Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Imants D. Svalbe"'
Autor:
Andrew M. Kingston, Alaleh Aminzadeh, Lindon Roberts, Daniele Pelliccia, Imants D. Svalbe, David M. Paganin
Publikováno v:
Physical Review A. 107
Publikováno v:
Journal of Mathematical Imaging and Vision. 63:428-440
Discrete tomography reconstructs an image of an object on a grid from its discrete projections along relatively few directions. When the resulting system of linear equations is under-determined, the reconstructed image is not unique. Ghosts are array
Autor:
Imants D. Svalbe, Jean J. L. Hsieh
Publikováno v:
Journal of Medical Radiation Sciences
In 2013, Magnetic Resonance Fingerprinting (MRF) emerged as a method for fast, quantitative Magnetic Resonance Imaging. This paper reviews the current status of MRF up to early 2020 and aims to highlight the advantages MRF can offer medical imaging p
Publikováno v:
IEEE Transactions on Computational Imaging. 6:1258-1271
Discrete delta functions define the limits of attainable spatial resolution for all imaging systems. Here we construct broad, multi-dimensional discrete functions that replicate closely the action of a Dirac delta function for convolution under aperi
Publikováno v:
IEEE Transactions on Computational Imaging. 5:136-149
Ghost imaging has recently been successfully achieved in the X-ray regime. Due to the penetrating power of X-rays this immediately opens up the possibility of ghost-tomography. No research into this topic currently exists in the literature. Here, we
Autor:
Preeti Gopal, Imants D. Svalbe
Publikováno v:
Pattern Recognition Letters. 116:107-113
We establish here a method to partially recover the missing frequencies in data acquired through sub-sampling in the Fourier domain. Non-linear open and close operations are applied recursively to the raw spatial image estimated from its sparse Fouri
Publikováno v:
Journal of Mathematical Imaging and Vision. 61:237-248
Digital watermarking applications have a voracious demand for large sets of distinct 2D arrays of variable size that possess both strong auto-correlation and weak cross-correlation. We use the discrete Finite Radon Transform to construct “perfect
Publikováno v:
Journal of Mathematical Imaging and Vision. 60:304-312
A 2D p:q lattice contains image intensity entries at pixels located at regular, staggered intervals that are spaced p rows and q columns apart. Zero values appear at all other intermediate grid locations. We consider here the construction, for any gi
Autor:
David M. Paganin, Michael J. Morgan, Timothy Petersen, Alexis I. Bishop, Imants D. Svalbe, Matthew Ceko
Publikováno v:
Physical review letters. 122(9)
We encode the sequence of prime numbers into simple superpositions of identical waves, mimicking the archetypal prime number sieve of Eratosthenes. The primes are identified as zeros accompanied by phase singularities in a physically generated wave-f
Autor:
Allan Pennings, Imants D. Svalbe
Publikováno v:
DICTA
The presence of salt and pepper noise in imaging is a common issue that needs to be overcome in image analysis. Many potential solutions to remove this noise have been discussed over the years, but these algorithms often make the common assumption th