Multi-view stereo (MVS) aims to reconstruct 3D geometry of the target scene by using only information from 2D images. Although much progress has been made, it still suffers from textureless regions.

The paper, published in the journal PLOS ONE on 5 August, posits that the iconic 4,500-year-old Step Pyramid of Djoser was erected with the help of a unique hydraulic lift system. In the past, experts ...