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Title: Image segmentation and colour analysis for wound diagnostics
Authors: Tay, Ivie Rosabel Ruo Pei
Keywords: DRNTU::Engineering::Computer science and engineering::Computing methodologies::Image processing and computer vision
Issue Date: 2019
Abstract: In this report, monitoring of a wound through its healing stages is investigated using image processing techniques. It can cause a problem in the medical field because assessment of wounds via visual inspection can be inaccurate due to subjective bias [2]. Therefore, the aim is to separate the wound from the healthy tissue surrounding it using image segmentation and then to analyse its colour as it heals. The effectiveness of several standard image segmentation techniques: Sobel Edge Detection, Canny Edge Detection, Adaptive Thresholding, K-Means, and Fuzzy C-Means, on a set of wound images is studied and their various merits and drawbacks are discussed. Through this investigation it is discovered that although K-Means is a simpler algorithm when compared to the others, it consistently provides the best segmentation for wounds of various kinds. It is also seen that isolation of the wound from image becomes progressively difficult as the wound heals and its texture and colour approaches that of the surrounding healthy skin. Histogram colour analysis on the prominent wound segments obtained using both K-Means and Fuzzy C-Means is carried out. Colour analysis of the wound segments of interest helps to monitor the wound health over a period. Extensive simulation results are shown for various types of wound images both for wound segmentation and colour analysis.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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