• shape and form distributions
• size and size distributions
• number of objects (counting)
• angles and geometries
Image analysis
/ Microscopy
Oil droplets in a cosmetic cream.
Scale shows 10 µm.
Needle formed crystals in a pharma-
cutical cream. Scale shows 100 µm.
Haircuts from shaving
EminTech
| The equipment at EminTech includes: | |
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| • | Zeiss microscope with 10-1000 times magnifi- cation, polarized light, phase contrast microscopy |
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| • | Television camera Ikegami FCD-12, with adjustable light and contrast, or |
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| • | Camera Nikon Coolpix 990 controlled from a PC |
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| • | PC equipped with Scorpion Univision frame grabber |
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| • | Optimas software with routines for
accumulation of objects from several images during calculation of size distributions. These routines are necessary in order to obtain statistically significant results from image analysis. |
Oil droplet size distribution in a cream.
Horisontal axis show maximum10 µm.
Vertical axis show volume fraction.
Number of counted oil droplets = 3 015.
At larger droplet diameters the volume is
formed by 0, 1 or 2 droplets.