| 摘要 |
<p>A method of transforming an image from a first lower gray-level resolution to a second higher gray level resolution, the method comprising: (a) determining the presence of a slow vignette along a line; (b) determining the length or slope of the vignette along the line; and (c) adjusting gray level values along a portion of the line, responsive to the determined length or slope of the vignette, at the higher gray-level resolution.</p> |
