In general, Laser Beam Printer based on electrophotography is known as a high speed and a high quality output printer. We have developed a new Color Laser Printing System, which consists of 400dpi Color Scanner, Image Processing Unit, and a high quality 400dpi printer. Color Scanner scannes an original image and get 8- bits Red, Green and Blue color image data by CCD sensors. Image Processing Unit processes and converts the RGB data to YMC binary image data to output a laser electrophotographic image by the Printer . The new image processing technology reproduces high quality image output for several kinds of images such as text, halftone dot and photographic images. The algorithm of this image restoration forces edge enhancement only in the region of text and line - art, and forces low - pass filtering in halftone dot region in accordance with the information of image characteristics detecting both edge area and halftone area. We have obtained high quality binary color images by this system. Some print samples processed by the system are compared with those by conventional method.


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    Titel :

    Color Laser Printing System With Image Restoration


    Beteiligte:
    Mita, Y. (Autor:in) / Katayama, A. (Autor:in) / Kawamura, N. (Autor:in)

    Kongress:

    Hard Copy Output ; 1989 ; Los Angeles,CA,United States


    Erschienen in:

    Erscheinungsdatum :

    1989-07-06





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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