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A schematic illustration of how the WISENSE obtains photodocumentation during EGD procedure. (A) For obtaining accurate photodocumentation, WISENSE first filtered unqualified images and then extracted the most representative frame in each site during the process of EGD. (B) A representative photodocumentation generated by WISENSE. A, anterior wall; G, greater curvature; F, forward view; L, lesser curvature; P, posterior wall; R, retroflex view. EGD, esophagogastroduodenoscopy.
