently, measurement of long and thin objects is done by the contact method. However, some problems such as long measurement time including fixing the gauge and the object to be measured and the effects of buckling and other problems caused by cont
Externí odkaz:
https://doaj.org/article/255e76c9eea34987a47d15edc09d0822
Autor:
Chenlei Pang, Xiaowei Liu, Qianwei Zhang, Zhi Wang, Xiaoyu Yang, Weidong Shen, Xu Liu, Qing Yang
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 6, Pp n/a-n/a (2024)
Super‐resolution chip (SRC) made of fluorescent polymer film and polygon film waveguide can realize subdiffraction imaging. However, the propagation losses of evanescent waves impose a serious restriction on imaging performance. Meanwhile, the requ
Externí odkaz:
https://doaj.org/article/e7a63cfc0d7e406cb9c0c28de0f27e6f
Autor:
Hardik Vaghasiya, Paul-Tiberiu Miclea
Publikováno v:
Optics, Vol 4, Iss 4, Pp 538-550 (2023)
Laser-induced periodic surface structures (LIPSS) have gained significant attention due to their ability to modify the surface morphology of materials at the micro-nanoscale and show great promise for surface functionalization applications. In this s
Externí odkaz:
https://doaj.org/article/98ad1d7b6c044523b9b08851bc4f111a