Search Results - "Avila, Ricardo S."

Calibration phantom-based prediction of CT lung nodule volume measurement performance by Avila, Ricardo S., Krishnan, Karthik, Obuchowski, Nancy, Jirapatnakul, Artit, Subramaniam, Raja, Yankelevitz, David

“…A calibration phantom-based method has been developed for predicting small lung nodule volume measurement bias and precision that is specific to a particular…”
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A Quantitative Method for Estimating Individual Lung Cancer Risk by Avila, Ricardo S., MS, Zulueta, Javier J., MD, Shara, Nawar M., PhD, Jansen, Kenneth, PhD, Veronesi, Giulia, MD, Wang, Hong, MD, Mulshine, James L., MD

“…Rationale and Objectives Lung cancer is caused primarily by repeated exposure to carcinogenic particulate matter and noxious gasses with high particulate…”
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Quality assurance and quantitative imaging biomarkers in low-dose CT lung cancer screening by Rydzak, Chara E, Armato, Samuel G, Avila, Ricardo S, Mulshine, James L, Yankelevitz, David F, Gierada, David S

“…After years of assessment through controlled clinical trials, low-dose CT screening for lung cancer is becoming part of clinical practice. As with any cancer…”
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QIBA guidance: Computed tomography imaging for COVID-19 quantitative imaging applications by Avila, Ricardo S., Fain, Sean B., Hatt, Chuck, Armato, Samuel G., Mulshine, James L., Gierada, David, Silva, Mario, Lynch, David A., Hoffman, Eric A., Ranallo, Frank N., Mayo, John R., Yankelevitz, David, Estepar, Raul San Jose, Subramaniam, Raja, Henschke, Claudia I., Guimaraes, Alex, Sullivan, Daniel C.

“…As the COVID-19 pandemic impacts global populations, computed tomography (CT) lung imaging is being used in many countries to help manage patient care as well…”
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An open-source toolkit for the volumetric measurement of CT lung lesions by Krishnan, Karthik, Ibanez, Luis, Turner, Wesley D, Jomier, Julien, Avila, Ricardo S

“…An open source lesion sizing toolkit has been developed with a general architecture for implementing lesion segmentation algorithms and a reference algorithm…”
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Emphysema Detection in the Course of Lung Cancer Screening: Optimizing a Rare Opportunity to Impact Population Health by Mulshine, James L, Aldigé, Carolyn R, Ambrose, Laurie Fenton, Armato, 3rd, Samuel G, Avila, Ricardo S, Cham, Matt, Estepar, Raul San Jose, Fain, Sean B, Gazourian, Lee, Gierada, David S, Hatt, Charles, Henschke, Claudia I, Hoyos, Jody, Lynch, David A, McGlothlin, Anita K, Oudkerk, Matthijs, Pasquinelli, Mary, Pinsky, Paul, Pyenson, Bruce, Rizzo, Albert A, Ross, Sheila M, Schmitz, Kathryn H, Silva, Mario, Okwuosa, Tochukwu, Washko, George, Wisnivesky, Juan, Yankelevitz, David F, Zulueta, Javier J

“…Mulshine et al discuss emphysema detection in the course of lung cancer screening (LCS). Two recent reports examine data from two separate large screening…”
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The International Association for the Study of Lung Cancer Early Lung Imaging Confederation by Mulshine, James L, Avila, Ricardo S, Conley, Ed, Devaraj, Anand, Ambrose, Laurie Fenton, Flanagan, Tanya, Henschke, Claudia I, Hirsch, Fred R, Janz, Robert, Kakinuma, Ryutaro, Lam, Stephen, McWilliams, Annette, Van Ooijen, Peter M A, Oudkerk, Matthijs, Pastorino, Ugo, Reeves, Anthony, Rogalla, Patrick, Schmidt, Heidi, Sullivan, Daniel C, Wind, Haije H J, Wu, Ning, Wynes, Murry, Xueqian, Xie, Yankelevitz, David F, Field, John K

“…To improve outcomes for lung cancer through low-dose computed tomography (LDCT) early lung cancer detection. The International Association for the Study of…”
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Pulmonary Nodule Detection with Low-Dose CT of the Lung: Agreement Among Radiologists by Leader, Joseph K, Warfel, Thomas E, Fuhrman, Carl R, Golla, Sara K, Weissfeld, Joel L, Avila, Ricardo S, Turner, Wesly D, Zheng, Bin

“…The purpose of our study was to assess relative intra- and interobserver agreement in detecting pulmonary nodules when interpreting low-dose chest CT screening…”
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Introduction: Imaging in diagnosis and treatment of lung cancer by Mulshine, James L, Baer, Thomas M, Avila, Ricardo S

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Simultaneous Estimation of Bias and Resolution in PET Images With a Long-Lived "Pocket" Phantom System by Kinahan, Paul E, Byrd, Darrin W, Helba, Brian, Wangerin, Kristen A, Liu, Xiaoxiao, Levy, Joshua R, Allberg, Keith C, Krishnan, Karthik, Avila, Ricardo S

“…A challenge in multicenter trials that use quantitative positron emission tomography (PET) imaging is the often unknown variability in PET image values,…”
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Model-based detection of lung nodules in computed tomography exams. Thoracic computer-aided diagnosis by McCulloch, Colin C, Kaucic, Robert A, Mendonça, Paulo R S, Walter, Deborah J, Avila, Ricardo S

“…In this study, we developed a prototype model-based computer aided detection (CAD) system designed to automatically detect both solid and subsolid pulmonary…”
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Developing CT image-processing tools to accelerate progress in lung cancer drug development by Mulshine, James L, Avila, Ricardo S, Hirsch, Fred R, Yankelevitz, David

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Model-based analysis of local shape for lesion detection in CT scans by Mendonça, Paulo R S, Bhotika, Rahul, Sirohey, Saad A, Turner, Wesley D, Miller, James V, Avila, Ricardo S

“…Thin-slice computer tomography provides high-resolution images that facilitate the diagnosis of early-stage lung cancer. However, the sheer size of the CT…”
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Model-based detection of lung lesions in CT exams by Kaucic, Robert A, McCulloch, Colin C, Mendonça, Paulo R.S, Walter, Deborah J, Avila, Ricardo S, Mundy, Joseph L

“…The thorough detection of nodules in high-resolution CT lung scans is an increasingly difficult, labor-intensive, and critical radiological task. Recent…”
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A Hardware Acceleration Method for Volumetric Ray Tracing by Sobierajski, Lisa M., Avila, Ricardo S.

“…In this paper we present an acceleration method for volumetric ray tracing which utilizes standard graphics hardware without compromising image accuracy. The…”
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Visualization of calcium activity in nerve cells by Sobierajski, L.M., Avila, R.S., O'Malley, D.M., Wang, S., Kaufman, A.E.

“…Calcium plays an important role in many cellular functions. This investigation of its role in nervous system behavior uses imaging techniques, confocal…”
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A haptic interaction method for volume visualization by Avila, Ricardo S., Sobierajski, Lisa M.

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Towards a comprehensive volume visualization system by Avila, Ricardo S., Sobierajski, Lisa M., Kaufman, Arie E.

“…The VolVis system has been developed to satisfy the diverse requirements of the volume visualization community by comfortably housing numerous visualization…”
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Visualizing nerve cells by Avila, R.S., Sobierajski, L.M., Kaufman, A.E.

“…We have developed a comprehensive volume visualization system called VolVis. VolVis is a general-purpose system of potential use in any field that needs to…”
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