envi 5 · >time-aware envi > spatio-temporal analysis provides the ability to understand and...
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ENVI 5.2
What’s New in ENVI Desktop
> Format Input Support
> GRIB-1
> GRIB-2
> Multi-Page TIFF
> Multiple images in the same .tif file
> NetCDF-4
> HDF5 and NetCDF-4 datasets that do not have a *.h5 filename extension (e.g. *.hdf5, *.he5, *.nc, *.nc4, *.l1b_iss, etc.) can now be opened in both the ENVI5 application and the API
> Format Output Support
> New VQ compression algorithm option to better maintain colors in CADRG format output
> Ability to write additional datums (e.g. JGD2000) to GeoTIFF format
ENVI 5.2 – Data Input & Output
> Sensor Input Support
> Alsat-2A
> Deimos-1
> Gaofen 1 (GF-1)
> Proba-V
> SkySat-1
> WorldView-3
> Ziyuan 1-02C (ZY-1-02C)
> Ziyuan 3A (ZY-3A)
> Other Updates:
> Landsat 8 now supported in the Vegetation Index Calculator tool
> All WorldView-2 data products now supported in Radiometric Calibration tool
ENVI 5.2 – Data Input
Deimos-1 image data courtesy of Airbus Defence & Space
> Time-Aware ENVI
> Spatio-Temporal Analysis provides the ability to understand and predict Earth surface processes or human activities over space and time
> Automatic ingest of “acquisition time” metadata for raster datasets from a wide variety of sensor data sources
> Ability to construct a stack of time-enabled rasters
> Create a series that references the file locations of images in your collection
> Option to order the raster series sequentially according to time metadata
> Normalize a stack of rasters to a common spatial grid with automatic resampling & reprojection
> View and animate a spatio-temporal series with time slider/wheel control
> Raster animation (intra-file band & inter-file series/time)
> Animation export to common video formats (.avi, .flv, .mp4, .webm, etc.)
ENVI 5.2 – Spatio-Temporal Analysis
Spatio-Temporal – Time & Band Animation (click to play)
Hyperspectral Band Animation Time-Series Wind Animation
Spatio-Temporal – Plotting Space & Time
MODIS NDVI 16-Day Composites For 2002
> Reference Map Link Using Esri Basemaps
> New “Chip View To” Options
> Geospatial PDF (user can specify Title, Author, Subject and Keywords)
> Google Earth
> Raster Color Slice Enhancements
> Faster tool launch speed and significant improvements to the overall performance when working with large images
> Display updates automatically while color slices are being modified
> Histogram plot improvements:
> Tick marks & labels
> Ability to zoom in/out
> Cursor crosshair with value report
ENVI 5.2 – Display Tools
Display Tools – Reference Map Link Using Esri Basemaps
Basemaps courtesy of Esri Powered by
Display Tools – Esri Basemap Options
Basemaps courtesy of Esri Powered by
ENVI 5.2 – Chip View To Geospatial PDF
> Full Motion Video Player
> Support for FMV and Skybox (SkySat) video files-on-disk
> Standard video playback controls (Play, Stop, Pause, Jump To Specific Time, Loop/Repeat, Time Slider, etc.)
> Add/Save/Restore bookmarks, View at full resolution, Brightness control, Reverse color planes, Frame rate control
> Full MISB compliant metadata support with additional functionality:
> Dynamic MISB metadata display, ArcGIS basemap, Current x,y location, Copy lat/lon, Rotate to north-up, Plot metadata fields, Google Earth export
> Video frame export as static images:
> Export Individual Frame (i.e. grab a snapshot) to still image file-on-disk for exploitation within ENVI
> Export of a video file to a time-enabled raster series collection for spatio-temporal analysis
ENVI 5.2 – Display Tools
FMV Player – MISB Metadata & Bookmarks
Video file courtesy of Esri
FMV Player – Brightness Controls
Video file courtesy of Skybox Imaging
FMV Player – Reference Map Link Using Esri Basemaps
Video file courtesy of Esri Powered by
FMV Player – Image Frame Export To ENVI
Video file courtesy of Esri
FMV Player – Plotting MISB Metadata
Video file courtesy of Esri
FMV Player – Image Frame Export To Google Earth
Video file courtesy of Esri
FMV Player – MISB Metadata Export To Google Earth
Video file courtesy of Esri
> Completely new 2D Scatter Plot
> Now matches all functionality available in ENVI Classic's 2D Scatter Plot
> Ability to select bands from different raster datasets, density slice display, dancing pixels, import/export ROIs, create a spectral profile, calculate mean spectra, calculate class statistics, export plot to common formats, etc.
> 2D scatter plot now has its own manipulator on the ENVI5 application toolbar
> Uses modern graphical system with improved plotting quality & flexibility
> Excellent performance when working with large images (e.g. dancing pixels)
> Improved band selection methodology with interactive axis sliders
> New "Dancing Layers" functionality where both the Scatter Plot and the Image window highlight the value that corresponds to the cursor location
ENVI 5.2 – Interactive Analysis Tools
2D Scatter Plot – Class Definition
> Completely new Feature Counting Tool
> New table display of features with ability to Sort and list with Color text
> Ability to turn Symbol, Label and Count on/off in the display
> User control of Feature plotting properties with many new symbols
> For georeferenced rasters geolocation is automatically gathered:
> File (x,y), Map (x,y), Lat/Lon, MGRS
> Time metadata and optional Description field for each Feature
> Feature Counting using a Grid option
> Ability to save/export features to:
> ENVI Feature Counting (.efc project file can be restored in future session)
> Esri Shapefile
> ArcGIS Geodatabase
ENVI 5.2 – Interactive Analysis Tools
Feature Counting Tool – Grid Mode
QuickBird image data courtesy of DigitalGlobe
> Spectral Indices
> Simple tool that provides ability to compute 64 common spectral indices from EO/IR multi-band (MSI or HSI) raster datasets
> Exact number of indices that can be computed for a given input raster is based on its wavelength metadata
> Pléiades-1 = 27 | Landsat-8 = 35 | WorldView-3 = 44 | AVIRIS = 61
> Computation of spectral indices where band ratios using two or more bands are used to accentuate the spectral differences between materials
> Spectral indices provide a way to analyze materials in a manner that is not impacted by illumination or shadows and they have been used extensively in mineral exploration and vegetation mapping
> Ability to dynamically Preview the processing result before execution
> Implementation is multi-threaded with high performance processing
> Examples: NDVI, RDVI, LAI, EVI, SAVI, SR/RVI, BAI, WorldView-specific, etc.
ENVI 5.2 – Processing Tools
Spectral Indices – Input Multispectral Dataset
WorldView-2 image data courtesy of DigitalGlobe
Spectral Indices – Soil Adjusted Vegetation Index
WorldView-2 image data courtesy of DigitalGlobe
Spectral Indices – Modified Chlorophyll Absorption Ratio
WorldView-2 image data courtesy of DigitalGlobe
Spectral Indices – Global Environmental Monitoring
WorldView-2 image data courtesy of DigitalGlobe
Spectral Indices – WorldView New Iron Index
WorldView-2 image data courtesy of DigitalGlobe
Spectral Indices – WorldView Water Index
WorldView-2 image data courtesy of DigitalGlobe
> NNDiffuse Pan-Sharpening
> Algorithm developed at Rochester Institute of Technology (RIT) Digital Imaging and Remote Sensing (DIRS) Laboratory
> Support for popular satellite sensor platforms (e.g. Landsat 8, SPOT, WorldView-2/3, Pléiades-1A/1B, QuickBird, GeoEye-1, EO-1 ALI, IKONOS, DubaiSat-1/2, NigeriaSat-2, etc.)
> Input image geolocation metadata support:
> Standard coordinate systems (geographic & projected)
> RPCs (rational polynomial coefficients)
> Raw pixel-based imagery with no georeferencing
> Implementation is multi-threaded with high performance processing
> Excellent image quality with preservation of color and spectral fidelity
> API for batch processing and ENVI Services Engine for server deployments
ENVI 5.2 – Processing Tools
ENVI 5.2 – Pan-Sharpening Processing Benchmarks
Intel(R) Core(TM) i7-2620M CPU @ 2.7GHz (4 CPUs) with 4096MB RAM Memory
ENVI 5.2 – Pan-Sharpening Comparison
Input MSI NNDiffuse Fuze Go
PC Spectral Gram-Schmidt SPEAR (GS) Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Pan-Sharpening Comparison – Input MSI
Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Pan-Sharpening Comparison – NNDiffuse
Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Pan-Sharpening Comparison – Fuze Go
Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Pan-Sharpening Comparison – Gram-Schmidt
Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Pan-Sharpening Comparison – PC Spectral
Pléiades-1B image data courtesy of Airbus Defence & Space
ENVI 5.2 – Application User Experience
> Preferences System Overhaul (JSON storage, API exposure, Search mechanism)
> All Raster Data Export Now In "File > Save As > ...“ Menu
> Toolbar Cleanup & Consolidation (vector & annotation tool dropdowns)
> Layer Manager & Toolbox Resizable Panels
> Layer Manager - Highlight Currently Selected Active View
> Zoom To - Map Scale Flexibility (“24000” interpreted as 1:24,000)
> Toolbox Favorites Improvements (user control & customization of Favorites)
> Navigation Placemarks (quick-n-easy geolocation storage & recall)
> Snail-Trail Save & Restore (.tif file save/restore for areas already viewed)
> Vector Attribute Viewer "Go To" Selected Record
> File Selection Dialog - Quick Stretch Control In The Spatial Subset Panel
> Undo/Redo System Simplification (navigation plus vector & annotation edition)
Subset Stretch - Navigation Placemarks - Raster Statistics
> Windows Start menu - ENVI's 32-bit launch shortcuts to be used with ArcGIS for Desktop now in "ENVI for ArcGIS®" folder
> Esri Layer (.lyr) - Layer Manager & Data Manager right-click "Refresh" options to reload the saved modifications in a concurrent session of ArcMap
> Create new File Geodatabase from ENVI and write immediately into this GDB
> ArcGIS v10.2 Enterprise SDE Geodatabases now supported (read & write)
> Direct support for Enterprise (ArcSDE) Geodatabases via .sde connection files
> Improved user experience in the Remote Connection Manager
> ENVI now lists the same Enterprise (ArcSDE) Geodatabase connections as ArcCatalog's "Database Connections“ and displays the same UI dialogs from ArcGIS for establishing Enterprise (ArcSDE) Geodatabase connections
> Preferences - Mouse Wheel Zoom Direction control to match ArcMap behavior
> Send To ArcMap - Now sends original raster datasets with preservation of classification metadata and band combinations
ENVI 5.2 – Esri Interoperability
ENVI 5.2 – Miscellaneous Enhancements
> Classification Aggregation Tool
> Post-classification process that aggregates smaller adjacent class regions
> Regions-of-Interest (ROIs)
> Restoring an ENVI Classic .roi file in ENVI5 now maintains original geometry and does not convert polygons to pixels
> n-D Visualizer "Export All" now exports ROIs back to the ROI Tool
> Spectral Profiles / Plots
> Incremental tick marks and foreground/background color control
> Esri Projection Engine upgraded to version 10.2.2
> New "User Defined" option in the "Select Coordinate System" dialog
> Users can now define their own coordinate system and a corresponding geographic transform and they will be used in the Reproject Raster tool
> ENVIGridDefinition creates a spatial grid definition used to georeference rasters and vectors to a common coordinate system
> ENVIMetaspectralRaster creates raster of bands from different images
> ENVINNDiffusePanSharpeningRaster for NNDiffuse pan-sharpening algorithm
> ENVIRasterSeries builds a raster series for spatio-temporal analysis
> ENVIRasterStatistics can be used to access statistics for a raster dataset
> ENVIRegridRaster* tasks normalize a stack of rasters to a common spatial grid
> ENVIResampleRaster can be used to resample or spatially resize a raster
> ENVISpatialGridRaster projects a raster into a standard spatial reference
> ENVISpectralIndexRaster routine for common spectral indices
> ENVI*StretchRaster routines create images with different stretches applied
> ENVIView::ChipToVideo method saves an animation from spatio-temporal analysis to any number of video file formats
ENVI 5.2 – Programmatic API – New Objects & Methods
> Helping you bridge the gap from Desktop application to Enterprise solutions
> Modern object-oriented programming interface for processing
> ENVITask encapsulates an atomic unit of processing work and provides a powerful level of introspection for users to learn about the task and all its parameters
> ENVITask supports both procedural and object oriented programming models
> Ability to automatically discover all of the tasks available for processing
> Parameter validation – Immediately checks property setting to ensure it is valid
> Parameter introspection – Programmatically access parameter name, brief description, required vs. optional, input vs. output, choice lists, default values, data type, min/max, current value
> Temporary file management – ENVITask's automatically generates & manages temporary output files (upon exit all temporary files are automatically deleted)
> Subsetting – Both spatial & spectral raster subsetting available via a modern object-oriented approach (i.e. no more DIMS & POS keywords)
ENVI 5.2 – Programmatic API – ENVITask System
ENVI 5.2 – Programmatic API – ENVITasks
AutoChangeThresholdClassification BuildBandStack BuildRasterSeries BuildTimeSeries ChangeThresholdClassification ClassificationAggregation ClassificationSmoothing ClassificationToShapefile ColorSliceClassification DarkSubtractionCorrection DimensionsResampleRaster EqualizationStretchRaster FXSegmentation ForwardICATransform ForwardMNFTransform ForwardPCATransform GaussianStretchRaster GramSchmidtPanSharpening ISODATAClassification
ImageBandDifference ImageIntersection ImageThresholdToROI LinearPercentStretchRaster LinearRangeStretchRaster LogStretchRaster MahalanobisDistanceClassification MappingResampleRaster MaximumLikelihoodClassification MinimumDistanceClassification NNDiffusePanSharpening OptimizedLinearStretchRaster PCPanSharpening PercentThresholdClassification PixelScaleResampleRaster QUAC QuerySpectralIndices ROIToClassification RPCOrthorectification
RXAnomalyDetection RadiometricCalibration RadiometricNormalization RasterStatistics RasterViewshed RegridRaster RegridRasterSeriesByIndex RegridRasterSeriesByIntersection RegridRasterSeriesByUnion ReprojectGLT RootStretchRaster SpectralAngleMapperClassification SpectralIndex SpectralIndices ThematicChange TrainingClassificationStatistics VectorAttributeToROIs VectorRecordsToROI VegetationSuppression VideoToRasterSeries
> The following ENVI extensions were recently added/updated:
> ENVI Report Generator - The ENVI Report Generator extension allows you to create presentation-quality reports and report templates directly from ENVI5.
> Airbus Catalog Query - Allows users to search for SPOT & Pléiades imagery within then examine thumbnails & metadata to identify datasets to purchase from Airbus.
> Pyramid Creation Utility - This batch processing utility builds the .enp pyramid file used for raster dataset display in the ENVI5 software application.
> Generate Anaglyph - Create 3D anaglyphs using DEM and image data.
> ENVI5 en FRANCAIS - Catalogue pour une version Française de ENVI5.
> Program Generator - The ENVI Program Generator is a free ENVI plugin that allows users to create batch processes for ENVI5.
> Katalog - Organize your ENVI data library. Katalog is a free ENVI add-on that helps organize satellite images and other geospatial data.
> Running IDL code from ENVI - This utility will allow you to run IDL code from an ENVI-only (runtime) session.
ENVI 5.2 – Extensions Library
Extensions Library – ENVI Report Generator
Extensions Library – Airbus Catalog Query Tool
Image data courtesy of Airbus Defence & Space
> Fuze Go™ = commercial version of the patented UNB Pansharp algorithm for pan-sharpening EO/IR imagery (i.e. MSI + PAN image pairs)
> Fuze Go™ plugin for ENVI® is a Toolbox extension for a GUI dialog that facilitates execution of the Fuze Go™ software (sold separately) from ENVI5
> Fuze Go™ software must be purchased from Scene Sharp Technologies
> Plugin allows user to select input images, set processing parameters, specify an output file and optionally load the output image result back into ENVI5 application
> Plugin is supported in ENVI5 (no Classic) and only on Windows operating systems
> Benefits of Fuze Go™:
> Maintains signature accuracy and reflectivity values
> No data loss in the original multispectral image signature, which means the value of the image processing is additive to the analytics
> Process up to 30 multispectral bands advancing analytical capabilities from newer advanced multiband image data such as WorldView-3 with 16 bands
Extensions Library – Fuze Go™ plugin for ENVI®
NOTE: The Fuze Go™ plugin for ENVI® is not sold or supported by Exelis Inc.
> Integration with ENVI 5.1
> New User Interfaces
> ENVI5 application look-and-feel
> Internationalization (i18n)
> Workflows
> Streamlining common tasks
> Preliminary support for Sentinel-1, ALOS Palsar 2, Kompsat-5
> Stereo SAR DEM generation (“Radargrammetry”)
> Included in the InSAR module
> GPU Based (PS Kernel and Geocoding)
> Improving the speed to produce the final product
ENVI SARscape 5.1 – New Features
NNDiffuse Additional Screenshots
ENVI 5.2 – Appendix
Landsat 8 – Original Multispectral (30m)
Image data download from USGS EarthExplorer
Landsat 8 – NNDiffuse Pan-Sharpened (15m)
Image data download from USGS EarthExplorer
SPOT-6 – Original Multispectral (6m) [RGB]
Image data courtesy of Airbus Defence & Space
SPOT-6 – NNDiffuse Pan-Sharpened (1.5m) [RGB]
Image data courtesy of Airbus Defence & Space
SPOT-6 – Original Multispectral (6m) [CIR]
Image data courtesy of Airbus Defence & Space
SPOT-6 – NNDiffuse Pan-Sharpened (1.5m) [CIR]
Image data courtesy of Airbus Defence & Space
IKONOS – Original Multispectral (4m)
Image data courtesy of DigitalGlobe
IKONOS – NNDiffuse Pan-Sharpened (1m)
Image data courtesy of DigitalGlobe
Pléiades-1B – Original Multispectral (2m)
Image data courtesy of Airbus Defence & Space
Pléiades-1B – NNDiffuse Pan-Sharpened (0.5m)
Image data courtesy of Airbus Defence & Space
WorldView-2 – Original Multispectral (2m) [RGB]
Image data courtesy of DigitalGlobe
WorldView-2 – NNDiffuse Pan-Sharpened (0.5m) [RGB]
Image data courtesy of DigitalGlobe
WorldView-2 – Original Multispectral (2m) [CIR]
Image data courtesy of DigitalGlobe
WorldView-2 – NNDiffuse Pan-Sharpened (0.5m) [CIR]
Image data courtesy of DigitalGlobe