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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.

Document Type: Research Article

Publication date: 2010-01-01

More about this publication?
  • 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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