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An image analysis method for prostate tissue classification: preliminary validation with resonance sensor data
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. Umeå University, Faculty of Science and Technology, Centre for Biomedical Engineering and Physics (CMTF).
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. Umeå University, Faculty of Science and Technology, Centre for Biomedical Engineering and Physics (CMTF).
Umeå University, Faculty of Medicine, Department of Medical Biosciences, Pathology.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Urology and Andrology.
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2009 (English)In: Journal of Medical Engineering & Technology, ISSN 0309-1902, E-ISSN 1464-522X, Vol. 33, no 1, 18-24 p.Article in journal (Refereed) Published
Abstract [en]

Resonance sensor systems have been shown to be able to distinguish between cancerous and normal prostate tissue, in vitro. The aim of this study was to improve the accuracy of the tissue determination, to simplify the tissue classification process with computerized morphometrical analysis, to decrease the risk of human errors, and to reduce the processing time. In this article we present our newly developed computerized classification method based on image analysis. In relation to earlier resonance sensor studies we increased the number of normal prostate tissue classes into stroma, epithelial tissue, lumen and stones. The linearity between the impression depth and tissue classes was calculated using multiple linear regression (R(2) = 0.68, n = 109, p < 0.001) and partial least squares (R(2) = 0.55, n = 109, p < 0.001). Thus it can be concluded that there existed a linear relationship between the impression depth and the tissue classes. The new image analysis method was easy to handle and decreased the classification time by 80%.

Place, publisher, year, edition, pages
Informa healthcare , 2009. Vol. 33, no 1, 18-24 p.
Keyword [en]
Image analysis, prostate tissue, classification, resonance sensor
National Category
Medical Laboratory and Measurements Technologies
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-18939DOI: 10.1080/03091900801945200PubMedID: 19116850OAI: oai:DiVA.org:umu-18939DiVA: diva2:200862
Available from: 2009-05-15 Created: 2009-02-28 Last updated: 2017-12-13Bibliographically approved

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Lindberg, Peter LAndersson, Britt MBergh, AndersLjungberg, Börje
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