Joel Garland Fletcher, MD

  • 14012 Citations
  • 64 Scopus h-Index
1991 …2020

Research output per year

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Research Output

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Conference contribution
2019

Correlation between a deep-learning-based model observer and human observer for a realistic lung nodule localization task in chest CT

Gong, H., Walther, A., Hu, Q., Koo, C. W., Takahashi, E. A., Levin, D. L., Johnson, T. F., Hora, M. J., Leng, S., Fletcher, J. G., McCollough, C. H. & Yu, L., Jan 1 2019, Medical Imaging 2019: Image Perception, Observer Performance, and Technology Assessment. Nishikawa, R. M. & Samuelson, F. W. (eds.). SPIE, 109520K. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 10952).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Simulation of CT images reconstructed with different kernels using a convolutional neural network and its implications for efficient CT workflow

Missert, A. D., Leng, S., McCollough, C. H., Fletcher, J. G. & Yu, L., Jan 1 2019, Medical Imaging 2019: Physics of Medical Imaging. Bosmans, H., Chen, G-H. & Schmidt, T. G. (eds.). SPIE, 109482Y. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 10948).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations
2017

A virtual clinical trial using projection-based nodule insertion to determine radiologist reader performance in lung cancer screening CT

Yu, L., Hu, Q., Koo, C. W., Takahashi, E. A., Levin, D. L., Johnson, T., Hora, M. J., Dirks, S., Chen, B., McMillan, K., Leng, S., Fletcher, J. G. & McCollough, C. H., 2017, Medical Imaging 2017: Physics of Medical Imaging. SPIE, Vol. 10132. 101321R

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations
2016

An open library of CT patient projection data

Chen, B., Leng, S., Yu, L., Holmes III, D. R., Fletcher, J. G. & McCollough, C. H., 2016, Medical Imaging 2016: Physics of Medical Imaging. SPIE, Vol. 9783. 97831B

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Evaluation of a projection-domain lung nodule insertion technique in thoracic CT

Ma, C., Chen, B., Koo, C. W., Takahashi, E. A., Fletcher, J. G., McCollough, C. H., Levin, D. L., Kuzo, R. S., Viers, L. D., Vincent Sheldon, S. A., Leng, S. & Yu, L., 2016, Medical Imaging 2016: Physics of Medical Imaging. SPIE, Vol. 9783. 97835Y

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations
2012

Adaptive non-local means filtering based on local noise level for CT denoising

Li, Z., Yu, L., Trzasko, J. D., Fletcher, J. G., McCollough, C. H. & Manduca, A., May 4 2012, Medical Imaging 2012: Physics of Medical Imaging. 83131H. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 8313).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Automated detection and diagnosis of Crohn's disease in CT enterography

Näppi, J. J., Sahani, D. V., Fletcher, J. G. & Yoshida, H., Mar 21 2012, Abdominal Imaging: Computational and Clinical Applications - Third International Workshop, Held in Conjunction with MICCAI 2011, Revised Selected Papers. p. 84-90 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7029 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Computer-aided polyp detection for laxative-free CT colonography

Panjwani, N., Linguraru, M. G., Fletcher, J. G. & Summers, R. M., Mar 21 2012, Abdominal Imaging: Computational and Clinical Applications - Third International Workshop, Held in Conjunction with MICCAI 2011, Revised Selected Papers. p. 18-26 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7029 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations
2011

Computer-assisted diagnosis for quantitative image-based analysis of Crohn's disease in CT enterography

Näppi, J., Lee, J. G., Fletcher, J. G. & Yoshida, H., Dec 23 2011, Virtual Colonoscopy and Abdominal Imaging: Computational Challenges and Clinical Opportunities - Second International Workshop, Held in Conjunction with MICCAI 2010, Revised Selected Papers. p. 84-90 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6668 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

Adaptive modulation of bilateral filtering based on a practical noise model for streaking and noise reduction in multi-slice CT

Yu, L., Manduca, A., Jacobsen, M., Trzasko, J. D., Fletcher, J. G., DeLone, D. R. & McCollough, C. H., Dec 1 2010, Medical Imaging 2010: Physics of Medical Imaging. PART 2 ed. 76222O. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 7622, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Evaluation of dual-front active contour segmentation and metal shadow filling methods on metal artifact reduction in multi-slice helical CT

Li, H., Yu, L., Guimaraes, L. S., Fletcher, J. G. & McCollough, C. H., Dec 1 2010, Medical Imaging 2010: Physics of Medical Imaging. PART 2 ed. 76222N. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 7622, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2009

Comparative study of two image space noise reduction methods for computed tomography: Bilateral filter and nonlocal means

Ramirez Giraldo, J. C., Kelm, Z. S., Guimaraes, L. S., Yu, L., Fletcher, J. G., Erickson, B. J. & McCollough, C. H., Dec 1 2009, Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. p. 3529-3532 4 p. 5334714. (Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

24 Scopus citations

Evaluating "Optimal CNR" as a Preset Criteria for Nonlinear Moidal Blending of Dual Energy CT Data

Holmes, D. R., Apel, A., Fletcher, J. G., Guimaraes, L. S., Eusemann, C. E. & Robb, R. A., Jun 19 2009, Medical Imaging 2009: Visualization, Image-Guided Procedures, and Modeling. 726123. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 7261).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reproducibility of aortic pulsatility measurements from ECG-gated abdominal CTA in patients with abdominal aortic aneurysms

Manduca, A., Fletcher, J. G., Wentz, R. J., Shields, R. C., Vrtiska, T. J., Siddiki, H. & Nielson, T., Jun 22 2009, Medical Imaging 2009: Biomedical Applications in Molecular, Structural, and Functional Imaging. 72620L. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 7262).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations
2008

CAD of colon cancer on CT colonography cases without cathartic bowel preparation

Linguraru, M. G., Zhao, S., Van Uitert, R. L., Liu, J., Fletcher, J. G., Manduca, A. & Summers, R. M., Dec 1 2008, Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08. p. 2996-2999 4 p. 4649833. (Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology").

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations

Dual energy CT - How to best blend both energies in one fused image?

Eusemann, C., Holmes, D. R., Schmidt, B., Flohr, T. G., Robb, R., McCollough, C., Hough, D. M., Huprich, J. E., Wittmer, M., Siddiki, H. & Fletcher, J. G., Jun 18 2008, Medical Imaging 2008 - Visualization, Image-Guided Procedures, and Modeling. 691803. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 6918).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

22 Scopus citations

Sinogram smoothing with bilateral filtering for low-dose CT

Lifeng, Y., Manduca, A., Trzasko, J. D., Khaylova, N., Kofler, J. M., McCollough, C. M. & Fletcher, J. G., May 14 2008, Medical Imaging 2008 - Physics of Medical Imaging. 691329. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 6913).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Scopus citations
2007

Automatic segmentation and Co-registration of gated CT angiography datasets: measuring abdominal aortic pulsatility

Wentz, R., Manduca, A., Fletcher, J. G., Siddiki, H., Shields, R. C., Vrtiska, T., Spencer, G., Primak, A. N., Zhang, J., Nielson, T., McCollough, C. & Lifeng, Y., Oct 15 2007, Medical Imaging 2007: Physiology, Function, and Structure from Medical Images. PART 2 ed. 65111I. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 6511, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations
2006

Geometric modeling, functional parameter calculation, and visualization of the in-vivo distended rectal wall

Haider, C. R., Camp, J. J., Fletcher, J. G., Robb, R. A. & Bharucha, A. E., Jun 30 2006, Medical Imaging 2006: Physiology, Function, and Structure from Medical Images. 61431D. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 6143 I).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations