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Old 08-21-2014, 08:28 AM   #2
Howard Allen
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Welcome to the forum!

An image editing program, like Photoshop (or the less expensive Photoshop Elements) should be able to achieve most of what you want to do. Starting with good quality scans (preferably TIFF or Photoshop format, rather than JPEGs), you can use Photoshop's Threshold tool (Image menu/Adjustments/Threshold...) to reduce lighter greys to pure white and darker greys to pure black. Experiment with the slider. For more subtle control, you might try using the Levels tool (Image/Adjustments/Levels...) to tweak the highlights, midtones and black points individually. To get rid of scattered specks that may remain, you could then try some of the filters, such as Despeckle (Filter/Noise/Despeckle).

You may have to resort to some hand editing (a graphics tablet--e.g. Wacom--with a pen will make this as painless as possible) to get rid of other junk, such as the underlined passages in your example.

I've attached an edited example of your file, on which I've applied the Threshold and Despeckle functions.
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File Type: jpg 19112 threshold.jpg (101.5 KB, 36 views)

   
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