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Dr. Daniel Bednarek
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Adjunct Professor of Physics, Ph.D., Chicago (1978)
Professor: Dept of Radiology, Dept of Neurosurgery,
and Dept of Physiology and Biophysics
Office: BRB 451 and ECMC Radiology, (716) 898-4193
Email: benarek@buffalo.edu
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Education |
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Ph.D. -- University of Chicago (1978)
M.S. -- University of Chicago (1973)
B.S. -- Canisius College (1969)
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Research Interests |
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Continued innovations in medical imaging have made the diagnosis
of disease more accurate and its treatment less invasive. It has been
the role of the medical physicist to combine the latest technology with
basic physical principles to create these innovations and evaluate
their impact on patient care. Our research initiatives have involved
the investigation of new imaging technologies, new applications of
medical imaging to clinical problems, and means to monitor and
control radiation dose. With the latest in clinical imaging equipment
available, the possibilities for research investigations are numerous.
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- Development of a micro-radiographic receptor for neurovascular interventional imaging
- Development and evaluation of new selenium flat panel image receptors and phosphor-fiber optic-CCD digital medical image receptors for digital radiography and fluoroscopy
- Design and development of an automatic patient radiation dose tracking system for interventional radiological procedures
- Development of tiled high-resolution display for digital mammographic image interpretation
- Dose reduction and image optimization by radiation beam modulation and real-time image processing for brightness equalization during region-of-interest radiography
- Three dimensional volume reconstruction from multiple cone-beam projections
- Image-intensifier distortion characterization and correction
- Blood-flow quantification by tracking radiographic contrast media using high-resolution bi-plane digital radiography
- Identification of the optimal features for a digital cardiac-catheterization imaging system
- Improving methodology to provide quality assurance in medical imaging including radiography, fluoroscopy, ultrasound, nuclear radiography, and magnetic resonance imaging
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Selected Publications |
- "Computer aided bootstrap generation of characteristic curves for radiographic imaging systems", DR Bednarek and S Rudin, Medical Physics 28(4): 515-520 (2001).
- "Comparison of two dose-area-product ionization chambers with different conductive surface coating for over-table and under-table tube configurations", DR Bednarek and S Rudin, Health Physics 78: 316-321 (2000).
- "Super-global distortion correction for a rotational C-arm x-ray image intensifier", R Liu, S Rudin, and DR Bednarek, Medical Physics 26(9): 1802-1810 (1999).
- "Real-time equalization of region-of-interest fluoroscopic images using binary masks", S Rudin, DR Bednarek, and CY Yang, Medical Physics 29(7): 1359-1364 (1999).
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