Michael Vrhel Email & Phone Number

Sammamish, WA

Sammamish, Washington, United States

• Magnit, Optical Scientist III at Meta Reality Labs - Development of mathematical models and optimizations for AR/VR display systems.
• Central Washington University, Mathematics Department - Instructor for mathematics courses including Precalculus I/II, Calculus, and Linear Algebra.
• Image Engineering, Kerpen Germany – Development of mathematical and software solutions for optical devices used in the spatial characterization of cameras.
• North Carolina State University, Electrical Engineering Department – Visiting scientist. Research on various topics in digital color imaging.
• Independent development in C of 3D PDF (Product Representation Compact) parser, API, 3D renderer.
• Expert Witness. Provide expert reports, perform depositions, assist with claim construction, and perform reviews of prior art and IPR petitions.

Sammamish, Washington, United States

At Artifex Software, I designed and implemented the color management pipeline for Ghostscript. This solution is now used by millions of users. I developed optimized SIMD solutions for transparency rendering, halftoning, image interpolation, and color conversion. I developed a GPU solution for color conversion and created an API to Ghostscript for C# and.

Redmond, Washington, United States

The focus of my work at Pagemark Technology was the development of XPS (XML Page Specification) technologies including a platform independent rasterizer, SDK and viewer written in C++. At the time, Pagemark was a three-person company, and I wrote approximately 80,000 lines of code during my time there.

Versailles, Île-de-France, France

TAK Imaging developed a system-on-a-chip (SOC) ASIC solution for photo printers (dye sublimation and ink-jet). My position at TAK Imaging was with the Advanced Technology Group. My research efforts were concentrated on optimizing the imaging pipeline in a resource constrained environment.

Redmond, Washington, United States

ViewAhead Technology was acquired by Conexant Systems. The work described below for ViewAhead was continued at Conexant.

Redmond, Washington, United States

ViewAhead Technology developed a system-on-a-chip (SOC) ASIC solution for multifunction peripherals (MFPs) and other I/O intensive internet appliances. MFPs are the devices which copy, print, scan, and fax in color. My position at ViewAhead and Conexant was to lead the development of the algorithms for image processing, which included halftoning, color.

Springboro, Ohio, United States

The focus at Color Savvy Systems was the design and development of color measuring instrumentation, as well as characterization software for color printers, scanners, and monitors. Successful products required research on improved models for printers, scanners, and photometric instruments. The focus of my research was the development of a mathematical.

Bethesda, Maryland, United States

See NRC Research Associate description below. This position was a continuation of that work.

Bethesda, Maryland, United States

During my tenure at NIH, I was with the Biomedical Engineering and Instrumentation Program (BEIP). My primary function at BEIP was to collaborate on research projects with medical scientists within the various institutes of NIH. To carry out this function, I proposed research projects to various groups within these institutes. Typically, the biological.

Phd, Electrical Engineering

Focused on image and signal processing, estimation theory, and mathematics. Dissertation subject dealt with color image processing.

Ms, Electrical Engineering

Focused on signal and image processing, computer engineering, analog electronics, and mathematics.

Bs, Electrical Engineering

Focused on communication systems, analog electronics, and computer engineering.

Education record