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S21 | Broughton Post-Ex 3: Photogrammetry (Patreon)

Published:
2022-11-24 12:52:34
Edited:
2022-11-24 13:00:54
Imported:
2026-06
Tags:

Content

In our latest post-excavation analysis instalment, Matt Clark provides a brief overview of the photogrammetry used to create the incredible 3D models we've been sharing.

You may remember a mysterious object discovered at Broughton Roman villa that we posted a while back – at the time, one patron described it as a Bronze Age spacehopper! In fact, as Dani explains, it's a post-Medieval crotal bell, likely worn by livestock.

View the 3D model on Sketchfab HERE.

We'll be sharing more post-excavation details from this year's digs in due course, so please could a look out for all the updates, and get ready for some very exciting announcements in the build up to Christmas...

TIP

To view all of the 3D models we have released so far, click on the '3D model' tag on this post.

TROUBLE-SHOOTING

Having trouble accessing the model? This may be affected by the browser or device being used. For more advice and information on compatibility, please visit the Sketchfab Help Centre here: https://help.sketchfab.com/hc/en-us/articles/203059088-Compatibility

Files

Broughton Villa | Post-Ex: Part 3 - Photogrammetry

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Comments

deadmanjones

Professional to the end. Or 5 seconds before it. Night night.

Connie L Merchant

Dani, thanks for the delightful bell ringing. I can imagine the animals walking by making the sound.

Mary Lu

So good to have all these inside peeks into the workings of archeological technology. It adds such a wonderful dimension for us observers of your archeological work. Thanks so very much!

Andy Woodhead

Great video and great to see the model on Sketchfab. How about a more in-depth look at Matt’s work including how he makes his digital reconstructions? Many thanks. Andy

Robert Wise

Nice detail and lighting (and shadow management!) in the final image! Loved the closing argument!

Jakub Jůzl

It's not that hard to create the digital models, looks like Time Team uses Agisoft Metashape which has good user interface. However a good camera is needed as well as some lights. And sometimes the resulting model looks like a mess and you have to go back, adjust parameters and/or take additional photos and redo the generation process. It's time consuming.

Matt Bear Clark

We use Metashape for both find and drone based photogrammetry, along with PolyCam and LiDar scanning using fixed and handheld scanners or dabbling with Realtycapture. Some models average between 80 and 200 photos,.whilst other projects have taken 7000 photos.

Donna Oglesby

very interesting and to hear it still has a sound is amazing.. So funny that Dani then turned the light off... LOL.

TimeTeamOfficial

Hi Christopher, apologies we should have labelled that specific image to avoid confusion - that's a comparative example of another crotal bell found elsewhere, illustrating what it would have looked like complete with the top loop for fastening still fully attached.

Christopher Samuel

Ah no worries, thanks for the explanation! I knew I had to be missing something there! :-) I really do like the idea of listing the PAS find IDs, that is an amazing resource - I lost myself for an hour or so in there yesterday exploring those bells.

Jakub Jůzl

Thanks for the reply, that's interesting! I imagine landscape models and combining with LiDAR data is a different beast altogether. I have only tried 3D scanning with small items similar to the bell in this video - using Metashape (used to be called Photoscan before I think...) and AliceVision Meshroom (which is even free).