Abstract :
The paradigm shift from “print & distribute model” to “distribute & print model” has paved way to a rapidly increasing printer market in both consumer and commercial sectors. The demand on the printer to be faster and intelligent, has posed many technological and commercial challenges in the printer industry.
This presentation is intended to form an impression in the audience, as to the design and functionality internal to the printer, especially, the Raster Image Processor (RIP). An overview of Printer Definition Languages (PDLs), how they have evolved, and the impact on the RIP will be discussed. Commonly used RIP design strategies involving immediate and delayed rendering will be presented, identifying their inherent advantages and disadvantages. Particular component technologies, such as Colour Management and Halftoning will also be briefly discussed. In conclusion, new technological challenges posed by Portable Document Format (PDF) transparency model, print object switching and colour/contrast adjustment will be presented and discussed.
Brief Bio presenter:
Dr Chaminda Weerasinghe is currently, Section Manager (Colour Raster Image Processing) at the Toshiba Research and Development Laboratory, North Ryde Sydney. Dr Weerasinghe obtained his BE degree in Electrical Engineering from the University of Wollongong and PhD from the University of Sydney. He was a Senior Research Engineer at the Motorola Labs in Sydney where he worked on a range of Image Processing projects including, Digital Still Camera Image Processing Chain, Virtual Video Reality, Image Interpolation for Visual Displays and Video Surveillance. He has recently been working on Raster Image Processing for Printers. He is the author of several journal papers and conferences publications, including book chapters. He has also co-authored 3 patent applications all in the field of Digital Image Processing.
