Topics

Information Technology & Software

Stories

Briefs: Information Technology
Thermal Transport Model for Heat Sink Design

A document discusses the development of a finite element model for describing thermal transport through microcalorimeter arrays in order to assist in heat-sinking design. A...

Briefs: Information Technology
Adaptive Morphological Feature-Based Object Classifier for a Color Imaging System

Utilizing a Compact Color Microscope Imaging System (CCMIS), a unique algorithm has been developed that combines human intelligence along with machine vision...

Briefs: Information Technology
Progressive Classification Using Support Vector Machines

Progressive Classification Using Support Vector MachinesAn algorithm for progressive classification of data, analogous to progressive rendering of images, makes it possible...

Briefs: Information Technology
Automated CFD for Generation of Airfoil Performance Tables

A method of automated computational fluid dynamics (CFD) has been invented for the generation of performance tables for an object subject to fluid flow. The method is applicable to the...

Briefs: Information Technology
A Data Matrix Method for Improving the Quantification of Element Percentages of SEM/EDX Analysis

A simple 2D M×N matrix involving sample preparation enables the microanalyst to peer below the noise floor of element percentages reported by the...

Briefs: Information Technology
Improved Model of a Mercury Ring Damper

A short document discusses the general problem of mathematical modeling of the three-dimensional rotational dynamics of rigid bodies and of the use of Euler parameters to eliminate the...

Briefs: Information Technology
Progressive Classification Using Support Vector Machines

An algorithm for progressive classification of data, analogous to progressive rendering of images, makes it possible to compromise between speed and accuracy. This algorithm uses support...

Briefs: Information Technology
Active Learning With Irrelevant Examples

An improved active learning method has been devised for training data classifiers. One example of a data classifier is the algorithm used by the United States Postal Service since the 1960s to...

Briefs: Information Technology
Guaranteeing Failsafe Operation of Extended-Scene Shack-Hartmann Wavefront Sensor Algorithm

A Shack-Hartmann sensor (SHS) is an optical instrument consisting of a lenslet array and a camera. It is widely used for wavefront sensing in...

Briefs: Information Technology
Integrated Risk and Knowledge Management Program — IRKM-P

The NASA Exploration Systems Mission Directorate (ESMD) IRKM-P tightly couples risk management and knowledge management processes and tools to produce an effective “modern” work...

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

Technology Leaders