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发帖数: 989 | 1 Depends on how big the area is.
More precisely, what is the maximum distance from the set of missing pixels
to the nearest valid pixel.
The general technique is called Infilling.
Here's just an example from Google search result. http://research.microsoft.com/pubs/67276/criminisi_tip2004.pdf
When the text is very thin, a masked local averaging will do the job.
img = imread( filename ) ;
[ nrows, ncols, nchan ] = size ( img ) ;
imgColor = double ( img ) .* (1 / 255) ;
imgGray = rgb2gray ( imgColor... 阅读全帖 |
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