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Determination of point spread function for kinematics

Point Spread Function Determination in the Scanning Electron Microscope and its Application in Restoring Images Acquired at Low Voltage

Point Spread Function Determination in the Scanning Electron Microscope and its Application in Restoring Images Acquired at Low Voltage

... PSF determination method presented in this work provides a two-dimensional measurement and visualization of the SEM PSF from a single measurement, making it quicker and more informative than past methods for PSF ...

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CiteSeerX — with unknown Point Spread Function

CiteSeerX — with unknown Point Spread Function

... PSF determination and simultaneous deconvolution of several images One of the main applications of the MCS algorithm, in its original form, was to deconvolve not only an image of a given object, but also a whole ...

8

Point Spread Function and Modulation Transfer Function Engineering

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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Measurement of the point spread function of a noisy imaging system

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

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 ...

8

Polarization Aberrations in Astronomical Telescopes: The Point Spread Function

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

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

Reservoir Computing for Prediction of the Spatially-Variant Point Spread Function

... Spatially-Variant Point Spread Function Stephen ...variant point spread function for the restoration of astronomical images, distorted by atmospheric turbulence when viewed using ...

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Point spread function engineering for iris recognition system design

Point spread function engineering for iris recognition system design

... objective function coupled with the large number of design ...objective function itself, consider that its computation involves the estimation of the intra- class and interclass iris distance probability ...

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Effect of the Illuminating Point Spread Function and Roughness on the Speckle Correlation Field

Effect of the Illuminating Point Spread Function and Roughness on the Speckle Correlation Field

... Abstract Under conditions differing from those subjected for central limit theorem, the spatial autocorrelation function of speckle pattern resulting from illumi- nated rough surface is investigated. Its ...

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Joint Bayesian Deconvolution And Point Spread  Function Estimation For Ultrasound Imaging

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 ...

6

Determination of the chemical spread function of Kodak High Contrast Copy 5069 Emulsion

Determination of the chemical spread function of Kodak High Contrast Copy 5069 Emulsion

... This Thesis is brought to you for free and open access by the Thesis/Dissertation Collections at RIT Scholar Works. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. For ...

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Estimation of the Microscope Point Spread Function by Using an Adaptive Image Deblurring Method

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 ...

11

Distortion correction in magnetic resonance imaging using the simulated point spread function

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

A Review on Point Spread Function Estimation TechniquesRitesh Pawar, Dr. Maitreyee Dutta

... Abstract- Real image is converted into blurred image by many factors. These factors are in the form of the defocus, motion blur, and gaussian blur and by capturing the image from the camera. These blurs are based on the ...

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Bayesian estimation of regularization and point spread function parameters for Wiener-Hunt deconvolution

Bayesian estimation of regularization and point spread function parameters for Wiener-Hunt deconvolution

... object are shown Figs. It is clear that the spectrum of the true image is correctly retrieved, in both cases, up to the radial frequency f ≈ 0.075. Above this frequency, noise is clearly[r] ...

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The INTEGRAL IBIS/ISGRI System Point Spread Function and Source Location Accuracy

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 ...

5

Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative

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

Direct imaging with highly diluted apertures - II. Properties of the point spread function of a hypertelescope

... A B S T R A C T In the future, optical stellar interferometers will provide true images thanks to larger number of telescopes and to advanced cophasing subsystems. These conditions are required to have sufficient ...

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Euclid : nonparametric point spread function field recovery through interpolation on a graph Laplacian.

Euclid : nonparametric point spread function field recovery through interpolation on a graph Laplacian.

... Quadrupole moments are extremely sensitive to noise e ffects. To overcome this sensitivity, KSB uses a (matched, in our case) Gaussian window function. This of course induces bias, which has been compared to the e ...

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