“…In the unsupervised method, the goal is to intrinsically group unlabeled data without predefined data groups. [20][21][22][23] In conventional two-dimensional (2-D) microscopic imaging techniques, it is difficult to detect the three-dimensional (3-D) shape of erythrocytes; thus, the overall performance is not acceptable. However, digital holographic microscopy (DHM) is capable of imaging semitransparent or transparent biological cells and provides quantitative detailed information about the cell structure and its contents at a single-RBC level.…”
“…In the unsupervised method, the goal is to intrinsically group unlabeled data without predefined data groups. [20][21][22][23] In conventional two-dimensional (2-D) microscopic imaging techniques, it is difficult to detect the three-dimensional (3-D) shape of erythrocytes; thus, the overall performance is not acceptable. However, digital holographic microscopy (DHM) is capable of imaging semitransparent or transparent biological cells and provides quantitative detailed information about the cell structure and its contents at a single-RBC level.…”
“…They used the method of localization by reshaping the input image into vector and then the optimized k-means algorithm is applied twice to cluster the image pixels into one class. Sina Khanmohammadi et al [13] proposed a new and improved k-means clustering algorithm knows as overlapping k-means (OKM). They also introduced hybrid method of the k-harmonic means and overlapping k-means algorithm (KHM-OKM).…”
Image segmentation has been considered as the first step in the image processing. An efficient segmentation result would make it easier for further analysis of image processing. However, there exits many algorithms and approaches for image segmentation. Clustering is one of the commonly used image segmentation techniques. In this paper, we have briefly describe some of the clustering techniques and discuss some of the recent works by researchers on these techniques.
“…In their research [17] proposed a hybrid model K Harmonic Means and Overlapping KMeans (KHM-OKM) for clustering medical data whereby the output of KHM is used as input to initialize the cluster centers for OKM. These researchers identified that medical datasets usually have overlapping information which required an improved overlapping k means algorithm for handling the unique nature.…”
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