[Web4lib] RE: sharpening images and OCR

[Robert Sullivan]

>> We have just captured photographs from old newspapers that are on microfilm.
>> We are about to put these images on the Web. What software is best for
>> enhancing these images? Sometimes, there are black lines going down through the
>> image.
>
> Lines like that are common when you scan newspaper and sometimes magazine photos.  Most scanning software has an option called "de-screen" which should eliminate those lines when you scan the images.

Since John is working from microfilm, I think he means the lines
caused by decades of wear and tear on the microfilm rather than the
moire effect which can be alleviated by descreening.

-- 
Bob Sullivan
Schenectady Digital History Archive
<http://www.schenectadyhistory.org/>
Schenectady County (NY) Public Library