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Optimal Time-Sequential Sampling of the Color Reproduction Characteristic Function

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Abstract:

This paper describes the design of an optimal time-sequential sampling (OTSS) sequence to sample the color reproduction characteristic (CRC) function which is a high dimensional signal. The CRC describes the printer's desired-color to output-color map. Time-sequential sampling (TSS) is an approach to sample a small number of n color samples (typically n = 3) at each time print belt cycle, while at the same time gives sufficient information to properly reconstruct the time-varying CRC with minimal reconstruction errors. Hence only minimal sensing resources are required to obtain the high dimensional CRC at each time step, making color consistency control possible. Optimality in the OTSS design is achieved by maximizing the time between each successive n samples. The proposed OTSS design can be implemented practically and to achieve nearly similar reconstruction performance, the OTSS sequence with n=1 requires 63% less samples per unit time compared to full sampling.

Document Type: Research Article

Publication date: 2006-01-01

More about this publication?
  • 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.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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