Regular visitors will know we use the UWIS system to track our movements and camera positions as we work on the Vobster Photogrammetry Project. But what if we turned the idea on its head? Instead of tracking the camera or diver as it moves around could we use the UWIS tracker units as a static Read more about Control Points Defined[…]
Short discussion on first dive after COVID-19 lockdown and using UWIS tracker for 3D reconstruction and improving local accuracy of model with adjustments to tracker unit location.
A single source page for all available content covering the wreck of the SS Thistlegorm
UWIS underwater GPS navigation continues apace with real-time viewing of 3D wreck models during a dive.
Underwater GPS meets Photogrammetry For a while we have been using GPS located cameras to construct highly accurate models of defensive structures known as pillboxes. Fixing a camera position above the waves is straightforward enough and you can build representative models without additional scale bars or measurements if the GPS signal is accurate. The problems Read more about Accuracy Defined?[…]
Details of the Vobster Quay underwater navigation day – showcasing how we use the latest technology to answer “where am I?”
Discussion around the use and benefits of accurate GPS values with image alignment in photogrammetry
Living in the South East of the UK you are never far away from reminders of more turbulent times. Built during 1940/41 and stretching across the the country are lines of bunkers – known as pillboxes – and other fortifications intended to slow down an invading army. Type 24 Pillbox by Deep3D on Sketchfab. Thankfully Read more about Line of Control[…]
Discussion on the benefits of orthophotos, the limitations of viewing these files online and how a solution to online viewing has been found.
The latest release of Agisoft Metashape 1.5.3 has seen some major improvements to the animation pane. Photoscan 1.4 beta first saw the animation pane appear and we did a review at the time. There was a choice of horizontal or vertical viewpoints and any detailed camera track could be loaded but needed 3rd party software Read more about Lights, Camera, Action![…]