High contrast
MISR empirical stray light corrections in high-contrast scenes
... persistent high aerosol optical depth (AOD) bias at low AOD with the aid of coincident MODerate-resolution Imaging Spectroradiome- ter (MODIS) imagery from NASA’s Terra ...the high AOD bias in ...
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Ultra-thin transmissive crystalline silicon high-contrast grating metasurfaces
... a high-contrast grating (HCG), which is able to provide full 2π phase control for circular polarized incident ...A high efficiency orbital angular momentum (OAM) generator is then designed and ...
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Controlling the Flow of Light Using High Contrast Metastructures
... power consumption, and established manufacturing processes [91]. Nonetheless, nematic liquid crystals, which are most commonly used, suffer from a slow response time of tens to hundreds of milliseconds. Ferroelectric ...
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Origin of the asymmetry of the wind driven halo observed in high-contrast images
... of high contrast imag- ing (HCI) instruments equipped with extreme adaptive optics (XAO) and advanced coronagraphs, dedicated to exoplanet and circumstellar disk imaging, we can now visualize optical e ff ...
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Electropolymerizable Conjugated Polymers with High Contrast in Infrared Region
... Herein, we prepare electrochromic thin film devices in the solid state, which are fabricated through electropo- lymerization in solutions from donor-acceptor-donor nar- row band gap monomers. Compared with spin-coated ...
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Optimal Phase Masks for High Contrast Imaging Applications
... sense. High-contrast imaging systems are designed to suppress the light from a particular bright source prior to detection in order to improve sensitivity to its dim ...
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High-contrast imaging search for stellar and substellar companions of exoplanet host stars
... our high-contrast imaging survey of close stellar and substellar companions of exoplanet host stars, carried out with the adaptive optics imager NACO at the ESO Paranal observatory, in ...
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A new standard for assessing the performance of high contrast imaging systems
... As planning for the next generation of high contrast imaging instruments (e.g. WFIRST, HabEx, and LUVOIR, TMT-PFI, EELT-EPICS) matures, and second-generation ground-based extreme adaptive optics facilities ...
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Monolithic high contrast grating based polariton laser
... incorporating high-contrast subwave- length gratings (HCGs) instead of distributed Bragg reflectors (DBRs) have been intensively studied in the past decade, 1,2 for they allow a more compact structure, ...
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Development of a high contrast Nd:glass laser using chirped pulse amplification
... a high contrast, high power CPA Nd laser ...The contrast ratio of the compressed pulse should be > 103 if the spectral shaping technique is used (see Chapter ...the contrast can be ...
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Combining high-dispersion spectroscopy with high contrast imaging: Probing rocky planets around our nearest neighbors
... the high-dispersion (R = 100 000) IFS capabilities to perform such observations, and we show that at M-band, rocky planets in the habitable zone of α Centauri A are within the realm of this in- ...classical ...
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Determination of the chemical spread function of Kodak High Contrast Copy 5069 Emulsion
... TABLE OF CONTENTS page LIST OF TABLES LIST OF FIGURES i v V INTRODUCTION 1 THEORY 4 EXPERIMENTAL 12 EQUIPMENT 16 LIGHT SOURCE 16 FOCUSING 17 LENS SHUTTER 17 FILM 17 PLANE IMAGE ANALYSIS [r] ...
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High-contrast algorithm behavior: Observation, conjecture, and experimental design
... In summary, our additional experiments have definitively given credence to our conjecture, modulo pinning down the exact interpretation of numerical values. Instances with low diffusion favor int-dual while a progression ...
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Prospective evaluation of visual outcomes with three presbyopia-correcting intraocular lenses following cataract surgery
... refraction; high-contrast (HC) and low- contrast (LC) uncorrected distance visual acuity (HC-UDVA and LC-UDVA respectively); HC and LC uncorrected inter- mediate visual acuity (HC-UIVA and LC-UIVA ...
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A ROBUST COLOR IMAGE WATERMARKING TECHNIQUES WITH CONTRAST ENHANCEMENT
... ABSTRACT: In recent years, many works on digital image watermarking have been proposed all aiming at protection of the copyright of an image document or authentication of data. With the help of my proposed Modified LSB ...
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Enhanced motion after effects in migraine are related to contrast sensitivity: implications for models of differences in precortical/cortical function
... adaptation contrast or with decreasing test display contrast, that is, it was maximal for high contrast adapting gratings paired with low contrast test ...low contrast test ...
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On-target contrast diagnostic via specular reflectivity measurement
... The reflectivity measurements presented in this paper were done simultaneously with the proton diagnostic. The single-shot proton energy spectra were measured along the rear target normal direction either with a Thomson ...
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A Study and Analysis of Image Enhancement Techniques
... the contrast enhancement techniques are used, so that the image can be efficiently displayed in a manner desired by the ...of contrast in an image may differ due to poor illumination or improper setting of ...
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Condenser free contrast methods for transmitted light microscopy
... Phase contrast microscopy allows the study of highly trans- parent yet detail-rich specimens by producing intensity con- trast from phase objects within the ...phase contrast illumination schema in which ...
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A New Structure of Mmi Polymer Thermo-Optic Switch with a High Refractive Index Contrast
... 3D Mode Solver BeamPROP, and noting that smallest absolute value of a birefringence occurs at the width of 2.5 µm and thickness of 1 µm, a birefringence is 7 × 10 −6 . Typically, symmetric waveguide structures consisting ...
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