A Simple Procedure for the Restoration of Shadows and Highlights in Digital Prints

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The optimum reproduction of images with extended latitude remains a challenging topic in both digital display and digital printing. Here a simple procedure is described for the restoration and enhancement of shadows and highlights in digital images where significant detail would otherwise be omitted in these regions. This procedure is based on a two-stage image-enhancement algorithm that is simple in concept yet designed according to rigorous visual-science criteria. An outline is presented of how these criteria influence the design of the two stages, and details are given of the practical nature of both these stages for the enhancement of typical extended-latitude digital images.

Document Type: Research Article

Publication date: January 1, 2002

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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