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Dependence of optimum edge enhancement condition on object histogram

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Edge enhancement is effective to improve image quality. The optimum condition of edge enhancement has been studied on the histogram of objects of the image. When the edge of object is enhanced, our visual system becomes easy to recognize the shape and have sharp feeling. But if the edge is enhanced too much, we feel the image unnatural. It has been studied that the optimum edge enhancement depends on the histogram of image. In this study, the optimum conditions dependence on the factors of edge strength and color effect is investigated. The optimum edge enhancement condition will be varied by the sharpness of the edge of object. The image objects of various levels of edge sharpness are processed by edge enhancement and the processed images are estimated by subjective evaluation. The optimum edge enhancement condition is obtained.

Document Type: Research Article

Publication date: January 1, 2008

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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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