Welcome Guest! To enable all features, please Login or Register.

Notification

Icon
Error

Options
View
Last Go to last post Unread Go to first unread post
#1 Posted : Wednesday, November 2, 2005 6:30:23 AM(UTC)

DaHudge  
DaHudge

Groups: Registered
Posts: 3


Hello,

Sometimes we scan documents as blank-and-white documents, and sometimes as color documents.  Black-and-white works just fine, but when we scan documents in color, the white areas of the document don't quite appear white.  They have a rather uneven blueish/grayish hue.

Is there any way to fix this?  Perhaps a way of processing the image afer it has been received from the scanner to make near-white areas completely white?

Ken

 

Try the latest version of LEADTOOLS for free for 60 days by downloading the evaluation: https://www.leadtools.com/downloads

Wanna join the discussion? Login to your LEADTOOLS Support accountor Register a new forum account.

#2 Posted : Monday, November 7, 2005 9:49:59 AM(UTC)

Amin  
Amin

Groups: Manager, Tech Support
Posts: 353


Ken,

One way to correct it if the color shift is uniform is to manipulate
the color properties of the image (hue, saturation, etc.) to counter the effect you're getting.


Another way to solve it if your problem is only in the white parts is
to convert these areas to pure white. To do that, you could define a
region based on a color range that contains all these 'whitish' shades. After that, fill this region with white (RGB 255, 255, 255).

The exact details depend on your LEADTOOLS version and programming interface (OCX, DLL API, C++ Classes, etc.)

Amin Dodin

LEADTOOLS Technical Support
Amin Dodin

Senior Support Engineer
LEAD Technologies, Inc.
LEAD Logo
 
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

Powered by YAF.NET | YAF.NET © 2003-2019, Yet Another Forum.NET
This page was generated in 0.103 seconds.