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  Indian J Med Microbiol
 

Figure 1: Overview of TissueWand functionality. Top: A preprocessing step prepares the image for efficient annotation by oversegmenting the image and precalculating features. The data are stored in a region–adjacency graph for fast access. Bottom: During user interaction, the user can annotate with a stylus. A local area around the point where stylus pressure is applied will also be annotated through an intelligent flood-fill controlled through the amount of pressure. In the illustrated use case, the central darker area of tissue (mucosa) must be segmented from the lighter pink tissue around it

Figure 1: Overview of TissueWand functionality. Top: A preprocessing step prepares the image for efficient annotation by oversegmenting the image and precalculating features. The data are stored in a region–adjacency graph for fast access. Bottom: During user interaction, the user can annotate with a stylus. A local area around the point where stylus pressure is applied will also be annotated through an intelligent flood-fill controlled through the amount of pressure. In the illustrated use case, the central darker area of tissue (mucosa) must be segmented from the lighter pink tissue around it