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Iteratively Clustered Interpolation (ICI) Algorithm for Geometrical Interpolation of an Irregularly Spaced Multidimensional Color Space

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A printer inverse map is usually represented as a multivariable lookup table, associating points in the printer's output color space with points in the printer's input color space. This lookup table is an essential component in many print quality enhancement algorithms. It is often desirable to have a printer inverse table with input nodes regularly spaced on a sequential plane. Thus, the computation of this lookup table requires the interpolation of irregularly sampled multidimensional data, coming from experiments used to determine the printer forward map. Existing computational techniques do not provide an accurate printer inverse map from irregularly sampled data. In this paper we introduce a new Iteratively Clustered Interpolation (ICI) algorithm to compute an accurate inverse table from irregularly sampled color data. This algorithm is based on a gradient optimization method with initial points generated through a novel iterative technique. Experimental results are included to show the effectiveness of this algorithm in comparison with other techniques.
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Document Type: Research Article

Publication date: 2000-01-01

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  • 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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