Spectral Processing Extension 1.0.0 has been released on March 3rd, 2010.
View complete list of new features and fixed bugs.
Download Spectral Processing Extension
New Features
- Provide a importer to load Landsat TM and Landsat ETM+ files into Opticks.
- Provides the following algorithms to convert an image from radiance to reflectance: Empirical Line Method (ELM) and Internal Average Relative Reflectance (IARR).
- Provides the following algorithms to find signatures matches in an images: Spectral Angle Mapper (SAM) and Constrained Energy Minimization.
- Provides a specialized "Signature Window" plot to display and manipulate signatures including the ability to generate signatures from a scene (either a single pixel or a user created Area of Interest).
- Provides a specialized "Range Profile" plot to display and then manipulate signatures in order to better align them.
- Provides a number of methods to resample a signature to match the wavelengths of an image before applying a signature matching algorithm.
- Provides a capability to build libraries of many signatures which can then be exported to an ENVI Signature Library file.
- Provides some additional importers and exporters for both individual signatures and signature sets.
- Provides the Minimum Noise Fraction Algorithm (MNF) in order to preprocess an image and remove extraneous noise in order to improve later signature matching algorithms.
Supported Opticks Versions
- This extension is supported in any version of Opticks 4.3.X that is Opticks 4.3.3 or later.