From 4c80a49c32f09181d564c31d8fa648f6639374cd Mon Sep 17 00:00:00 2001
From: Danny Griffin <dgr@mit.edu>
Date: Tue, 23 Apr 2024 16:43:09 -0400
Subject: [PATCH] outline passive

---
 topics/02_passive/images/stereo_plotter.jpg | Bin 0 -> 9492 bytes
 topics/02_passive/index.md                  |  20 +++++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 topics/02_passive/images/stereo_plotter.jpg

diff --git a/topics/02_passive/images/stereo_plotter.jpg b/topics/02_passive/images/stereo_plotter.jpg
new file mode 100644
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diff --git a/topics/02_passive/index.md b/topics/02_passive/index.md
index 1a3b8c9..e180879 100644
--- a/topics/02_passive/index.md
+++ b/topics/02_passive/index.md
@@ -27,4 +27,22 @@ Photogrammetry is the collection and organization of reliable information about
 
 <p><img src="images/house_scanning.jpg" alt="House"></p>
 
-<h2 id="stereo-matching-and-photogrammetry"> <a href="#stereo-matching-and-photogrammetry" class="anchor-heading" aria-labelledby="stereo-matching-and-photogrammetry"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Stereo matching and photogrammetry </h2>
+# Stereo Matching and Photogrammetry
+
+
+<p>Early uses in stereophotogrammetry, the estimation of 3d coordinates from measurements taken from two or more images through the identification of common points. This technology was used throughout the early 20th century for generating topographic maps.</p>
+
+<p><img src="images/stereo_plotter.jpg" alt="StereoPlotter"></p>
+
+
+# Key Benefits
+
+
+
+# Key Challenges
+
+# Tools
+
+# Apps
+
+# Camera Equations
-- 
GitLab