VintaSoftTwain.NET Library is a pure .NET Library which allows to
control work of scanners, cameras and any other TWAIN devices. With
this library you can fully control the image acquisition process, use
the automatic document feeder, clean up images using noise removal,
auto border crop, blank page detection. Acquired images can be saved to
local disk or into table of SQL database, images also can be uploaded
onto Web or FTP server. Library was tested and has examples of use in:
MS VB.NET, MS C#, Borland Delphi 8.0, Borland C# Builder, ASP.NET.

What's new in this version:
- Functionality for detecting correct position of image (deskew
functionality) has been added.
- Image processing functions (despeckle, border detection, blank page
detection) have been optimized.

You can see more info about library here:
http://www.vintasoft.com/vstwain-dotnet-index.html.