Recent Journal Covers from Our Group

Selected Publications (Imaging)

49. Amar Kavuri and Mini Das, "Examining the Influence of Digital Phantom Models in Virtual

Imaging Trials for Tomographic Breast Imaging" Journal of Medical Imaging, vol. 12, 1  (2025). 

Earlier version onArXiv: https://arxiv.org/pdf/2402.00812

48.  Juan C. R. Luna and Mini Das, " Iterative clustering material decomposition aided by empirical spectral correction for high-resolution photon counting spectral detectors in micro CT." Journal of medical Imaging, Vol. 11, 1, (2025) . Our Image forms the cover page of the special issue on Photon Counting Detectors. https://www.spiedigitallibrary.org/journals/journal-of-medical-imaging/volume-11/issue-S1

 Also earlier version on https://arxiv.org/abs/2310.10913

47. Jingcheng Yuan and Mini Das, " Transport-of-Intensity Equation Model for Single-Mask Differential X-ray Phase Contrast Imaging." Optica, vol. 11, 4 (2024) Access: https://opg.optica.org/optica/fulltext.cfm?uri=optica-11-4-478&id=548775

46. Anthony Donaldson, Diego Andrade and Mini Das, "Sensitivity of functional near-infrared spectroscopy to optical properties in brain imaging." Proc. SPIE, Multiscale Imaging and Spectroscopy (2023) https://doi.org/10.1117/12.2657054

45. Cale E. Lewis and Mini Das, "Energy-sensitive scatter estimation and correction for spectral x-ray imaging with photon-counting detectors." Journal of Instrumentation, 17 (2022) DOI 10.1088/1748-0221/17/12/P12004

44. J C R Luna, Ian Harmon and Mini Das, "Tissue classification and contrast agent separation in spectral micro CT using Medipix3 CdTe detector." Proc. SPIE, Physics of Medical Imaging (2022)

43. Ivan Vazquez, Ian Harmon, Juan C. R. Luna and Mini Das, " Quantitative Phase Retrieval with Low Photon Counts using an Energy Resolving Quantum Detector." Journal of Optical Society of America A , vol. 38, 1 (2021). Early access: https://doi.org/10.1364/JOSAA.396717

42. William H. Nisbett, Amar Kavuri and Mini Das, " On the correlation between second order texture features and human observer detection performance in digital images." Nature Scientific Reports (2020)  Open access

41. Amar Kavuri and Mini Das, "Relative contributions of anatomical and quantum noise in signal detection and perception of tomographic digital breast images.", IEEE Transactions on Medical Imaging (2020) In Press. Early access: doi: 10.1109/TMI.2020.2991295.  https://ieeexplore.ieee.org/document/9081991

40. Cale E. Lewis and Mini Das, " Spectral signatures of X-ray scatter using energy-resolving photon-counting detectors." Sensors, 19(22) (2019). https://doi.org/10.3390/s19225022

39. Nathaniel R. Fredette, S Vespucci, A Kavuri and Mini Das, " Multi-step material decomposition for spectral computed     tomography," Physics in Medicine and Biology, vol. 64 (2019).(Highlighted in Nature Reviews Physics Feature article (2019): Read "X-Ray Images in Full Colour" by Dr. Zoe Burdikis. Click Here for a free read version.

38.   Stefano Vespucci, C. S. Park, R. C. Torrico, Mini Das, "Robust energy calibration method for photon counting x-ray detectors." IEEE Transactions on Medical Imaging, vol. 38 (2019).

37. Stefano Vespucci and Mini Das, "Spectrally varying spatial frequency properties of a small pixel photon counting detector", Proc. SPIE, Physics of Medical Imaging, 10573 (2018).

36. William H. Nisbett, Amar Kavuri and Mini Das, "Investigating the contributions of anatomical variations and quantum noise to image texture in digital breast tomosynthesis", Proc. SPIE, Physics of Medical Imaging, 10573 (2018).

35. S. Vespucci, Cale E. Lewis, CS Park and Mini Das, "Examining phase contrast sensitivity to signal location and tissue thickness in breast imaging", Proc. SPIE, Physics of Medical Imaging, 10573 (2018).

34. Z. Jiang, Mini Das, Howard C. Gifford, "Analyzing visual-search observers using eye-tracking data for digital breast tomosynthesis images," J. Opt. Soc. Am. A 34, 838-845 (2017).

33. Amar Kavuri, N. R. Fredette and Mini Das, "Interaction of anatomic and quantum noise in DBT power spectrum", Proceedings of SPIE, Image Perception, Observer Performance, and Technology Assessment Vol. 10577 (2018).

32. William H. Nisbett, Amar 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).

31. 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).

30. 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 Physics of Imaging, 10136 (2017).

29. 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).

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

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

26. 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).

25.  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.

24. 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.

23. 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).

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

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

20. 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).

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

18. 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).

17. 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).

16. 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).

15.  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).

14. 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).

13. 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).

12.  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).

11.  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).

10.  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).

9.  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).

8.  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).

7.  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)