newsletter archives - May, 2004

Volume 9. Issue 5.

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New Online Knowledge Base and Forum Launched!

Black Ice Software has recently launched a new online Knowledge Base and Forum, which can be accessed by anyone by visiting the following webpage: http://www.blackice.com/forum/index.php.

The new Knowledge Base contains a collection of articles compiled by our technical support team and have now been made available to the public.  New articles are constantly added in an effort to assist developers with their application development using the Black Ice toolkits.

Additionally, the addition of an online forum to the Black Ice website provides developers with a mechanism to communicate with each other as well as our technical support team, and to allow others to benefit from their experiences.  Developers can also request source code samples and new features that they would like to see in upcoming release of the Black Ice development tools.


Processing a Very Noisy Fax

Using the Black Ice Document Imaging SDK/ActiveX’s Filters and Effects, developers can add a wide variety of image processing to their applications. 

One of the most commonly encountered scenarios where image processing plays a key role is in fax image processing.  Since faxing relies on so many variables (Sending and receiving hardware, phone lines, fax protocols, etc.) there are many places where noise and other undesirable results can occur. 

By Using the Document Imaging SDK/ActiveX’s Filters and Effects, developers can provide solutions to a variety of scenarios.

For Example:

The image below was taken from a fax received in the Black Ice Sales office, and contains a severe degree of transmission noise, which is a common occurrence in faxed documents:

(see Received Fax Sample)

The received fax image can be greatly improved and enhanced by using a single filter from the Black Ice Document Imaging SDK/ActiveX.   By applying a Binary Opening filter using the following matrix:

(0, 0, 0,

 1, 1, 1,

  0, 0, 0)

all of the fax transmission noise is removed from the received image, resulting in a much cleaner image (see Received Fax Sample After Filtering).

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