diff --git a/topics/02_passive/images/data_model_photogrammetry.png b/topics/02_passive/images/data_model_photogrammetry.png new file mode 100644 index 0000000000000000000000000000000000000000..caf342416a9dd01a62e53afca349802a33bf715f Binary files /dev/null and b/topics/02_passive/images/data_model_photogrammetry.png differ diff --git a/topics/02_passive/images/house_scanning.jpg b/topics/02_passive/images/house_scanning.jpg new file mode 100644 index 0000000000000000000000000000000000000000..09a48e1e530629318e9900d9ee19a46436e834c2 Binary files /dev/null and b/topics/02_passive/images/house_scanning.jpg differ diff --git a/topics/02_passive/index.md b/topics/02_passive/index.md index 7327e25672002de22609933e2df30f9e6c903e9b..a436c17808de7204fc4efdf2d4f61c6a425f3e8d 100644 --- a/topics/02_passive/index.md +++ b/topics/02_passive/index.md @@ -20,3 +20,11 @@ mathjax: true 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> + +<p><img src="img/data_model_photogrammetry.png" alt="Data Model of Photogrammetry"></p> + +<p>A typical medium resolution aerial photogrammetry scan of a barn. With 50-100 images a reasonably accurate model can be produced. Such models are often used in surveying and restoration projects from the scale of hand helf objects to cities.</p> + +<p><img src="img/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>