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Digital cartoon and animation process

  • US 6,061,462 A
  • Filed: 03/07/1997
  • Issued: 05/09/2000
  • Est. Priority Date: 03/07/1997
  • Status: Expired due to Fees
First Claim
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1. An image rendering process, comprising:

  • (a) obtaining an original image into an image channel; and

    (b) scrubbing said image channel, to enhance lines which will appear as transitions at borders of a subject in said line art representation;

    (c) scaling said image channel up in size, to render said lines more finely;

    (d) creating an alpha channel from said image channel, to denote key content appearing in said original image;

    (e) creating a monochrome channel from said image channel;

    (f) applying levels filtering to said monochrome channel, to increase contrast of low and mid-range information and thereby obtain further visual definition of said lines;

    (g) applying high-pass filtration to the monochrome channel, to filter out low frequency spatial information and thereby obtain further visual definition of said lines;

    (h) increasing contrast in said monochrome channel, to obtain further visual definition of said lines;

    (i) darkening said monochrome channel, to strengthen visual definition of said lines;

    (j) converting said monochrome channel to final size;

    (k) lining said monochrome channel, to produce consistent thin appearance of said lines; and

    (l) removing noise from said monochrome channel, thereby rendering said image channel into a rotoscope channel and producing a line art representation of said original image.

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