polsarpro的开源代码_科学 -一些开源的遥感和影像处理软件-黄洪宇的博文

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The choices for commercial remote sensing software has increased over the years. Vector and raster data are both integral parts in GIS software.

But what you may not know is the abundance of choice for open source remote sensing software. The big plus is: they are for public use at no cost.

We’ll walk you through what each one can bring to the table in this list of 10 open source remote sensing software packages.1 SAGA GIS: System for Automated Geoscientific Analyses

Opticks might be that magic bullet that you’re looking for in open source remote sensing software.

The neat part about this software is the long list of extensions you can add. There are plugins for raster math, radar processing and hyper/multispectral. Now, that is a lot functionality for open source remote sensing software.

Make sure to check the compatibility before downloading an extension though. You might have to scale back your Opticks version in order for the extension to work properly.

3 GRASS: Geographic Resources Analysis Support System

For synthetic aperture radar, you may want to take a nice, long look atPolSARPro.

This software can handle dual and full polarization SAR data. The SAR data can come from ENVISAT-ASAR, ALOS-PALSAR, RADARSAT-2 and TerraSAR-X. There’s a wide range of tools like importing, conversion, filtering, decompositions, inSAR processing and calibration.

Another neat part of this software is the graph processing framework where users can automate workflow. This functionality is similar to ArcGIS model builder and easy to set up.

Overall, PolSARPro is a very sophisticated piece of open source remote sensing software. You need to take a look at PolSARPro if you’re working with full or dual polarization SAR data.

5 ORFEO: Optical and Radar Federated Earth Observation

OSSIM is a high performance open source remote sensing software application. It has been actively developed for almost two decades. Interesting enough, it’s being funded through US departments such as in intelligence and defense.

Some of the key features is compatibility with more than 100 raster and vector formats and over 4000 different projections and datums. It supports a long list of sensors but some may require additional plug-ins.

If you need some remote sensing direction for high spatial resolution imagery, OSSIM might be the answer you have been searching for.

7 InterImage

E-foto is concerned with mainly one thing: digital photogrammetry.

The core functionality of this open source remote sensing software is photo triangulation, stereoscopic modeling, digital elevation model extraction and terrain correction.

This software provides a fully functional photogrammetry tool set to use at no cost. E-foto has loads of tutorials and examples to get you well on your way to being a photogrammetry expert.

9 ILWIS: Integrated Land and Water Information System

gvSIG is known for its wide variety of rich features. But there’s more to it than just that. gvSIG is full of incredible capabilities: supervised classification, defining ROIs, band algebra and decision trees.

gvSIG stands for Generalitat Valenciana Geographic Information System. Generalitat Valenciana is the Spanish regional authority the system was designed for.

I bet you didn’t know that.

BONUS: QGIS

Quantum GIS (QGIS) is one of the most powerful open source GIS software packages available for free. This software package allows users to visualize, analyze, interpret and understand spatial data.

Plugins are the key to QGIS success. Raster manipulation includes neighborhood analysis, map algebra, surface interpolation, hydrologic modelling and terrain analysis like slope and aspect. There are plugins for semi-automated classification, BEAM and NEST framework, multitemporal raster analysis, viewshed analysis and much more.

What more can you ask forp>

Conclusion

Most of us think we have to spend hundreds of dollars on remote sensing software. Thankfully, this is just not true anymore. This collection of 10 free open source remote sensing software packages is invaluable to process remote sensing data without breaking the bank.

Choice is good. Yes, no, maybep>

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