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Research on the halftoning method to achieve high-fidelity printing

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We can extend ink color development space by using high purity, other than the four-color ink and more than four-color separations and halftoning replication methods in order to more accurately reproduce the original color. A new printing images halftoning method of frequency modulation amplitude modulation was studied in this paper. This method is based on the principle of AM halftoning, only changed the AM screening lines among the different halftoning images, that is changing the spatial distribution frequency of screen dots, in this way, even in the smaller screening angle (sometimes, even in the same screening angle), we can also achieve the screen dots overlapped images and avoid producing moiré fringe. If this method is combined with the conventional same frequency four-color AM halftoning method, we can realize the more than four-color halftoning without obvious moiré fringe. The frequency conversion AM halftoning configuration method of four-color plus spot colors was proposed in this paper, and non-frequency modulation halftoning highfidelity printing images were obtained. The results showed that the images achieved the desired effect of high-fidelity printing.
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Document Type: Research Article

Publication date: 01 January 2010

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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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