Dr. Mini Das Profile

Dr. Mini Das

Assistant Professor at Univ of Houston

SPIE Involvement:

Conference Program Committee | Author

Publications (28)

PROCEEDINGS ARTICLE | March 9, 2018

A sensitivity analysis on parameters that affect a multi-step material decomposition for spectral CT

Proc. SPIE. 10573, Medical Imaging 2018: Physics of Medical Imaging

KEYWORDS: Gold, Signal to noise ratio, Data modeling, Sensors, Signal attenuation, Calcium, Iodine, Computed tomography, Electronic filtering, Filtering (signal processing)

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PROCEEDINGS ARTICLE | March 9, 2018

Investigating the contributions of anatomical variations and quantum noise to image texture in digital breast tomosynthesis

Proc. SPIE. 10573, Medical Imaging 2018: Physics of Medical Imaging

KEYWORDS: Breast, Tumor growth modeling, Data modeling, Imaging systems, Computer simulations, Image analysis, Medical imaging, Image quality, Image filtering, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 9, 2018

Examining phase contrast sensitivity to signal location and tissue thickness in breast imaging

Proc. SPIE. 10573, Medical Imaging 2018: Physics of Medical Imaging

KEYWORDS: Breast, Phase contrast, Polymethylmethacrylate, Tissues, Sensors, X-rays, Free space, Coded apertures, X-ray imaging, Signal detection

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PROCEEDINGS ARTICLE | March 9, 2018

Spectrally varying spatial frequency properties of a small pixel photon counting detector

Proc. SPIE. 10573, Medical Imaging 2018: Physics of Medical Imaging

KEYWORDS: Photon counting, Electronics, Spatial frequencies, Sensors, Spectroscopy, X-rays, Scanning probe microscopy, Modulation transfer functions, Signal detection, X-ray fluorescence spectroscopy

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PROCEEDINGS ARTICLE | March 7, 2018

Interaction of anatomic and quantum noise in DBT power spectrum

Proc. SPIE. 10577, Medical Imaging 2018: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Breast, Optical filters, Tissues, Denoising, Image filtering, Mammography, Electronic filtering, Signal detection, Filtering (signal processing), Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 7, 2018

Assessment of DBT acquisition parameters for 2D and 3D search tasks

Proc. SPIE. 10577, Medical Imaging 2018: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Breast, 3D acquisition, 3D image reconstruction, 3D modeling, Image quality, Image filtering, Reconstruction algorithms, Binary data, 3D image processing, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 10, 2017

Visual-search models for location-known detection tasks

Proc. SPIE. 10136, Medical Imaging 2017: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Mathematical modeling, Signal to noise ratio, Eye, Visual process modeling, Image filtering, Nuclear medicine, Statistical modeling, Performance modeling, Eye models

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PROCEEDINGS ARTICLE | March 10, 2017

On the impact of local image texture parameters on search and localization in digital breast imaging

Proc. SPIE. 10136, Medical Imaging 2017: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Breast, Statistical analysis, X-ray computed tomography, Tumor growth modeling, Imaging systems, Image processing, Medical imaging, Tomography, Digital imaging, Image display, Signal detection, Digital breast tomosynthesis, Breast imaging

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PROCEEDINGS ARTICLE | March 9, 2017

A multi-step method for material decomposition in spectral computed tomography

Proc. SPIE. 10132, Medical Imaging 2017: Physics of Medical Imaging

KEYWORDS: Gold, Photon counting, Signal attenuation, Calibration, X-rays, Computer simulations, Medical imaging, Data acquisition, Computed tomography, Chemical elements, Algorithm development

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PROCEEDINGS ARTICLE | March 9, 2017

Impact of Compton scatter on material decomposition using a photon counting spectral detector

Proc. SPIE. 10132, Medical Imaging 2017: Physics of Medical Imaging

KEYWORDS: Photon counting, Statistical analysis, Polymethylmethacrylate, Sensors, Signal attenuation, Databases, Error analysis, X-rays, Composites, Materials processing, Distortion, Aluminum, Photoelectric effect, Compton scattering, Cones

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PROCEEDINGS ARTICLE | April 18, 2016

Single-shot x-ray phase contrast imaging with an algorithmic approach using spectral detection

Proc. SPIE. 9783, Medical Imaging 2016: Physics of Medical Imaging

KEYWORDS: Phase contrast, Tissues, Sensors, X-rays, Free space, Phase retrieval, Coded apertures, X-ray imaging, Motion measurement, Absorption

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PROCEEDINGS ARTICLE | March 18, 2015

Examining wide-arc digital breast tomosynthesis: optimization using a visual-search model observer

Proc. SPIE. 9412, Medical Imaging 2015: Physics of Medical Imaging

KEYWORDS: Mathematical modeling, Visual process modeling, Tumor growth modeling, Visualization, Image processing, Molybdenum, Optimization (mathematics), Statistical modeling, Systems modeling, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 18, 2015

Single-step, quantitative x-ray differential phase contrast imaging using spectral detection in a coded aperture setup

Proc. SPIE. 9412, Medical Imaging 2015: Physics of Medical Imaging

KEYWORDS: Photon counting, Phase contrast, Sensors, Signal attenuation, X-rays, Coded apertures, X-ray imaging, Coded aperture imaging, X-ray detectors, Absorption

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PROCEEDINGS ARTICLE | March 18, 2015

Energy calibration of photon counting detectors using x-ray tube potential as a reference for material decomposition applications

Proc. SPIE. 9412, Medical Imaging 2015: Physics of Medical Imaging

KEYWORDS: Photon counting, Sensors, Calibration, Metals, Luminescence, X-rays, Silicon, Gadolinium, X-ray detectors, X-ray fluorescence spectroscopy

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PROCEEDINGS ARTICLE | March 17, 2015

Towards using eye-tracking data to develop visual-search observers for x-ray breast imaging

Proc. SPIE. 9416, Medical Imaging 2015: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Breast, Visualization, Calibration, X-rays, Feature extraction, Image filtering, X-ray imaging, Eye models, Digital breast tomosynthesis, Breast imaging

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PROCEEDINGS ARTICLE | March 19, 2014

Direct spectral recovery using X-ray fluorescence measurements for material decomposition applications using photon counting spectral X-ray detectors

Proc. SPIE. 9033, Medical Imaging 2014: Physics of Medical Imaging

KEYWORDS: Photon counting, Sensors, Calibration, Electrodes, Luminescence, X-rays, Distortion, X-ray detectors, X-ray fluorescence spectroscopy, Absorption

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PROCEEDINGS ARTICLE | March 21, 2013

Towards visual-search model observers for mass detection in breast tomosynthesis

Proc. SPIE. 8668, Medical Imaging 2013: Physics of Medical Imaging

KEYWORDS: Breast, Statistical analysis, Visual process modeling, Visual analytics, Visualization, Tissues, 3D modeling, Spherical lenses, Systems modeling, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 19, 2013

Single-step phase contrast x-ray imaging using photon counting detectors

Proc. SPIE. 8668, Medical Imaging 2013: Physics of Medical Imaging

KEYWORDS: Breast, Photon counting, Phase contrast, Tissues, Sensors, Signal attenuation, X-rays, X-ray imaging, X-ray detectors, Absorption

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PROCEEDINGS ARTICLE | March 9, 2012

Effect of postreconstruction filter strength on microcalcification detection at different imaging doses in digital breast tomosynthesis: human and model observer studies

Proc. SPIE. 8313, Medical Imaging 2012: Physics of Medical Imaging

KEYWORDS: Mathematical modeling, Breast, Data modeling, Visualization, Tomography, Digital imaging, Image filtering, Reconstruction algorithms, Visibility, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 9, 2012

Investigation of statistical iterative reconstruction for dedicated breast CT

Proc. SPIE. 8313, Medical Imaging 2012: Physics of Medical Imaging

KEYWORDS: Breast, Optical spheres, X-ray computed tomography, Tumor growth modeling, Detection and tracking algorithms, X-rays, Computer simulations, Computed tomography, Reconstruction algorithms, X-ray imaging

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PROCEEDINGS ARTICLE | March 16, 2011

Comparison of model-observer and human-observer performance for breast tomosynthesis: effect of reconstruction and acquisition parameters

Proc. SPIE. 7961, Medical Imaging 2011: Physics of Medical Imaging

KEYWORDS: Mathematical modeling, Gold, Breast, Visual process modeling, Visualization, Signal attenuation, Image quality, Statistical modeling, Performance modeling, Digital breast tomosynthesis

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PROCEEDINGS ARTICLE | March 22, 2010

A hypothesis testing approach for microwave breast imaging in conjunction with CT

Proc. SPIE. 7622, Medical Imaging 2010: Physics of Medical Imaging

KEYWORDS: Breast, Cancer, Tissues, Sensors, X-rays, Dielectrics, Diagnostics, Computed tomography, Microwave radiation, Breast imaging

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PROCEEDINGS ARTICLE | March 14, 2009

Dose reduction in digital breast tomosynthesis using a penalized maximum likelihood reconstruction

Proc. SPIE. 7258, Medical Imaging 2009: Physics of Medical Imaging

KEYWORDS: Signal to noise ratio, Breast, Optical spheres, Tumor growth modeling, Visualization, Signal attenuation, Image filtering, Reconstruction algorithms, Visibility, Digital breast tomosynthesis

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SPIE Journal Paper | November 1, 2008

Image reconstruction method for a two-layer tissue structure accounts for chest-wall effects in breast imaging

Xu, Chen , Das, Mini , Ardeshirpour, Yasaman , Zhu, Quing

JBO Vol. 13 Issue 06

KEYWORDS: Optical properties, Absorption, Tissue optics, Image restoration, Breast, Reconstruction algorithms, Ultrasonography, Silicon, Tissues, Chest

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PROCEEDINGS ARTICLE | April 3, 2008

Evaluation of a variable dose acquisition methodology for breast tomosynthesis

Proc. SPIE. 6913, Medical Imaging 2008: Physics of Medical Imaging

KEYWORDS: Mathematical modeling, Breast, Image compression, 3D acquisition, X-ray computed tomography, Sensors, X-rays, 3D modeling, Mammography, Systems modeling

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PROCEEDINGS ARTICLE | March 18, 2008

Using mastectomy specimens to develop breast models for breast tomosynthesis and CT breast imaging

Proc. SPIE. 6913, Medical Imaging 2008: Physics of Medical Imaging

KEYWORDS: Breast, X-ray computed tomography, Tumor growth modeling, Data modeling, Tissues, Sensors, X-rays, 3D modeling, Systems modeling, Breast imaging

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PROCEEDINGS ARTICLE | March 6, 2008

Optimizing breast-tomosynthesis acquisition parameters with scanning model observers

Proc. SPIE. 6917, Medical Imaging 2008: Image Perception, Observer Performance, and Technology Assessment

KEYWORDS: Breast, 3D acquisition, Tumor growth modeling, Tumors, Imaging systems, Sensors, 3D modeling, Mammography, Reconstruction algorithms, 3D image processing

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