Correction of High Frequency Smear in Thermal Printers

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A new algorithm is introduced to combat high-frequency thermal smear. This algorithm has been shown to give an extra sharpness boost to thermal prints that is not achievable by traditional sharpening algorithms. This algorithm should be tuned in conjunction with traditional thermal smear and sharpening algorithms. It is possible to preconvolve the text-smear filter with the sharpening filter resulting in the ability to apply a single filter to the image. The single filter applies sharpness and text-smear correction in one step.

Document Type: Research Article

Publication date: January 1, 2006

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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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