FIGURE 2.

Type of annotations in the dataset. Representative images of the annotations and the distribution of annotation label numbers in the dataset; the number of labels per annotation ranged from 54 to 6788. The specific annotation definitions were as follows: Angiodysplasia; areas of erythema with suspected capillary lesions, Erosion; areas of mucosal damage such as erosions, ulcers, and notches, Stenosis; areas of constriction and rigidity, Lymphangiectasis; areas containing lymphatic vessels larger than a point, Lymph follicle; areas containing normal follicles and suspected lymphatic follicles, Submucosal tumor (SMT); areas resembling submucosal tumors, Polyp like; elevated lesions with a base or areas of suspected adenoma, Bleeding; areas of apparent hemorrhage, exclude sites that have become darker and are distant from the source of bleeding, Diverticula; areas of the suspected diverticulum, Redness; areas of redness and edema that may be related to inflammation, Foreign body; foreign objects other than food, Venous; areas with venous structures.