Point Spread Function and the Extended Object
CiteSeerX — with unknown Point Spread Function
... given object, but also a whole set of images of the same ob- ...all point sources in the field are left free dur- ing the deconvolution process, leading to the construction of a genuine light curve for all ...
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Point Spread Function and Modulation Transfer Function Engineering
... Point Spread Function Engineering Theory PSF Engineering seeks to add additional functionality by altering the PSF of the imaging ...transfer function will lead to spatial frequencies of the ...
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Design of Mobile Phone Lens with Extended Depth of Field Based on Point-spread Function Focus Invariance
... particular object point will intersect again at a corresponding point in a fixed image plane, then, constructing the image point by ...the point-spread function (PSF) is ...
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Measurement of the point spread function of a noisy imaging system
... Gaussian function; Fitting the ESF to a sum of Fermi-Dirac functions [14]; Fitting the ESF to a defocused step assuming even illumination and a Gaussian PSF; Fitting the ESF to a defocused step where the ...
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Point Spread Function Estimation for a Terahertz Imaging System
... estimated point spread function is tested by using it to deconvolve images of a scene containing manufactured objects with good reflective ...the point spread function estimation ...
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The effect of the point spread function on sub pixel mapping
... of a SPM method is positively related to the spatial size of the input coarse image, number of classes and zoom. 492[r] ...
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Polarization Aberrations in Astronomical Telescopes: The Point Spread Function
... Design rule 7: d 1 is also linear in the coating diattenuation quadratic parameter angle a 2 , which follows from the slope of a quadratic function being linear. The retardance tilt J 4 with value Δ 1 describes a ...
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Enhancing spectral unmixing by considering the point spread function effect
... Please cite this article as: Wang Q., Shi W., Atkinson P.M., Enhancing spectral unmixing by considering the point spread function effect. Spatial Statistics (2018), ...
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Reservoir Computing for Prediction of the Spatially-Variant Point Spread Function
... Our interest is the temporal evolution of the wavefront aberrations for real-time image restoration. Thus, later models used temporal evolution of the phase-screen, rather than a static model moved across the aperture. ...
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Point spread function engineering for iris recognition system design
... So far we have observed that the optimized ZPEL imager offers a substantial improvement in iris- recognition performance over a TOMBO imaging sys- tem with an undersampling detector array. However, these results were ...
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Effect of the Illuminating Point Spread Function and Roughness on the Speckle Correlation Field
... correlation function as a convolution of the two spatial in- tensity distributions of interference and diffraction ...correlation function can overcome the effect of the second one depending on the ...
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Joint Bayesian Deconvolution And Point Spread Function Estimation For Ultrasound Imaging
... The point spread function of the system is also assumed to be unknown and is assigned a Gaus- sian prior ...hood function to build the joint posterior distribution of the image and ...
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Estimation of the Microscope Point Spread Function by Using an Adaptive Image Deblurring Method
... As one of the most widespread techniques in biological investigation and dynamic process, light compound microscopy has used to analyze the optical properties of biological images. The optical microscope is often used to ...
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Distortion correction in magnetic resonance imaging using the simulated point spread function
... 3.1.4 Correction Using PSF Turning from field maps to the point spread function, PSF techniques are lauded for their compensation for both geometric distortion and signal loss. Unfortunately, a ...
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A Review on Point Spread Function Estimation TechniquesRitesh Pawar, Dr. Maitreyee Dutta
... blur function can be assumed which give the results whoes does not match with the real imaging model of the optical devices which reduce the restoration ...blur function at the same ...blur function ...
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Bayesian estimation of regularization and point spread function parameters for Wiener-Hunt deconvolution
... 2 Laboratoire d’Int´egration du Mat´eriau au Syst`eme ( CNRS – ENSEIRB – Univ. Bordeaux 1 – ENSCPB ), 351 cours de la Libration, 33405 Talence, France ∗ Corresponding author: [email protected] This paper tackles the ...
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The INTEGRAL IBIS/ISGRI System Point Spread Function and Source Location Accuracy
... System Point Spread Function of the telescope and its detailed characteristics are here described along with the specific analysis algorithms used to derive the accurate point-like source ...
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Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative
... as function of iterations (we stopped at 6 iterations 21 subsets, which is more than commonly ...a function of lesion size (SUV curve) up to 12 mm ...
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Direct imaging with highly diluted apertures - II. Properties of the point spread function of a hypertelescope
... 4.1.3 Trade-off between resolution and field of view For a given configuration, it appears also that there is a trade-off between resolution and field. If one increases the global size of the input pupil (B) with a ...
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Euclid : nonparametric point spread function field recovery through interpolation on a graph Laplacian.
... Many nonparametric methods have been proposed to model the PSF from observed stars. Gentile et al. ( 2013 ) reviewed, in the context of GREAT3 ( Mandelbaum et al. 2014 , 2015 ), sev- eral traditional interpolation ...
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