<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Structure from Motion</topic></authority><related type="broader"><topic>exploring and investigating techniques</topic></related><variant type="other"><topic>SfM</topic></variant><variant type="other"><topic>Structure-from-Motion</topic></variant> <note xml:lang="en"><![CDATA[ A photogrammetric range imaging technique that utilizes a series of two-dimensional images to estimate the three-dimensional structure of a scene or object. SfM can produce point cloud based 3-D models similar to LiDAR. High resolution digital surface models can be generated with ordinary consumer-grade digital cameras. ]]></note></mads>