Information Technology & Software


Briefs: Information Technology
Coherent Phase Line Enhancer: a Method of Spectral Analysis

The term "coherent phase line enhancer" (CPLE) refers to a dual-transform method of spectral analysis that enhances the detection of periodic and quasi-periodic signals buried in...

Briefs: Information Technology
Software for Secure Distribution of Data

MECS is a computer program for the automated, secure, rapid, and efficient transfer of data between a central source and users at multiple distant locations. "MECS" signifies "Multi-mission Encrypted...

Briefs: Information Technology
Common Database Interface and Report Generator

The Common Database Interface and Report Generator is a computer program that serves as both (1) a single common interface for data-base application programs to gain access to local or remote data...

Briefs: Physical Sciences
General-Purpose Wavelet Program

"S+Wavelets" is the name of a computer program that implements a suite of mathematical "tools" for wavelet analysis of signals (including two-dimensional signals that represent images.) Wavelets, being localized...

Briefs: Information Technology
Automated Generation of Reports of Mars Rover Operations

A document describes a system for the automated generation of reports of operations of a robotic exploratory vehicle (rover) on Mars. The automated report-generation system supplants a...

Briefs: Information Technology
Algorithms for Recognition of Objects in Color Stereo Images

Algorithms have been developed to enable a robotic vision system to recognize, in real time (at a rate between 0.5 and 2 frames per second), known objects lying on the ground. In the...

Briefs: Information Technology
A Metric for Visual Quality of Digital Video

DVQ (which stands for "digital video quality") is a metric for evaluating the visual quality of digitized video images. Other video-quality metrics have been proposed, but it appears that each of them...

Briefs: Information Technology
Cascade Error-Projection Learning in Neural Networks

Cascade error projection (CEP) is an improved learning algorithm for artificial neural networks. CEP is reliable and suitable for efficient implementation in very-large-scale integrated (VLSI)...

Briefs: Information Technology
Expert System Controls and Monitors Thermal System

The Thermal Expert System (TEXSYS) computer program exerts real-time control over a complicated thermal-regulatory system that includes evaporators, condensers, a pump, valves, and sensors. TEXSYS...

Briefs: Information Technology
Partial Subtractive Dither for Lossy Data Compression

A technique of partial subtractive dither has been developed to improve the performance of any of a variety of near-lossless data-compression algorithms. The technique may be applicable to...

Question of the Week
Would you use "Printed Wi-Fi?"

Technology Leaders