News tagged with data compression

Encryption is less secure than we thought

Information theory—the discipline that gave us digital communication and data compression—also put cryptography on a secure mathematical foundation. Since 1948, when the paper that created information theory first appear ...

Aug 14, 2013 4.2 / 5 (66) 9 | with audio podcast

Minimizing communication between cores

In the mid-1990s, Matteo Frigo, a graduate student in the research group of computer-science professor Charles Leiserson (whose work was profiled in the previous installment in this series), developed a parallel version of a fast Fou ...

Feb 28, 2011 3 / 5 (4) 0 | with audio podcast

Court rules against inventors in patent case

(AP) -- The Supreme Court on Monday refused to weigh in on whether software, online-shopping techniques and medical diagnostic tests can be patented, saying only that inventors' request for protection of a method of hedging ...

Jun 28, 2010 4 / 5 (1) 1

Putting the squeeze on data

(PhysOrg.com) -- Data compression is one of the fundamental research areas in computer science, letting information systems do more with less. It’s the reason the iPod nano can hold thousands of songs instead ...

Dec 21, 2009 5 / 5 (3) 0

Program does impressive file size reductions

We intuitively understand the value of being able to make things smaller without sacrificing performance. The endeavor produces smaller speakers with bigger sound and a host of portable electronic devices such as digital ...

Sep 18, 2009 1.6 / 5 (14) 3