Method and apparatus for reduced size image

Method and apparatus for reduced size image

  • CN 1,655,577 B
  • Filed: 02/08/2005
  • Issued: 06/27/2012
  • Est. Priority Date: 02/12/2004
  • Status: Active Grant
First Claim
Patent Images

1. method that is used to produce thumbnail image comprises:

  • Retrieval has the image of predetermined y row, and each row comprises predetermined x the pixel that forms live width;

    Y_ positional value based on increasing progressively with the y_ increment size is discerned the row that will be not dropped;

    In each row that will be not dropped, the pixel in the neighborhood of selecting to draw from current x_ positional value and x_ sizes values, the pixel in this neighborhood is selected with the pixel in the image of generation minification;

    The selected pixel of combination is with the value of the current pixel that produces said thumbnail image in each row that will be not dropped;

    In first neighborhood, comprise one or more pixels, said one or more pixels are in corresponding in current x_ positional value and the border corresponding to the position of current x_ positional value and x_ sizes values sum;

    Through following steps is that the next pixel of said thumbnail image produces next current x_ positional value;

    With x_ increment size and current x_ positional value addition, perhaps corresponding to the current pixel of said thumbnail imageWith y_ increment size and current y_ positional value addition corresponding to the current pixel of said thumbnail image;

    And;

    If x_ increment size and current x_ positional value sum surpass row _ width value;

    Perhaps when the x_ of minification image count value surpassed x_ count limit value, the current x_ positional value of the next one was set to the x_ initial value, and wherein said x_ count value is discerned the pixel in the current line of said minification image;

    Next pixel for said thumbnail image;

    In next neighborhood, comprise pixel;

    These pixels are in the next border corresponding to the current x_ positional value of the next one, and the current x_ positional value of the said next one is corresponding to current x_ positional value and x_ sizes values sum;

    AndWhen corresponding to the position of current x_ positional value near line width, to such an extent as to add that the last pixel of reusing the row of being discerned is as selected pixel when surpassing line width after the x_ sizes values.

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