Search Results - "Byard, Kevin"
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1
Application of the CLEAN algorithm to three dimensional coded aperture imaging
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-01-2021)“…An iterative technique for the removal of artifacts caused by the near field effects of a coded aperture imaging system is presented. The technique, which we…”
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2
Fast decoding algorithms for geometric coded apertures
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2015)“…Fast decoding algorithms are described for the class of coded aperture designs known as geometric coded apertures which were introduced by Gourlay and Stephen…”
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3
Fast decoding algorithms for coded aperture systems
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-08-2014)“…Fast decoding algorithms are described for a number of established coded aperture systems. The fast decoding algorithms for all these systems offer significant…”
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4
First experimental results using Singer product apertures
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2024)“…We present the first experimental results obtained using Singer product apertures. We image X-rays scattered from spherical aluminium targets, using a Crypix…”
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5
Singer quad apertures and super fast decoding
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-11-2019)“…A new class of coded aperture is introduced, the Singer quad aperture, which is the Cartesian product of two unwrapped Singer product apertures. Formulae for…”
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6
Singer product apertures—A coded aperture system with a fast decoding algorithm
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-06-2017)“…A new type of coded aperture configuration that enables fast decoding of the coded aperture shadowgram data is presented. Based on the products of incidence…”
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Signal-to-noise ratio of Singer product apertures
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2017)“…Formulae for the signal-to-noise ratio (SNR) of Singer product apertures are derived, allowing optimal Singer product apertures to be identified, and the CPU…”
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8
Lamʼs power residue addition sets
Published in Advances in applied mathematics (01-01-2011)“…Classical n-th power residue difference sets modulo p are known to exist for n=2,4,8. During the period 1953–1999, their nonexistence has been proved for all…”
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Lam[inline image]s power residue addition sets
Published in Advances in applied mathematics (01-01-2011)“…Classical n-th power residue difference sets modulo p are known to exist for n=2,4,8. During the period 1953-1999, their nonexistence has been proved for all…”
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10
Oranges aren't the only fruit. Ask a Gardner: Some implications of the national literacy and numeracy strategies
Published in Education 3-13 (01-03-2004)“…The introduction of the National Literacy and Numeracy strategies in U.K. schools is discussed in the light of Howard Gardner's theory of multiple…”
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Where have all the clubs gone? The decline in extra-curricular activities
Published in Education 3-13 (01-06-2003)“…A report of a decline in the extra-curricular activities available to the children in a West London junior school is presented. Using interviews with the…”
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12
Is seeing really believing? Observation lessons from a teacher's perspective
Published in Education 3-13 (01-06-2002)“…An account is presented of a year six numeracy lesson conducted under formal observation. Written from the teacher's standpoint the article investigates the…”
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13
Oranges Aren't the Only Fruit. Ask a Gardner: Some Implications of the National Literacy and Numeracy Stategies
Published in Education 3-13 (2004)“…The introduction of the National Literacy and Numeracy strategies in U.K. schools is discussed in the light of Howard Gardner's theory of multiple…”
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14
Qualified residue difference sets with zero
Published in Discrete mathematics (15-02-1998)“…We previously established that biquadratic qualified residue difference sets exist for primes p if and only if p = 16 x 2 + 1 and sextic qualified residue…”
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An extension for residue difference sets
Published in Discrete mathematics (15-04-1997)“…In this paper we extend the idea of residue difference sets, with existence theorems being established for certain classes of primes…”
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Coded Aperture Imaging with a Hura Coded Aperture and a Discrete Pixel Detector
Published 01-01-1989“…An investigation into the gamma ray imaging properties of a hexagonal uniformly redundant array (HURA) coded aperture and a detector consisting of discrete…”
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Dissertation