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An auto-segmentation scheme for colored leukocyte images is presented in this paper. First an extracting leukocyte nuclear flow based on saturation in HSI color space is proposed. Then a number of windows containing single leukocyte are detected to count and locate leukocytes, based on a simple connected component labeling strategy. To separate overlapping leukocytes and extract single and complete...
This paper presents a novel segmentation scheme for leukocyte nucleus based on fingerprint smoothing. An original histogram of a leukocyte image includes many peaks and valleys because of “spike” pulse interference. In this scheme, multi-scale space filter is performed to original histogram and fingerprints are obtained by detecting the location of zero crossings of the derivatives of the signal in...
In view of the disadvantage of region growing in the point clouds segmentation, this paper proposes a novel segmentation method for TLS data by integrating graph theory and region growing. This method can be divided into four steps: (1) According to the reflectance value of each laser point, the reflectance image can be created directly from the terrestrial point clouds. (2) The reflectance image...
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