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Joseph V. Hajnal

Researcher at King's College London

Publications -  608
Citations -  30126

Joseph V. Hajnal is an academic researcher from King's College London. The author has contributed to research in topics: Medicine & Magnetic resonance imaging. The author has an hindex of 80, co-authored 556 publications receiving 25438 citations. Previous affiliations of Joseph V. Hajnal include The Hertz Corporation & Australian National University.

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Area V5 of the Human Brain: Evidence from a Combined Study Using Positron Emission Tomography and Magnetic Resonance Imaging

TL;DR: P positron emission tomography was used to determine the foci of relative cerebral blood flow increases produced when subjects viewed a moving checkerboard pattern, compared to viewing the same pattern when it was stationary.
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A Deep Cascade of Convolutional Neural Networks for Dynamic MR Image Reconstruction

TL;DR: A framework for reconstructing dynamic sequences of 2-D cardiac magnetic resonance images from undersampled data using a deep cascade of convolutional neural networks (CNNs) to accelerate the data acquisition process is proposed and it is demonstrated that CNNs can learn spatio-temporal correlations efficiently by combining convolution and data sharing approaches.
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Automatic anatomical brain MRI segmentation combining label propagation and decision fusion.

TL;DR: A practicable procedure is demonstrated that exceeds the accuracy of previous automatic methods and can compete with manual delineations in segmentation propagation and decision fusion of fused brain segmentations.
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Multi-atlas based segmentation of brain images: Atlas selection and its effect on accuracy

TL;DR: It is concluded that selecting atlases from large databases for atlas-based brain image segmentation improves the accuracy of the segmentations achieved and shows that image similarity is a suitable selection criterion.
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Use of multicoil arrays for separation of signal from multiple slices simultaneously excited.

TL;DR: Increased acquisition efficiency has been achieved by exciting several slices simultaneously using the spatial encoding information inherent in a multicoil receiver system and a matrix inversion provides a solution to unfold these images.