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This paper describes a novel automatic 3D surface extraction method for biomedical volume images. In this technique, the region of interesting (ROI) in 2D slice images is selected interactively, 3D ROI edge surface is determined by using Laplace operator based tracking method. According to coplanar principle of the voxel, the edge surface in ROI is then automatically extracted by region growing approach...
Video-based tracking of contours on the human body has been shown to be useful for many applications, including gait and gesture recognition, posture estimation, and activity analysis. We present a contour tracking method that incorporates a novel edge feature and fuzzy contour template. We apply our method in tracking the motions of older adults exercising in a gym environment. The output of our...
The novel method of obtaining cellspsila electrorotation motion parameters through electrorotation test was proposed. Firstly, constructing the cell edge detection algorithm to locate edges, then, the ring window template was used to split every single cell from multicellular images by means of template matching scheme. Feature point tracking and cross-correlation tracking algorithms for cell rotation...
Summary form only given. The future of biomedical image analysis is no longer in anatomical imaging but in imaging of pathways and mechanisms at the cellular level and below. In this talk I present image analysis techniques for rolling leukocytes observed in vivo. Rolling leukocytes are activated white blood cells. The motion, shape, flux, number and position of these cells are important indicators...
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