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Image analysis of the human inner ear
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences. (Ear-Nose-Throat)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences. (Ear-Nose-Throat)
(Ear-Nose-Throat)
1998 (English)In: Acta Oto-Laryngologica, ISSN 0001-6489, E-ISSN 1651-2251, Vol. 118, no 1, 56-63 p.Article in journal (Refereed) Published
Abstract [en]

The KS 300 is a multifunctional software image analysis system using an object-oriented programming environment. The possibility of its application for the inner ear was studied by using specimens from humans and squirrel monkeys, immunostained for the brain-derived calcium-binding protein, S-100 protein. Grey images were used for measurements. The cell borders were outlined by hand, using a digitizer. The absolute grey values of the pixels changed when the brightness of the images or other conditions changed. By contrast, the relative grey values, i.e. the absolute grey values correlated to the mean grey values of the histoimage, remained constant. By utilizing these relative grey values, it was possible to compare cells both between different specimens and between different areas within the same specimen. The different grey values of spiral ganglion cells stained for S-100 protein are objective quantitative measurements and are believed to reflect differences in their function. In some regions of both human and squirrel monkey specimens, relatively intensely stained cells predominated, whereas in other regions, relatively weakly stained cells were mainly observed. Thus, our image analysis system using the relative grey values has proved suitable for quantitative analysis of immunostained specimens in order to compare them and to assess cell function.

Place, publisher, year, edition, pages
1998. Vol. 118, no 1, 56-63 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-58162PubMedID: 9504164OAI: oai:DiVA.org:uu-58162DiVA: diva2:86071
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-01Bibliographically approved

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