Depth from Focus
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|[[Image:grid1080.jpg|thumb|200px|3D reconstruction of first object [http://vision.eng.shu.ac.uk/jan/grid1.avi (742kB video)]]]||[[Image:wheel1008.jpg|thumb|200px|3D reconstruction of second object [http://vision.eng.shu.ac.uk/jan/wheel1.avi (725kB video)]]]||[[Image:suevit20.png||thumb|200px|3D reconstruction of suevit [http://vision.eng.shu.ac.uk/jan/suevit.mpg (1.4MB video)]]]||[[Image:Hair.png|thumb|200px|3D reconstruction of hair [http://vision.eng.shu.ac.uk/jan/hair.mpg (1.4MB video)]]] | |[[Image:grid1080.jpg|thumb|200px|3D reconstruction of first object [http://vision.eng.shu.ac.uk/jan/grid1.avi (742kB video)]]]||[[Image:wheel1008.jpg|thumb|200px|3D reconstruction of second object [http://vision.eng.shu.ac.uk/jan/wheel1.avi (725kB video)]]]||[[Image:suevit20.png||thumb|200px|3D reconstruction of suevit [http://vision.eng.shu.ac.uk/jan/suevit.mpg (1.4MB video)]]]||[[Image:Hair.png|thumb|200px|3D reconstruction of hair [http://vision.eng.shu.ac.uk/jan/hair.mpg (1.4MB video)]]] | ||
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− | |[[Image:Grid245.jpg|thumb|200px|Red-cyan anaglyph image of first object [http://vision.eng.shu.ac.uk/jan/grid.avi (2.0MB video)]]]||[[Image:Sugar.jpg|thumb|200px|Extended depth of | + | |[[Image:Grid245.jpg|thumb|200px|Red-cyan anaglyph image of first object [http://vision.eng.shu.ac.uk/jan/grid.avi (2.0MB video)]]]||[[Image:Sugar.jpg|thumb|200px|Extended depth of field image for a piece of sugar (compare with 532 kByte [http://vision.eng.shu.ac.uk/jan/sugarstack.avi video of focus stack])]]|||| |
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Revision as of 16:14, 4 January 2006
Here are some typical microscope images (showing a surface, which has been shaped using a power beam).
Using a focus-stack one can compute images with extended depth of focus:
If the surface can be illuminated properly, one can even do a 3D-reconstruction of the surface:
[[Image:suevit20.png | 200px|3D reconstruction of suevit (1.4MB video)]] | |||
As the idea for the algorithm was fixed already, it was possible to implement the algorithm as a command-line tool in less than 4 days, using existing Mimas-software (exspecially the operators for boost::multi_array).
As this is a "quick hack", there's still lots of space for improvements.
Links
- Anaglyph images
- german diploma thesis about depth of focus (also available as PDF)
- Mechrob-paper Focus set based reconstruction of micro-objects