Zobrazeno 1 - 10 of 98 pro vyhledávání: '"Stephen C. Cain"'
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Akademický článek
Zernike integrated partial phase error reduction algorithm
Autor: Stephen C. Cain
Publikováno v: Results in Optics, Vol 4, Iss , Pp 100085- (2021)
A modification to the error reduction algorithm is reported in this paper for determining the prescription of an imaging system in terms of Zernike polynomials. The technique estimates the Zernike coefficients of the optical prescription as part of a
Externí odkaz: https://doaj.org/article/297bff217ee84b92bb0acca470aa46ad
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3
Improving closely spaced dim object detection through multiframe blind deconvolution of near stellar neighbourhoods
Autor: Stephen C. Cain, Ronald M. Aung
Publikováno v: Journal of Modern Optics. 67:1145-1158
A new iterative algorithm is proposed to improve the detection of dim stellar objects that are in the neighbourhood of a bright object, using short-exposure images. This method separates data funct...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4ec445419a1dbfc45bec34cb66719a2
https://doi.org/10.1080/09500340.2020.1810345
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7
Non-linear statistical photocalibration of photodetectors without calibrated light sources
Autor: Stephen C. Cain
Publikováno v: Applied optics. 59(9)
Calibration of CCD arrays is commonly conducted using dark frames. Non-absolute calibration techniques only measure the relative response of the detectors. For absolute calibration to be achieved, a second calibration is sometimes utilized by looking
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bec26c3b95848b2727c0ca6d5aba272
https://pubmed.ncbi.nlm.nih.gov/32225827
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8
Fourier propagation tool for aberration analysis and a point spread function calculation of systems with curved focal planes
Autor: Stephen C. Cain
Publikováno v: OSA Continuum. 3:1579
This paper describes a new Fourier propagator for computing the impulse response of an optical system with a curved focal plane array, while including terms ignored in Fresnel and Fraunhofer calculations. The propagator includes a Rayleigh-Sommerfeld
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b7b88dff0ea04db37ee1ff97e61c597
https://doi.org/10.1364/osac.394977
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9
Super-resolution imaging via expectation-maximization estimation of near stellar neighborhoods
Autor: Stephen C. Cain
Publikováno v: Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2018.
Deconvolution techniques for removing the effects of diffraction from the Hubble space telescope have been employed for decades. This paper introduces a new solution for the deconvolution problem that separates the measurements into three sets of com
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::552242758794ea4bd09239be50e956f1
https://doi.org/10.1117/12.2319145
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10
Near earth space object detection using parallax as multi-hypothesis test criterion
Autor: David Becker, Stephen C. Cain, Joseph C. Tompkins
Publikováno v: Optics Express. 27:5403
The US Strategic Command (USSTRATCOM) operated Space Surveillance Network (SSN) is tasked with Space Situational Awareness (SSA) for the U.S. military. This system is made up of Electro-Optic sensors, such as the Ground-based Electro-Optical Deep Spa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5266bda3286fd24f9b6c5437155800f9
https://doi.org/10.1364/oe.27.005403
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