Tutorial 8: CMOS Imagers: From Phototransduction to Image Processing


Pamela Abshire; University of Maryland
Orly Pecht; Ben-Gurion University
Ralph Etienne-Cummings; Johns Hopkins University
Marc Cohen; University of Maryland
Philippe Pouliquen; Johns Hopkins University

Time & Location

Sunday Afternoon, May 23, 13:15 - 16:15, Location: Port McNeil


Over the last 10 years, we have seen a significant proliferation of inexpensive electronic cameras into the market place. Cheap electronic imaging is required in a number of fields, such as security systems, video conferencing, machine vision and toys. Ubiquitous electronic imaging, or “live-style imaging,” has been fueled, directly and indirectly, by the development of CMOS technology that allows the incorporation of photo-detection, signal conditioning and read-out circuitry on the same chip. Although most of the electronic cameras sold today are still based on CCD technology, competition from CMOS has mandated drastic price reductions in order to stay competitive. Furthermore, as the quality of CMOS cameras improve and the cost continues to decrease, they will eventually surpass CCDs in the market place. This will be further accelerated by the realization of complex image processing on the CMOS focal plane that will lead to single chip cameras and smart vision sensors. Clearly, there is an important role for CMOS to play in advanced imaging.

Despite developments articulated above, it is still rare to find courses on silicon-based imaging systems offered in Universities. It is therefore incumbent on societies, such as CAS, to offer tutorials in this field, so that the membership can be exposed to the fundamentals and the state-of-the-art. We hope that this tutorial will not only provide information to newcomers, but will also form the foundation upon which a rigorous course on the subject can be developed. Hence, this tutorial will provide a journey from the basic physics of photo-transduction, through the recent developments in focal-plane image processing, to novel concepts in imaging and advanced aspects of design optimization.

We plan to offer a half-day course, consisting of four lectures. This half-day would start from the basic concepts and go through recent design applications.

List of Topics and Presenters

  1. Opening Remarks
  2. "Fundamentals of Silicon-Based Phototransduction," Pamela Abshire, University of Maryland, USA
  3. "Active Pixel Sensor Design – from pixels to systems," Orly Yadid-Pecht, Ben-Gurion University, Israel
  4. "Focal-Plane Image Conditioning, Processing and Read-Out Electronics," Ralph Etienne-Cummings, Johns Hopkins University, USA
  5. "Alternative FPN Cancellation Techniques" Marc Cohen, University of Maryland, USA
  6. Closing Remarks

Presenter Information

Coming soon.

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