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. 2010 Apr;30(2):235-9.
doi: 10.1007/s11596-010-0221-2. Epub 2010 Apr 21.

Image analysis on corneal opacity: a novel method to estimate postmortem interval in rabbits

Lan Zhou  1 , Yan Liu, Liang Liu, Luo Zhuo, Man Liang, Fan Yang, Liang Ren, Shaohua Zhu
Affiliations

Image analysis on corneal opacity: a novel method to estimate postmortem interval in rabbits

Lan Zhou et al. J Huazhong Univ Sci Technolog Med Sci. 2010 Apr.

Abstract

Corneal opacity is one of the most commonly used parameters for estimating postmortem interval (PMI). This paper proposes a new method to study the relationship between changes of corneal opacity and PMI by processing and analyzing cornea images. Corneal regions were extracted from images of rabbits' eyes and described by color-based and texture-based features, which could represent the changes of cornea at different PMI. A KNN classifier was used to reveal the association of image features and PMI. The result of the classification showed that the new method was reliable and effective.

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