Search Results - "Riviere, Patrick J. La"

A High-Sensitivity Benchtop X-Ray Fluorescence Emission Tomography (XFET) System With a Full-Ring of X-Ray Imaging-Spectrometers and a Compound-Eye Collimation Aperture by Mandot, Shubham, Zannoni, Elena M., Cai, Ling, Nie, Xingchen, Riviere, Patrick J. La, Wilson, Matthew D., Meng, Ling Jian

“…The advent of metal-based drugs and metal nanoparticles as therapeutic agents in anti-tumor treatment has motivated the advancement of X-ray fluorescence…”
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Image reconstruction in photoacoustic tomography with variable speed of sound using a higher-order geometrical acoustics approximation by Modgil, Dimple, Anastasio, Mark A, La Rivire, Patrick J

“…Previous research correcting for variable speed of sound in photoacoustic tomography (PAT) based on a generalized radon transform (GRT) model assumes…”
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Dissection of molecular assembly dynamics by tracking orientation and position of single molecules in live cells by Mehta, Shalin B., McQuilken, Molly, La Riviere, Patrick J., Occhipinti, Patricia, Verma, Amitabh, Oldenbourg, Rudolf, Gladfelter, Amy S., Tani, Tomomi

“…Regulation of order, such as orientation and conformation, drives the function of most molecular assemblies in living cells but remains difficult to measure…”
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An early chondrichthyan and the evolutionary assembly of a shark body plan by Coates, Michael I., Finarelli, John A., Sansom, Ivan J., Andreev, Plamen S., Criswell, Katharine E., Tietjen, Kristen, Rivers, Mark L., La Riviere, Patrick J.

“…Although relationships among the major groups of living gnathostomes are well established, the relatedness of early jawed vertebrates to modern clades is…”
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Multivariate Cluster Point Process to Quantify and Explore Multi-Entity Configurations: Application to Biofilm Image Data by Majumder, Suman, Coull, Brent A, Welch, Jessica L Mark, Riviere, Patrick J La, Dewhirst, Floyd E, Starr, Jacqueline R, Lee, Kyu Ha

“…Clusters of similar or dissimilar objects are encountered in many fields. Frequently used approaches treat each cluster's central object as latent. Yet, often…”
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Reflective imaging improves spatiotemporal resolution and collection efficiency in light sheet microscopy by Wu, Yicong, Kumar, Abhishek, Smith, Corey, Ardiel, Evan, Chandris, Panagiotis, Christensen, Ryan, Rey-Suarez, Ivan, Guo, Min, Vishwasrao, Harshad D., Chen, Jiji, Tang, Jianyong, Upadhyaya, Arpita, La Riviere, Patrick J., Shroff, Hari

“…Light-sheet fluorescence microscopy (LSFM) enables high-speed, high-resolution, and gentle imaging of live specimens over extended periods. Here we describe a…”
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Assessment of vectorial total variation penalties on realistic dual-energy CT data by Rigie, David S, Sanchez, Adrian A, La Rivière, Patrick J

“…Vectorial extensions of total variation have recently been developed for regularizing the reconstruction and denoising of multi-channel images, such as those…”
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Penalized-likelihood sinogram smoothing for low-dose CT by La Riviere, Patrick J.

“…We have developed a sinogram smoothing approach for low-dose computed tomography (CT) that seeks to estimate the line integrals needed for reconstruction from…”
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Joint reconstruction of multi-channel, spectral CT data via constrained total nuclear variation minimization by Rigie, David S, La Rivière, Patrick J

“…We explore the use of the recently proposed 'total nuclear variation' (TVN) as a regularizer for reconstructing multi-channel, spectral CT images. This convex…”
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Comparison of photoacoustic image reconstruction algorithms using the channelized Hotelling observer by Petschke, Adam, La Rivière, Patrick J

“…We demonstrate the use of task-based image-quality metrics to compare various photoacoustic image-reconstruction algorithms, including a method based on the…”
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Photoacoustic image reconstruction in an attenuating medium using singular-value decomposition by Modgil, Dimple, Treeby, Bradley E, La Rivie re, Patrick J

“…Attenuation effects can be significant in photoacoustic tomography since the generated pressure signals are broadband, and ignoring them may lead to image…”
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X-ray tomography system to investigate granular materials during mechanical loading by Athanassiadis, Athanasios G, La Rivière, Patrick J, Sidky, Emil, Pelizzari, Charles, Pan, Xiaochuan, Jaeger, Heinrich M

“…We integrate a small and portable medical x-ray device with mechanical testing equipment to enable in situ, non-invasive measurements of a granular material's…”
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Optimizing wavelength choice for quantitative optoacoustic imaging using the Cramer-Rao lower bound by Modgil, Dimple, La Riviére, Patrick J

“…Several papers have recently addressed the issue of estimating chromophore concentration in optoacoustic imaging (OAI) using multiple wavelengths. The choice…”
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From EMI to AI: a brief history of commercial CT reconstruction algorithms by La Riviere, Patrick J, Crawford, Carl R

“…Computed tomography was one of the first imaging modalities to require a computerized solution of an inverse problem to produce a useful image from the data…”
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Guest Editorial Low-Dose CT: What Has Been Done, and What Challenges Remain? by Liang, Jerome Zhengrong, La Riviere, Patrick J., El Fakhri, Georges, Glick, Stephen J., Siewerdsen, Jeff

“…The introduction of computed tomography (CT) in 1972 was among the most significant development in medical imaging since the discovery of X-rays in 1895. In…”
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Comparison of blood flow models and acquisitions for quantitative myocardial perfusion estimation from dynamic CT by Bindschadler, Michael, Modgil, Dimple, Branch, Kelley R, La Riviere, Patrick J, Alessio, Adam M

“…Myocardial blood flow (MBF) can be estimated from dynamic contrast enhanced (DCE) cardiac CT acquisitions, leading to quantitative assessment of regional…”
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Uncovering the Effects of Symbiosis and Temperature on Coral Calcification by Dellaert, Zoe, Vargas, Phillip A., La Riviere, Patrick J., Roberson, Loretta M.

“…We tested the impact of temperature and symbiont state on calcification in corals, using the facultatively symbiotic coral Astrangia poculata as a model…”
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Image reconstruction in optoacoustic tomography for dispersive acoustic media by La Rivière, Patrick J, Zhang, Jin, Anastasio, Mark A

“…Conventional image reconstruction methods for optoacoustic tomography (OAT) assume an idealized, non-dispersive acoustic medium. However, the linear…”
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Single-fluorophore orientation determination with multiview polarized illumination: modeling and microscope design by Chandler, Talon, Mehta, Shalin, Shroff, Hari, Oldenbourg, Rudolf, La Rivière, Patrick J

“…We investigate the use of polarized illumination in multiview microscopes for determining the orientation of single-molecule fluorescence transition dipoles…”
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Implementation and comparison of reconstruction algorithms for two-dimensional optoacoustic tomography using a linear array by Modgil, Dimple, La Rivie re, Patrick J

“…Our goal is to compare and contrast various image reconstruction algorithms for optoacoustic tomography (OAT) assuming a finite linear aperture of the kind…”
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