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Developing a Computational Radial Basis Function (RBF) Architecture for Nonlinear Scattered Color Data

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The paper describes a nonlinear approach for constructing color conversions based on radial basis functions (RBFs). The RBF is embedded in a two-layer structure that uses a linear transfer function for the output units and a nonlinear transfer function for the hidden units. RBFs are popular for interpolating scattered data as the associated system of linear equations is guaranteed to be invertible under very mild conditions on the locations of the data points. In particular, RBFs do not require that the data lie on any sort of regular grid. The purpose of using RBFs in color conversion is to improve the accuracy, efficiency, and performance of optimization and interpolation for high-dimensional non-linear scattering data. This approach is practical with color conversions for color devices, which have nonlinear behavior, for example, color printers. Preliminary results have shown that the RBF color mapping technique can be very effective in reducing the maximum errors of color conversions. In one experiment we observed that the maximum error was reduced by half.

Document Type: Research Article

Publication date: 2006-01-01

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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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