Search Results - "Reiser, I."

Task-based assessment of breast tomosynthesis: Effect of acquisition parameters and quantum noise by Reiser, I., Nishikawa, R. M.

“…Purpose: Tomosynthesis is a promising modality for breast imaging. The appearance of the tomosynthesis reconstructed image is greatly affected by the choice of…”
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Validation of a power-law noise model for simulating small-scale breast tissue by Reiser, I, Edwards, A, Nishikawa, R M

“…We have validated a small-scale breast tissue model based on power-law noise. A set of 110 patient images served as truth. The statistical model parameters…”
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On the orientation of mammographic structure by Reiser, I., Lee, S., Nishikawa, R. M.

“…Purpose: Burgesset al. have shown that the power-spectral density of mammographic breast tissue P(f) follows a power-law, P(f) = c/f β.1 Due to the complexity…”
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Computerized mass detection for digital breast tomosynthesis directly from the projection images by Reiser, I., Nishikawa, R. M., Giger, M. L., Wu, T., Rafferty, E. A., Moore, R., Kopans, D. B.

“…Digital breast tomosynthesis (DBT) has recently emerged as a new and promising three-dimensional modality in breast imaging. In DBT, the breast volume is…”
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TH‐E‐217BCD‐01: Contrast‐To‐Noise Ratio Is Not an Appropriate Measure of CT Image Quality When Comparing Different Iterative Reconstruction Algorithms by Reiser, I, Lu, Z, Nishikawa, R

“…Purpose: Contrast‐to‐noise ratio (CNR) is currently one of the pass/fail criteria in acceptance testing and annual quality control of CT scanners as well as…”
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Automated detection of mass lesions in dedicated breast CT: A preliminary study by Reiser, I., Nishikawa, R. M., Giger, M. L., Boone, J. M., Lindfors, K. K., Yang, K.

“…Purpose: To develop an automated method to detect breast masses on dedicated breast CT (BCT) volumes and to conduct a preliminary evaluation of its…”
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MO‐A‐214‐01: 3D Breast Models by Nishikawa, R, Glick, S, Bakic, P, Reiser, I

“…Breast CT and breast tomosynthesis are being developed to overcome the principal limitation of mammography, namely the superposition of breast tissue. The…”
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Automated detection of microcalcification clusters for digital breast tomosynthesis using projection data only: A preliminary study by Reiser, I., Nishikawa, R. M., Edwards, A. V., Kopans, D. B., Schmidt, R. A., Papaioannou, J., Moore, R. H.

“…Digital breast tomosynthesis (DBT) is a promising modality for breast imaging in which an anisotropic volume image of the breast is obtained. We present an…”
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Immune reconstitution renal-limited sarcoidosis presenting as acute kidney injury by Fernandez, V A, Thomas, D B, Reiser, I W, Spitalewitz, S

“…An HIV-infected asymptomatic woman developed acute kidney injury six weeks after initiation of combination antiretroviral therapy (cART). A renal biopsy…”
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TH‐D‐201B‐08: An Anthropomorphic Software Breast Phantom for Tomosynthesis Simulation: Power Spectrum Analysis of Phantom Reconstructions by Lau, B, Bakic, P, Reiser, I, Carton, A‐K, Maidment, A, Nishikawa, R

“…Purpose: To validate an anthropomorphic software breast phantom for simulation studies by analyzing breast structure in projection and reconstructed images…”
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TH‐C‐332‐09: The Effect of Variable Exposure Distribution On Microcalcification Detectability in Tomosynthesis by Lau, B, Reiser, I, Nishikawa, R

“…Purpose: To investigate the fundamental limitation of tomosynthesis acquisition on the detectability of microcalcifications (MCs) and to investigate the…”
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TH‐C‐BRD‐02: Optimization of CT Simulation Imaging in Radiation Therapy: Strategies and Tools by Reiser, I.

“…IGRT has significantly improved the accuracy of radiation treatment by utilizing CT scans for contouring target and organ during treatment planning and x‐ray…”
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Computerized Detection of Mass Lesions in Digital Breast Tomosynthesis Images Using Two- and Three Dimensional Radial Gradient Index Segmentation by Reiser, I., Nishikawa, R. M., Giger, M. L., Wu, T., Rafferty, E., Moore, R. H., Kopans, D. B.

“…Initial results for a computerized mass lesion detection scheme for digital breast tomosynthesis (DBT) images are presented. The algorithm uses a radial…”
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SU‐EE‐A2‐02: Efficient Automatic Pre‐Selection of Mass Lesion Candidates in DBT Breast Volumes by Reiser, I, Nishikawa, R, Giger, M, Rafferty, E, Moore, R, Kopans, D, Wu, T

“…Purpose: We are developing a computerized mass detection algorithm for the DBT breast volume. Extending existing concepts from projection mammography to 3D is…”
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SU‐E‐I‐46: Sample‐Size Dependence of Model Observers for Estimating Low‐Contrast Detection Performance From CT Images by Reiser, I, Lu, Z

“…Purpose: Recently, task‐based assessment of diagnostic CT systems has attracted much attention. Detection task performance can be estimated using human…”
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Trimethoprim-sulfamethoxazole induces reversible hyperkalemia by GREENBERG, S, REISER, I. W, SHYAN-YIH CHOU, PORUSH, J. G

“…To determine the effect of trimethoprimsulfamethoxazole (Tmp-Smx) on serum potassium concentration. Retrospective cohort study. An urban teaching hospital…”
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WE‐G‐204‐01: BEST IN PHYSICS (IMAGING): Effect of Image Processing Parameters On Nodule Detectability in Chest Radiography by Little, K, Lu, Z, MacMahon, H, Reiser, I

“…Purpose: To investigate the effect of varying system image processing parameters on lung nodule detectability in digital radiography. Methods: An…”
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WE‐G‐207‐05: Relationship Between CT Image Quality, Segmentation Performance, and Quantitative Image Feature Analysis by Lee, J, Nishikawa, R, Reiser, I, Boone, J

“…Purpose: Segmentation quality can affect quantitative image feature analysis. The objective of this study is to examine the relationship between computed…”
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WE‐E‐18A‐06: To Remove Or Not to Remove: Comfort Pads From Beneath Neonates for Radiography by Jiang, X, Baad, M, Reiser, I, Feinstein, K, Lu, Z

“…Purpose: To obtain an analytical empirical formula for the photon dose source term in forward direction from bremsstrahlung generated from laser‐plasma…”
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SU-G-IeP3-09: Investigating the Interplay of Antiscatter Grids with Modern Detectors and Image Processing in Digital Radiography by Sanchez, A, Little, K, Baad, M, Reiser, I, Lu, ZF, Feinstein, K

“…Purpose: To use phantom and simulation experiments to relate technique factors, patient size and antiscatter grid use to image quality in portable digital…”
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