Search Results - "Paul, Joseph Suresh"

Noncanonical spike-related BOLD responses in focal epilepsy by Lemieux, Louis, Laufs, Helmut, Carmichael, David, Paul, Joseph Suresh, Walker, Matthew C., Duncan, John S.

“…Till now, most studies of the Blood Oxygen Level‐Dependent (BOLD) response to interictal epileptic discharges (IED) have assumed that its time course matches…”
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Comparative analysis of quantitative susceptibility mapping in preclinical dementia detection by Suresh Paul, Joseph, T, Arun Raj, Raghavan, Sheelakumari, Kesavadas, Chandrasekharan

“…•Highlights the potential of QSM in detecting preclinical stages of dementia.•Compares the application of QSM in various dementia types.•Higher sensitivity and…”
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Diffusion sensitivity enhancement filter for raw DWIs by Joshin John Mathew, Alex James, Chandrasekhar Kesavadas, Joseph Suresh Paul

“…In this study, a post‐processing filter to enhance diffusion sensitivity, resulting in larger intensity changes in regions with the abrupt transition of local…”
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Multichannel compressed sensing MR image reconstruction using statistically optimized nonlinear diffusion by Joy, Ajin, Paul, Joseph Suresh

“…Purpose Eliminate the need for parametric tuning in total variation (TV) based multichannel compressed‐sensing image reconstruction using statistically…”
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A mixed‐order nonlinear diffusion compressed sensing MR image reconstruction by Joy, Ajin, Paul, Joseph Suresh

“…Purpose Avoid formation of staircase artifacts in nonlinear diffusion‐based MR image reconstruction without compromising computational speed. Methods Whereas…”
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Multichannel compressed sensing MR image reconstruction using statistically optimized nonlinear diffusion: Statistically Optimized Multichannel Image Reconstruction by Joy, Ajin, Paul, Joseph Suresh

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SWI processing using a local phase difference modulated venous enhancement filter with noise compensation by Madhusoodhanan, Sreekanth, Kesavadas, Chandrasekharan, Paul, Joseph Suresh

“…Susceptibility weighted imaging (SWI) involves post-processing of gradient echo images which are sensitive to the spatial variations in magnetic…”
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A predictor–corrector phase unwrapping algorithm for temporally undersampled gradient‐echo MRI by Kurian, Deepu, Hagberg, Gisela E., Scheffler, Klaus, Paul, Joseph Suresh

“…Purpose To develop a method for unwrapping temporally undersampled and nonlinear gradient recalled echo (GRE) phase. Theory and Methods Temporal unwrapping is…”
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Unveiling metabolic patterns in dementia: Insights from high‐resolution quantitative blood‐oxygenation‐level‐dependent MRI by T., Arun Raj, K., Karthik, Paul, Joseph Suresh

“…Background Oxygen extraction fraction (OEF) and deoxyhemoglobin (DoHb) levels reflect variations in cerebral oxygen metabolism in demented patients. Purpose…”
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Multi‐echo gradient‐recalled‐echo phase unwrapping using a Nyquist sampled virtual echo train in the presence of high‐field gradients by Madhusoodhanan, Sreekanth, Hagberg, Gisela E., Scheffler, Klaus, Paul, Joseph Suresh

“…Purpose To develop a spatio‐temporal approach to accurately unwrap multi‐echo gradient‐recalled echo phase in the presence of high‐field gradients. Theory and…”
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Compressed sensing MRI using an interpolation‐free nonlinear diffusion model by Joy, Ajin, Jacob, Mathews, Paul, Joseph Suresh

“…Purpose Constraints in extended neighborhood system demand the use of a large number of interpolations in directionality‐guided compressed‐sensing nonlinear…”
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Directionality guided non linear diffusion compressed sensing MR image reconstruction by Joy, Ajin, Jacob, Mathews, Paul, Joseph Suresh

“…Purpose Address the shortcomings of edge‐preserving filters to preserve the complex nature of edges, by adapting the direction of diffusion to the local…”
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Automated Regularization Parameter Selection Using Continuation Based Proximal Method for Compressed Sensing MRI by Mathew, Raji Susan, Paul, Joseph Suresh

“…For compressed sensing magnetic resonance imaging (CS-MRI) that utilize sparse representations, the regularization parameter establishes a trade-off between…”
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Sparsity Promoting Adaptive Regularization for Compressed Sensing Parallel MRI by Mathew, Raji Susan, Paul, Joseph Suresh

“…Low sampling density and reduced signal-to-noise ratio resulting from accelerated magnetic resonance data acquisition calls for sparsity promoting…”
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Interleaved Hybrid Domain Learning for Super-Resolution MRI by Ibrahim, Vazim, Datta, Sumit, James, Alex P., Paul, Joseph Suresh

“…In super-resolution magnetic resonance imaging (SR-MRI), the low-resolution scans are acquired keeping the central low-frequency components intact. The…”
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A Frequency-Dependent Regularization for Autocalibrating Parallel MRI Using the Generalized Discrepancy Principle by Mathew, Raji Susan, Paul, Joseph Suresh

“…This paper quantitatively evaluates regularized GRAPPA SPIRiT reconstruction in autocalibrating parallel MRI and develops a frequency-dependent regularization…”
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MR image enhancement using an extended neighborhood filter by Paul, Joseph Suresh, Mathew, Joshin John, Kesavadas, Chandrasekhar

“…•Enhanced intensity is the weighted sum of extended neighbor intensities.•Filter threshold and lattice size are optimized using Contrast Ratio, PSNR, and…”
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A higher dimensional homodyne filter for phase sensitive partial Fourier reconstruction of magnetic resonance imaging by Paul, Joseph Suresh, Krishna Swamy Pillai, Uma

“…Abstract The aim of this paper is to introduce procedural steps for extension of the 1D homodyne phase correction for k-space truncation in all gradient…”
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Special issue on medical image computing and systems by James, Alex Pappachen, Thiruvenkadam, Sheshadri, Paul, Joseph Suresh, Braun, Michael

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A Frequency Domain Network for Hybrid-Domain Super-Resolution MRI by Ibrahim, Vazim, Paul, Joseph Suresh

“…Hybrid-domain networks with sequentially or parallelly connected Frequency-domain (FDN) and Spatial-domain (SDN) networks, have been extensively used for…”
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