From 7b28f2726a8facd10f8b71d6644d889e845be9b5 Mon Sep 17 00:00:00 2001
From: Danny Griffin <dgr@mit.edu>
Date: Tue, 23 Apr 2024 16:33:41 -0400
Subject: [PATCH] test add text
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topics/02_passive/index.md | 5 +++++
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{:toc}
# Multiview
+
+# Photogrammetry
+Photogrammetry is the collection and organization of reliable information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns of electromagnetic radiant imagery and other phenomena.
+
+<p>Photogrammetry was first documented by the Prussian architect <a href="https://opus4.kobv.de/opus4-btu/files/749/db186714.pdf">Albrecht Meydenbauer</a> in 1867. Since then it has been used for everything from simple measurement or color sampling to record complex 3d <a href="https://en.wikipedia.org/wiki/Motion_field">motion fields</a>.</p>
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