Figure 6From: Extended morphological processing: a practical method for automatic spot detection of biological markers from microscopic imagesSpot extraction of colloidal gold particles from electron microscopy images. (a) Original micrograph of 10-nm-diameter gold particles (left). Spot-extracted image (right). The extracted spots are denoted in red regions. Bar: 200 nm. (b) Original micrograph of 1.8-nm-diameter gold particles (left). Spot-extracted image (right). Scale bar: 10 nm.Back to article page