Retrospective Study
Copyright ©The Author(s) 2025.
World J Gastroenterol. Jun 7, 2025; 31(21): 107601
Published online Jun 7, 2025. doi: 10.3748/wjg.v31.i21.107601
Figure 2
Figure 2 Lesion detection by applying gradient-weighted class activation mapping on representative video capsule endoscopy images, including normal mucosa, erosions/erythema, ulcer, and polyps images. A-D: White-light imaging capsule endoscopic image; E-H: Gradient-weighted class activation mapping image. A and E: Normal mucosa; B and F: Erosions/erythema; C and G: Ulcer; D and H: Polyps. Grad-CAM: Gradient-weighted class activation mapping; VCE: Video capsule endoscopy.