slides/ogn-52-fiducial-marker-detection
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Clean up script for pose estimation slides

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Jake Howard 2022-11-16 16:36:39 +00:00
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@ -140,18 +140,16 @@
<section data-background-image="https://docs.opencv.org/4.x/singlemarkersaxes.jpg"> <section data-background-image="https://docs.opencv.org/4.x/singlemarkersaxes.jpg">
<h2 class="r-fit-text text-shadow">7. Pose Estimation</h2> <h2 class="r-fit-text text-shadow">7. Pose Estimation</h2>
<aside class="notes" data-markdown> <aside class="notes" data-markdown>
- Now we know where there's a marker - Now we know _where_ there's a marker
- Which way is it facing? - Which way is it facing?
- We know where the corners are - We know where the corners are
- We can get the angle from that - Find out translation and rotation
- Much like when we removed distortion - _complicated maths_
- `solvePnP` in OpenCV (entertaining name)
- "Perspective 'n' Point"
- If we know the size of the marker, we can calculate its distance - If we know the size of the marker, we can calculate its distance
- Some calibration per camera model is required - Some calibration per camera model is required
- Done once upfront - Done once up-front
- Out the end, we get rotation and translations from the camera
- _complicated maths_
- `solvePnP` in OpenCV (entertaining name)
- "Perspective 'n' Point"
- With simpler maths, can be turned into angles, distances etc - With simpler maths, can be turned into angles, distances etc
</aside> </aside>
</section> </section>