Prof. Erick L. Oberstar
at Univ of Wisconsin-Madison
SPIE Involvement:
Area of Expertise:
Image Processing , 4D Fluoro , Computed Tomography , Algorithm Development , 4D DSA , Mechatronics
Profile Summary

Experienced engineer in areas of real time embedded control, signal, and image processing applied to Aerospace, Biomedical, Defense, HVAC, and Testing industries as well as government sub contracting. Wisconsin - certified Professional Engineer.

Extensive cross disciplinary (Mechatronics) development.

Specialties: Contrast Dynamics, Image Processing, Algorithm development, 4D-Fluoro, 4D-DSA, Computed Tomotraphy, Mechatronics, Embedded Real Time Fixed Point Control/DSP architecture development...
Publications (8)

Proceedings Article | 3 April 2023 Presentation + Paper
Proceedings Volume 12466, 124660U (2023)
KEYWORDS: Aneurysms, X-rays, Magnetic resonance imaging, X-ray imaging, Image restoration, 3D image reconstruction, Blood circulation, 3D image processing, Contrast agents

Proceedings Article | 16 March 2020 Presentation + Paper
Proceedings Volume 11312, 1131216 (2020)
KEYWORDS: Modulation, Blood circulation, Angiography, Actuators, Control systems, Fluid dynamics, Prototyping, Computing systems, Human-machine interfaces, Calibration

SPIE Journal Paper | 11 January 2017 Open Access
Erick Oberstar, Michael Speidel, Brian Davis, Charles Strother, Charles Mistretta
JMI, Vol. 4, Issue 01, 013501, (January 2017)
KEYWORDS: Signal to noise ratio, Image filtering, 3D image processing, 3D image reconstruction, 3D metrology, Angiography, Bone, Digital filtering, Gaussian filters, 3D acquisition

Proceedings Article | 22 March 2016 Paper
Erick Oberstar, Michael Speidel, Brian Davis, Charles Strother, Charles Mistretta
Proceedings Volume 9783, 978302 (2016)
KEYWORDS: Signal to noise ratio, Angiography, Digital filtering, 3D acquisition, X-rays, Reconstruction algorithms, Electronic filtering, Radiation dosimetry, Neuroimaging, Image filtering, 3D image processing, 3D image reconstruction, Bone, 3D metrology, Interference (communication), Gaussian filters

SPIE Journal Paper | 25 January 2016 Open Access
JMI, Vol. 3, Issue 01, 013503, (January 2016)
KEYWORDS: Spatial resolution, 3D image processing, Modulation transfer functions, Angiography, Spatial frequencies, Temporal resolution, 3D image reconstruction, Point spread functions, 3D acquisition, Medical imaging

Showing 5 of 8 publications
Course Instructor
NON-SPIE: Mechatronics in Control & Product Realization
Course objective is to develop a working knowledge of: • Fundamentals of electromechanical control systems • Using microcontrollers in products for control and how to create intelligent interfaces • Motor & sensor interfaces • C programming • Control computer system architecture • Software and hardware principles for computer control
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