Imaging Physics (Selected Publications)

1) William H. Nissbet, Amareswararao Kavuri, Nathaniel R. Fredette and Mini Das, " On the impact of image texture parameters on search and localization in digital breast tomosynthesis," Proc. SPIE  Physics of Imaging, 10136 (2017).

2) Nathaniel R. Fredette, Cale E. Lewis and Mini Das, " A multi-step method for material decomposition in spectral computed tomography." Proc. SPIE Physics of Imaging, 10136 (2017).

3) Cale E. Lewis, Chan Soo Park and Mini Das, " Impact of Compton scatter on material decomposition using a photon counting x-ray detector," Proc. SPIE Phsyics of Imaging, 10136 (2017).

4) Mini Das, Chan Soo Park, Nathaniel R. Fredette, "Single-shot x-ray phase contrast imaging with an algorithmic approach using spectral detection," Proc. SPIE, 9783 (2016).

5) Howard C. Gifford, Zhihua Liang, Mini Das, "Visual-search observers for assessing tomographic x-ray image quality," Med. Phys. 43 (2016)

6) Mini Das, Zhihua Liang, Howard C. Gifford, "Examining wide-arc digital breast tomosynthesis: optimization using a visual-search model observer," Proc. SPIE, 9412 (2015)

7) Mini Das, Bigyan Kandel, Chan Soo Park, Zhihua Liang, "Energy calibration of photon counting detectors using x-ray tube potential as a reference for material decomposition applications in medical imaging," Proc. SPIE (2015).

8) Mini Das and Zhihua Liang, “ Spectral x-ray phase contrast imaging for single-shot retrieval of absorption, phase and differential phase imagery.” Optics Letters, 39, 21 (2014).

Editors choice paper  highlighted in the Virtual Journal of Biomedical Optics.

9) Mini Das and Zhihua Liang, “An approximated transport of intensity equation for coded aperture x-ray phase contrast imaging.” Optics Letters, 39, 18 (2014).

Editors choice paper  highlighted in the Virtual Journal of Biomedical Optics.

10)     Tom Campbell-Ricketts and Mini Das, “ Direct spectral recovery using x-ray fluorescence measurements for material decomposition applications using photon counting spectral x-ray detectors.”, Proc. SPIE, 9033 (2014).

11) Doga Gursoy, Mini Das, "Single step absorptiona nd phase retrieval with polychromatic x-rays using a spectral detector." Optics Letters, 38, 9 (2013).

12)     Beverly Lau, Mini Das and Howard Gifford, “Towards visual-search model observers for mass detection in breast tomosynthesis.” Proc. SPIE, 8668 (2013).

13) Michael O’Connor, Mini Das, Clay Didier, Mufeed Mah’d, Stephen J. Glick, “Generation of voxelized breast phantoms from surgical mastectomy specimens.” Medical Physics, 40 (2013).

14)     Andrey Makeev, Mini Das and Stephen J Glick, “Investigation of statistical iterative reconstruction for dedicated breast CT” Proc. SPIE, 83131 (2012).

15)     Mini Das, Howard C. Gifford, Michael O’Connor, Stephen J. Glick, “Penalized maximum likelihood reconstruction for improved microcalcification detection in breast tomosynthesis.” IEEE Transactions of Medical Imaging, 30, 904-914 (2011).

16)      Mini Das and Howard C. Gifford, “Comparison of model observer and human observer performance for breast tomosynthesis : effect of reconstruction and acquisition parameters.” SPIE Medical Imaging : Physics of Medical Imaging, 7961 (2011).

17)      Michael O’Connor, Mini Das, Clay Didier, Mufeed Mah’d, Stephen J. Glick, “Development of an ensemble of digital breast object model.” Lecture Notes in Computer Science 6136, 54-61 (2010).

18)      Mini Das, Howard Gifford, Michael O’ Connor, Stephen Glick, “Improved MC detection in digital breast tomosynthesis using a PML reconstruction technique.”  Lecture Notes in Computer Science, 6136, 697-703 (2010).

19)      Mini Das, Howard C. Gifford, Michael O’Connor, Stephen J. Glick, “ Evaluation of a variable dose acquisition technique for microcalcification and mass detection in digital breast tomosynthesis.” Medical Physics, 36, 1976-1984 (2009).

20)      Jie Xu, Patrick  A. Kelly, Paul Sequeira, Mini Das, “A hypothesis testing approach with microwave breast imaging in conjunction with CT.”  SPIE Medical Imaging: Physics of Medical Imaging, vol. 7622 (2009).

21)      Michael O’Connor, Mini Das, Clay Didier, Stephen J. Glick, “Using Mastectomy specimens to develop breast models for breast tomosynthesis and CT imaging.”  SPIE Medical Imaging : Physics of Medical Imaging, vol: 6913 (2008).

20)      Chen Xu, Mini Das, Ardeshirpour Y, Quing Zhu,” An image reconstruction method for a two-layer structure accounts for chest-wall effects in breast imaging,”  J. Biomedical Optics, vol. 13, 6 (2008).

22)      Howard Gifford, Clay Didier, Mini Das, Stephen J. Glick, “ Optimising breast tomosynthesis acquisition parameters with scanning model observers.” SPIE Medical Imaging: Image Perception, Observer Performance and Technology Assessment, vol. 6917 (2008).

23)      Michael O’Connor, Mini Das, Clay Didier, Mufeed Mah’d, Stephen J. Glick, “Comparison of two methods to develop breast models for simulation of breast tomosynthesis and CT.”, Lecture Notes in Computer Science , 5116, 417-425 (2008).

24)     Mini Das , Quing Zhu, “  Optical tomography for breast cancer imaging using a two-layer tissue model to include chest-wall effects.” SPIE Medical Imaging : Physiology, Function, and Structure from Medical Images, vol. 6511 (2007).

25)      Mini Das, Chen Xu, Q. Zhu, “Analytical solution for light propagation in a  two layer tissue model with tilted interface for breast imaging,” Applied Optics, 45 5027-5036 (2006).

Optical Fiber Gratings/Light Propagation in periodic structures (Selected Publications)

1)     K. Thyagarajan, Mini Das, M. N. Satyanarayan, “A simple and direct method to estimate long period grating parameters”, Optics Communications, 218, 67-72 (2003).

2)     S. Ramachandran, Mini Das, Z. Wang, J. Fleming and M. Yan,” High extinction broad-band polarisers using long period fiber-gratings in few mode fibers,” Electronic Letters, vol. 38, 22, 1327-1328 (2002).

3)     Mini Das, S. Ramachandran, Z. Wang, M. Yan, Broadband  adjustable,  polarization-dependent loss compensators using long period fiber gratings, ECOC, 10.4.5 (2002).

4)     Mini Das, K. Thyagarajan, “Dispersion compensation using uniform Long Period Fiber Gratings”, Optics Communications, 190, 159-163 (2001).

5) Mini Das, K. Thyagarajan, “Wavelength division multiplexing isolation filters using concatenated chirped Long period gratings,” Optics Communications, 197, 67-71 (2001).

6) P. Palai, M. N. Satyanarayan, Mini Das, K. Thyagarajan, B. P. Pal, “Characterization and simulation of long period gratings fabricated using electric discharge,” Optics Communications, 193, 181-185 (2001).

PUBLICATIONS