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New Techniques in Computational photography. Marc Levoy. Computer Science Department Stanford University. Other examples. mouse oocyte (40x, DIC). fern spore (60 x , autofluorescence). zebrafish optic tectum (calcium imaging of neural activity). (wave optics dominates). - PowerPoint PPT Presentation
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New Techniques inComputational photography
Marc Levoy
Computer Science DepartmentStanford University
Ó 2008 Marc Levoy
Ó 2008 Marc Levoy
Ó 2008 Marc Levoy
Other examples
fern spore(60x, autofluorescence)
zebrafish optic tectum(calcium imagingof neural activity)
mouse oocyte(40x, DIC)
Ó 2007 Marc Levoy
Axial resolution(a.k.a. depth of field)
• wave term + geometrical optics term
• ordinary microscope (16x/0.4NA (dry), e = 0)
• with microlens array (e = 125μ)
• stopped down to one pixel per microlens
eNAM
nNA
nλDOFtot
2
3.34.0
1535.02
8.225.193.31254.016
14.0
1535.02
237spots125.193.3
→ number of slicesin focal stack= 12
(geometrical optics dominates)
(wave optics dominates)