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GeoSage is pleased to release RGB Image Stretching Tool, a time-saving utility program for versatile image stretching.

Image stretching is arguably the most common task in remote sensing image analysis. Almost all remote sensing software programs contain a suite of well-known stretching methods such as histogram stretching, Gaussian, Equalization, and Square Root. So, why another tool on the topic?

As an experienced image analyst would tell, to produce a visually-appealing RGB composite from raw imagery with true radiometric reflectance is often tedious, involving the trials of many image stretching options available. Choosing a suitable method and related parameters is highly unpredictable, and it is fairy common to take dozens of minutes or even hours to produce a desirable result.

RGB Image Stretching Tool is an efficient DOS-based utility program and contains both linear and non-linear stretching options. Users can define a set of band-specific, adaptable parameters for both options in a single run.

RGB Image Stretching Tool analyzes 8- or 16-bit multiple-band GeoTIFF inputs, and outputs 3-band, 8-bit RGB composite in GeoTIFF format with a single image planar configuration.

RGB Image Stretching Tool runs super-fast. Processing 8,500+ Landsat ETM+ scenes with a global coverage would take less than 24 hours on a typical office PC.

A numbers of useful tips and a set of default parameters are also provided for advanced image stretching.

Users of mainstream GIS software such as MapInfo and ArcGIS and general image manipulation software such as PhotoShop and ACDsee will find this tool very useful and handy too. The processed RGB composite can be directly displayed within applications, no hassles.

A fully-functional trial version is available GeoSage website http://www.geosage.com/. Also included is a free band combination utility program called RGB Image Composition Tool.


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