Get our free extension to see links to code for papers anywhere online!

Chrome logo Add to Chrome

Firefox logo Add to Firefox

Picture for David G. Politte

A Machine-learning Based Initialization for Joint Statistical Iterative Dual-energy CT with Application to Proton Therapy


Jul 30, 2021
Tao Ge, Maria Medrano, Rui Liao, David G. Politte, Jeffrey F. Williamson, Joseph A. O'Sullivan


  Access Paper or Ask Questions

Highly accurate model for prediction of lung nodule malignancy with CT scans


Feb 06, 2018
Jason Causey, Junyu Zhang, Shiqian Ma, Bo Jiang, Jake Qualls, David G. Politte, Fred Prior, Shuzhong Zhang, Xiuzhen Huang


  Access Paper or Ask Questions

Laplacian Prior Variational Automatic Relevance Determination for Transmission Tomography


Oct 26, 2017
Jingwei Lu, David G. Politte, Joseph A. O'Sullivan

* 5 pages 2 figures 

  Access Paper or Ask Questions

Spectrally Grouped Total Variation Reconstruction for Scatter Imaging Using ADMM


Jan 29, 2016
Ikenna Odinaka, Yan Kaganovsky, Joel A. Greenberg, Mehadi Hassan, David G. Politte, Joseph A. O'Sullivan, Lawrence Carin, David J. Brady

* Presented at IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) 2015. 4 pages, 2 figures 

  Access Paper or Ask Questions

Joint System and Algorithm Design for Computationally Efficient Fan Beam Coded Aperture X-ray Coherent Scatter Imaging


Jan 29, 2016
Ikenna Odinaka, Joseph A. O'Sullivan, David G. Politte, Kenneth P. MacCabe, Yan Kaganovsky, Joel A. Greenberg, Manu Lakshmanan, Kalyani Krishnamurthy, Anuj Kapadia, Lawrence Carin, David J. Brady

* This paper has been submitted to IEEE Transactions on Computational Imaging for consideration. 18 pages, 6 figures 

  Access Paper or Ask Questions

Alternating Minimization Algorithm with Automatic Relevance Determination for Transmission Tomography under Poisson Noise


Aug 11, 2015
Yan Kaganovsky, Shaobo Han, Soysal Degirmenci, David G. Politte, David J. Brady, Joseph A. O'Sullivan, Lawrence Carin

* Changes relative to the previous version: (1) Minor changes in abstract; (2) The results for simulated data contain another comparison to a previous method; (3) Corrected Eq. (6.3); (4) Additional discussions in Secs.1,7,8 

  Access Paper or Ask Questions

Multiresolution Approach to Acceleration of Iterative Image Reconstruction for X-Ray Imaging for Security Applications


Jun 24, 2015
S. Degirmenci, Joseph A. O'Sullivan, David G. Politte


  Access Paper or Ask Questions