Top

Author Archive | Clyde Lettsome

Introduction to Wavelets and Filter Banks

Although the history of filter banks and wavelets has been brief, they have had a large impact on signal and image processing. Filter banks, which came first, are used for a number of different audio (1D), images (2D), and video (2D frames changed 30 times every second for interlaced video) applications. Filtering is a linear […]

Continue Reading

Heartbleed: Protect Your Data

If you typically ignore computer bug warnings and alerts this is one you should take seriously. It is called the Heartbleed bug and it is a hole in the secure connection between your computer and internet servers that you often query for information. Prior to the bug detection experts estimated that it affected more than […]

Continue Reading

Copyright © 2011-2017 C. A. Lettsome Services, LLC., 160 Clairemont Ave, Suite 200, Decatur, GA 30030