1. A computer-implemented method for reducing noise in an image, the method comprising: receiving a first image in a computer system, the first image depicting an interior of an item and being generated using a technique that provides imaging at selected depths in the item, the first image representing a first interior section having a first thickness; determining a modification for the first image using a second image of the interior, the second image representing a second interior section encompassing the first interior section and having a second thickness greater than the first thickness; and storing the modification in association with the first image.