开源遥感平台简介
共介绍四个开源遥感平台，其中国外三个，分别为OPTICKS/OTB/OSSIM，国内一个，OpenRS。介绍内容涉及开源遥感平台的简介、功能、产品、开发环境、Licence、插件开发。
OPTICKS
简介
Opticks支持对普通影像数据和多光谱数据的处理，对高光谱数据、sar数据，视频数据同样支持。与其他遥感图像处理软件不同的是，该软件对视频数据可以像其他遥感数据一样，进行缩放，平移，旋转，基于地理位置的关联。
功能
∙ Zoom, pan, rotate spatially large datasets.
缩放、平移，旋转大数据量空间数据集
∙ Quickly layer GIS features, annotations, results, and other information over your data to provide context.
通过交互，可以快速进行地理数据建层，标注，统计及采集其他信息
∙ Link dataset geographically. Zoom and pan one dataset links to another.
关联空间数据，缩放、平移都是联动。
∙ Product mode and annotations.
产品说明和注记。
∙ Active annotations, including North Arrow, East Arrow, Scale Bar, and Timestamp
丰富的整饰要素：指北针，指东针，比例尺，时间标签
∙ Many image display controls, such as colormap, histogram, transparency, etc.
大量显示控制，诸如渲染，直方图，反等
∙ User defined video/image processing "plug-ins".
支持用户自定义的视频图像处理插件
∙ Support for datasets in excess of four gigabytes (64-bit support).
支持4G以上数据的读取，支持64Bit系统
∙ In memory and on disk processing.
可以在内存和硬盘上进行处理
∙ Analysts can quickly combine steps using graphical wizards.
可以通过可视化向导自定义处理步骤
∙ Batch processing.
支持批处理
∙ Online Help
在线帮助
∙ Native support for many remote sensing file formats: NITF2.0/2.1, ASPAM/PAR, CGM, DTED, ENVI, Generic RAW, ESRI Shapefile, HDF5, AVI, MPEG, JPEG, GIF, PNG, BMP, TIFF, GeoTIFF.
默认支持多种遥感数据格式：NITF2.0/2.1, ASPAM/PAR, CGM, DTED, ENVI, Generic RAW, ESRI Shapefile, HDF5, AVI, MPEG, JPEG, GIF, PNG, BMP, TIFF, GeoTIFF.
∙ Connect to Geodatabases with ESRI ArcSDE integration.
支持ESRI ArcSDE的Geodatabases
∙ Support for Microsoft Windows ( 32-bit and 64-bit ) and Solaris SPARC operating systems.
支持32位和64位的Windows系统，以及Solaris SPARC 系统
插件开发
∙ Import new file formats
∙ Export data into new file formats
∙ Implement new algorithms
∙ Add new data types
∙ Define new ways to georeference your data
∙ Add new mouse modes and keyboard shortcuts
∙ Add new toolbars and right-click menus
∙ Add new windows, both to visualize existing data in new ways or entirely new data types.
∙ Add new drag and drop behavior
∙ Add new wizard items
∙ Add scripting capability in your favorite programming language.
产品
    OPTICKS开源遥感平台
开发运行
插件开发使用C++，具备完备的开发文档
运行系统：Windows XP & Windows XP x64, Solaris
OTB
简介
OTB 是一个有名的开源高分辨率遥感影像处理库，采用了最新的C++技术和新的软件框架。它的最大亮点是将医学影像处理技术有效地融合在遥感图像处理中。
OTB建立在以下几个有名的开源库之上：
Itk、gdal、fltk
OTB 使用到的工具有：cmake、mingw
OTB, the ORFEO Toolbox is a library of image processing algorithms developed by CNES in the frame of the ORFEO Accompaniment Program. OTB is based on the medica
l image processing library ITK, and offers particular functionalities for remote sensing image processing in general and for high spatial resolution images in particular.
功能
∙ image access: optimized read/write access for most of remote sensing image formats, meta-data access, simple visualization;
∙ sensor geometry: sensor models, cartographic projections;
∙ radiometry: atmospheric corrections, vegetation indices;
∙ filtering: blurring, denoising, enhancement;
∙ fusion: image pansharpening;
∙ feature extraction: interest points, alignments, lines;
∙ image segmentation: region growing, watershed, level sets;
∙ windows开发平台classification: K-means, SVM, Markov random fields;
∙ change detection.
∙ object based image analysis.
∙ geospatial analysis.
产品
OTB-Applications ：A set of command-line and graphical processing chains built upon OTB.
Monteverdi ：An integrated applications giving graphical access to a lot of OTB functionnalities.
OTB-Wrapping ：Calling OTB from Python or Java
    OFREO  Toolbox开发包
开发文档
开发运行
OTB is a multi-platform library. It has successfully been installed on the following platforms:
∙ Linux/Unix with GCC (2.95.X, 3.3.X, 4.1.X, 4.2.X, 4.3.X, 4.4.X, 4.5.X)
∙ Windows with Microsoft Visual Studio C++ 7.1 .NET 2003
∙ Windows with Microsoft Visual Studio C++ 8.0 .NET 2005
∙ Windows with Microsoft Visual Studio C++ 9.0 .NET 2008
∙ Windows with Microsoft Visual Express 2005
∙ Windows with Microsoft Visual Express 2008
∙ Windows with Microsoft Visual Express 2010
∙ Cygwin (win)
∙ MacOS (OSX 10.5, OSX 10.6)
∙ Open Solaris
Licence
Which is the OTB licence?
OTB is distributed under a free software licence:
ill.info/licences/Licence_CeCILL_V2-en.html.
If I write an application using OTB am I forced to distribute that application?

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