Fig. 3From: Multi-class segmentation of neuronal structures in electron microscopy imagesElliptical descriptor. (left) image showing the kernel as grey values, with both radii(r1,r2) and the thickness (w) parameters over-imposed; (center) image of a vesicle-like structure; (right) response obtained when convolving the vesicle image with the elliptical descriptor kernelBack to article page