Difference between revisions of "Stereoscopic analysis"

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* [http://hugin.sourceforge.net/ Hugin] (stiches images together into panoramas) and [http://hugin.sourceforge.net/docs/manual/Autopano-sift-C.html Autopano tools] (finds control points in overlapping image pairs)
 
* [http://hugin.sourceforge.net/ Hugin] (stiches images together into panoramas) and [http://hugin.sourceforge.net/docs/manual/Autopano-sift-C.html Autopano tools] (finds control points in overlapping image pairs)
  
 
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[[Category: FAQ]]
 
[[Category: FAQ]]
 
[[Category:Image processing]]
 
[[Category:Image processing]]
 
[[Category:Visualization]]
 
[[Category:Visualization]]
 
[[Category:NVIZ]]
 
[[Category:NVIZ]]

Revision as of 12:25, 9 September 2013

GRASS 5

Creating a DEM from overlapping images

Stereo basic.gif

There is some old GRASS 5 software in

http://grass.osgeo.org/outgoing/grass5/ → stereo

which does this job. It awaits integration into GRASS 6+.

Tutorial: http://grass.osgeo.org/gdp/stereo-grass/index.html

GRASS 6

Viewing existing data as stereo 3D

The d.anaglyph addon module provides an easy way to create 3D anaglyphs and stereographs. It uses the m.nviz.image module to render two viewpoints, then from those two images composes the 3D image into a single PNG file. In time it should be possible to port this functionality into NVIZ itself.


Anaglyph

Red/cyan anaglyph created with the d.anaglyph module
       
Anaglyph glasses.png

Stereogram

Stereogram with fiducials created with the d.anaglyph module (requires stereoscope viewer)
Stereoscope viewer

"Free-view" Stereogram

  • No special viewing equipment needed: just focus into the distance or cross your eyes.
  • Here is a nice how-to-view article
  • Screenshot: (created with the d.anaglyph module)


Spearfish freeview stereogram.png

See also