Black-Box Models for Laser Electrophotographic Printers – Recent Progress
In our previous work, we developed a strategy to account for the impact of a 5×5 neighborhood of pixels on the measured value of a printer-addressable pixel at the center of that neighborhood. We also examined the potential influence of a much larger neighborhood of pixels (45×45) on the central printeraddressable pixel. In the present paper, we improve the design of the test page for 45×45 pixel models to yield more accurate and more robust results with fewer pages. We create six different models to more accurately account for local neighborhood effects and the influence of a 45×45 neighborhood of pixels on the central printer-addressable pixel. These models have a variety of computational structures that allow system designers to choose the model that is best-suited to their particular application. They also offer varying degrees of accuracy. The model validation experimental results show that the best of these new models can yield a significant improvement in the accuracy of the prediction of the pixel values of the printed halftone image. With respect to prediction of mean absorptance (cross-validation), we gain over a 4× improvement in accuracy between the best of the six new models and our previous 5×5 model.
Document Type: Research Article
Publication date: 2013-01-01
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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