Point spread function (PSF) measurement
Measurement of the point spread function of a noisy imaging system
... PSF measurement techniques and describe how a super- resolution ESF, and eventually a PSF is computed from an ensemble of low-resolution ...PSF measurement technique that involve:- (i) Compensation for ...
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CiteSeerX — with unknown Point Spread Function
... The search for faint blended variable stars in nearby galaxies is one of the topics directly influenced by the quality of the available PSF. Rejkuba et al. (2003) have found dozens of Mira stars in the halo of the giant ...
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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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Polarization Aberrations in Astronomical Telescopes: The Point Spread Function
... 6.1. Exoplanet Discovery and Characterization The intensity of the ghost PSF is about one part in 10 4 of the two primary PSF images I XX and I Y Y and with spatial structure of much larger extent across the focal plane ...
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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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Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative
... The phenomena described are relevant not only for the measurement of SUV but for visual assessment of PET images, as well. In this work, we have studied the perform- ance of PSF reconstruction algorithms for the ...
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Euclid : nonparametric point spread function field recovery through interpolation on a graph Laplacian.
... A particular consequence of this is that the model cho- sen for galaxies is a de Vaucouleurs bulge combined with an exponential disk, which, in turn, is the exact model used for generating some of our observations ...
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Evaluation of spatial dependence of point spread function-based PET reconstruction using a traceable point-like 22Na source
... empirical measurement that separated radial and axial components was modeled as a point spread function (PSF), and PSF information was incorporated into a three-dimensional (3D) iterative re- ...
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Constraining the Adaptive Optics Point-Spread Function in Crowded Fields: Measuring Photometric Aperture Corrections
... We consider three model PSFs with r 0 = 50, 65, and 100 cm, and common parameters L 0 = 30 m, w = 1.5, and σ DM = 56 cm. Again, we ignore measurement noise by setting ∆ 2 φ = 0. To explore the effects of crowding, ...
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Point Spread Function Determination in the Scanning Electron Microscope and its Application in Restoring Images Acquired at Low Voltage
... of particle synthesis, the particles will have a varying range of sizes and shapes. By averaging particles together, the size and shape of the particles will converge to the nominal size and shape that is expected for ...
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Effect of the Illuminating Point Spread Function and Roughness on the Speckle Correlation Field
... Keywords Speckle Pattern, Autocorrelation Function, Rough Surface 1. Introduction As a result of illuminating a rough surface with coherent or partially coherent light, interference between reflected or ...
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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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Measuring the Point Spread Function of a Fluorescence Microscope
... Invert the coverslip onto a drop of high refractive index mounting medium (e.g. Allow medium to cure. If the medium does not cure, then seal coverslip edges to the slide with nail enam[r] ...
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Lecture 14. Point Spread Function (PSF)
... Point Spread Function (PSF), Modulation Transfer Function (MTF), Signal-to-noise Ratio (SNR), Contrast-to-noise Ratio (CNR),.. and Receiver Operating Curves (ROC).[r] ...
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Software Measurement and Function Point Metrics
... Price evaluation: a transactional issue Customer Supplier Requirements Solution(TCQ 2 ) Negotiation Contract Market Transactions Market Transactions External Productivity Internal Prod[r] ...
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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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Function Point Analysis (FPA) or Function Size Measurement (FSM) . The FP measurement could be
... oftware effort and cost estimation are necessary at the early stage of the software development life cycle for the project manager to be able to successfully plan for the software project. Unfortunately, most of the ...
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Function Point Measurement from Java Programs
... ABSTRACT Function point analysis (FPA) was proposed to help measure the functionality of software ...since function point measurement involves judgment on the part of the measurer, ...
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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
... 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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