![Software Catalog](images/hdr-software-catalog.gif)
Open Source Software
+ GSFC Open Source Web Site*
Licensable Software
Global Alert Resolution Network (GARNET)
GARNET is an enterprise software application capable of delivering emergency and time-sensitive alerts to affected individuals via a variety of communication channels. Alerts can be delivered within an organization to employees, or outside an organization to large pools of subscribers, such as organization and community members.
+ Find out more about GARNET
GPS-Enhanced Onboard Navigation System (GEONS)
GEONS is a flight software package that provides onboard orbit determination and control in real time, with higher accuracy, without human intervention, and while requiring minimal onboard computing resources. It substantially improves definitive and predictive accuracy of Global Positioning System (GPS) receiver point solution fixes, achieving accuracies of at least 20 meters and 3 cm/sec.
+ Find out more about GEONS
Hilbert-Huang Transform (HHT)
The HHT technology is a highly efficient, adaptive, and user-friendly set of algorithms capable of analyzing time-varying processes. Designed specifically for nonlinear and nonstationary signals, HHT can be used to analyze data in a wide variety of applications. The algorithms also provide increased accuracy when used to analyze linear and stationary signals.
+ Find out more about HHT
Recursive Hierarchical Segmentation (RHSEG) Pre-Processing Software
The RHSEG software provides hierarchical segmentation (pre-processing) of image and image-like data. The software significantly improves the extraction of patterns from complex data sets and is optimized for speed and accuracy. This algorithm provides the user with precise control for selecting the desired level of detail from the hierarchy of results.
+ Find out more about the RHSEG suite
Software-related Links
+ Software Assurance Technology Center*
+ Independent Verification and Validation Facility*
+ NASA Advanced Supercomputing Division*
+ Open Source Initiative*
+ Open Channel Foundation Cosmic Software Collection*
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