Search Results - "THACKER, N. A"

Estimating False Positive Contamination in Crater Annotations from Citizen Science Data by Tar, P. D., Bugiolacchi, R., Thacker, N. A., Gilmour, J. D.

“…Web-based citizen science often involves the classification of image features by large numbers of minimally trained volunteers, such as the identification of…”
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Prediction of the Jugular Venous Waveform Using a Model of CSF Dynamics by Kim, J, Thacker, N.A, Bromiley, P.A, Jackson, A

“…We have previously reported a model of cerebral hydrodynamics in the form of an equivalent electrical circuit. The aim of this work was to demonstrate that the…”
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A reformulation of pLSA for uncertainty estimation and hypothesis testing in bio-imaging by Tar, P D, Thacker, N A, Deepaisarn, S, O’Connor, J P B, McMahon, A W

“…Abstract Motivation Probabilistic latent semantic analysis (pLSA) is commonly applied to describe mass spectra (MS) images. However, the method does not…”
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Quantifying biological samples using Linear Poisson Independent Component Analysis for MALDI-ToF mass spectra by Deepaisarn, S, Tar, P D, Thacker, N A, Seepujak, A, McMahon, A W

“…Abstract Motivation Matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI) facilitates the analysis of large organic molecules…”
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A new method for the high-precision assessment of tumor changes in response to treatment by Tar, P D, Thacker, N A, Babur, M, Watson, Y, Cheung, S, Little, R A, Gieling, R G, Williams, K J, O'Connor, J P B

“…Abstract Motivation Imaging demonstrates that preclinical and human tumors are heterogeneous, i.e. a single tumor can exhibit multiple regions that behave…”
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Breath-hold perfusion and permeability mapping of hepatic malignancies using magnetic resonance imaging and a first-pass leakage profile model by Jackson, A., Haroon, H., Zhu, X. P., Li, K. L., Thacker, N. A., Jayson, G.

“…We have applied a novel pharmacokinetic model of the distribution of contrast media to dynamic contrast‐enhanced MRI data from patients with hepatic neoplasms…”
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Developing a virtual reality environment in petrous bone surgery: A state-of-the-art review by JACKSON, Alan, JOHN, N. W, FRANCESCHINI, S. S, SCHWERDTNER, A, EMMEN, A, THACKER, N. A, RAMSDEN, R. T, GILLESPIE, J. E, GOBBETTI, E, ZANETTI, G, STONE, R, LINNEY, A. D, ALUSI, G. H

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Voxel based analysis of tissue volume from MRI data by Thacker, N A, Williamson, D C, Pokric, M

“…There are many techniques available for the analysis of MRI data. Often these methods are presented as completed algorithms, which specify what processing must…”
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Can dynamic susceptibility contrast magnetic resonance imaging perfusion data be analyzed using a model based on directional flow? by Thacker, N.A., Scott, M.L.J., Jackson, A.

“…Purpose To examine the implications of a physiological model of cerebral blood that uses the contradictory assumption that blood flow in all voxels of DSCE‐MRI…”
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Non-parametric image subtraction using grey level scattergrams by Bromiley, P.A., Thacker, N.A., Courtney, P.

“…Image subtraction is used in many areas of machine vision to identify small changes between equivalent pairs of images. Often only a small subset of the…”
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Mathematical segmentation of grey matter, white matter and cerebral spinal fluid from MR image pairs by Thacker, N A, Jackson, A

“…The aims of this study were (1) to design a mathematical segmentation technique to allow extraction of grey matter, white matter and cerebral spinal fluid…”
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A fast, model-independent method for cerebral cortical thickness estimation using MRI by Scott, M.L.J., Bromiley, P.A., Thacker, N.A., Hutchinson, C.E., Jackson, A.

“…Several algorithms for measuring the cortical thickness in the human brain from MR image volumes have been described in the literature, the majority of which…”
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A multi-stage approach to the dense estimation of disparity from stereo SEM images by Lacey, A.J., Thacker, N.A., Crossley, S., Yates, R.B.

“…We are currently involved in an industrial project to recover depth information from stereo image pairs retrieved using a scanning electron microscope (SEM)…”
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Automated quantitative measurements and associated error covariances for planetary image analysis by Tar, P.D., Thacker, N.A., Gilmour, J.D., Jones, M.A.

“…This paper presents a flexible approach for extracting measurements from planetary images based upon the newly developed linear Poisson models technique. The…”
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Comparison of cerebral blood volume maps generated from T2 and T1 weighted MRI data in intra-axial cerebral tumours by Haroon, H A, Patankar, T F, Zhu, X P, Li, K L, Thacker, N A, Scott, M J, Jackson, A

“…We compared parametric maps, measured values and value distributions of cerebral blood volume (CBV) derived from (1) first pass T1 weighted dynamic…”
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The effects of motion on parametric fMRI analysis techniques by Thacker, N A, Burton, E, Lacey, A J, Jackson, A

“…Subject motion during the time course of functional activation studies has been shown to cause spurious signals which can mimic 'true' activation. Therefore,…”
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Comparison of cerebral blood volume maps generated from T 2 and T 1 weighted MRI data in intra-axial cerebral tumours by Haroon, H A, Patankar, T F, Zhu, X P, Li, K L, Thacker, N A, Scott, M J, Jackson, A

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An array processor for general purpose digital image compression by Yates, R.B., Thacker, N.A., Evans, S.J., Walker, S.N., Ivey, P.A.

“…A new VLSI processor (DIP chip) for image compression is presented which combines principles of multipipeline and array processing. The device is not specific…”
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Improved high resolution MR imaging for surface coils using automated intensity non-uniformity correction: Feasibility study in the orbit by Vokurka, Elizabeth A., Watson, Nick A., Watson, Yvon, Thacker, Neil A., Jackson, Alan

“…This study examined the effects of a recently developed automated intensity non‐uniformity correction on surface coil images using the orbit as an exemplar…”
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The statistical properties of raw and preprocessed ToF mass spectra by Thacker, N.A., Tar, P.D., Seepujak, A.P., Gilmour, J.D.

“…[Display omitted] •Methods of alignment, baseline correction and peak integration for ToF mass spectra are reconsidered.•We demonstrate that carefully designed…”
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