Lights, Camera, Action!

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![…]

For The Wrecks They Are A-Changin

The seabed and wrecks are dynamic environments. As divers we are not always aware of just how much things change unless something dramatic occurs. In 2012 the stern of the Karlsruhe was very ship-shape with neat lengths of teak decking in place. Then the stern winch capstan collapsed to the seabed and upended everything. Anything Read more about For The Wrecks They Are A-Changin[…]

The Value of Quality

Quality In During a brief visit to London’s Victoria and Albert Museum one of the subjects was shot with the best camera to hand – an iPhone. The museum contains a wealth of art – the very finest expressions of what it means to be a creator. There were many worthy subjects but most were Read more about The Value of Quality[…]

More Than One Orthophoto

Pre-Restoration Scan Recently we acquired a very rare WW2 vintage torpedo motor from Deeper Dorset‘s very own Grahame Knott. The motor is unusual; instead of the typical 4-cylinder radial configuration this example is an experimental 2-stroke 8-cylinder radial engine. As far as we know the engine was never put into production, but there are a Read more about More Than One Orthophoto[…]

DEMS – Another View

Slope Analysis As we have discussed before Digital Elevation Models help us understand subtle changes in depth (or height) of the subject. We also think they are art in their own right. Tucked away in the 1.4 release of Agisoft Photoscan Pro is a preference that adds slope analysis. The colours applied to the model Read more about DEMS – Another View[…]

Rolling Shutters and Boring Models

The Most Boring Model on the Internet Its never a good idea to test software capabilities when the pressure is on to deliver a job. The manual may well claim everything works out of the box but its a high risk strategy. Which is how we came to find ourselves standing in a field flying Read more about Rolling Shutters and Boring Models[…]

Let There Be Light

In the Beginning… In our temperate northern waters there is a lack of light. The very thing that underwater photogrammetry needs is often in short supply and light is like a drug. You always want more. Underwater photographers get around the limits of natural light with flash guns or video lights and these generally work Read more about Let There Be Light[…]

Underwater GPS and Photogrammetry

Where am I? Trying to scan underwater sites such as submerged landscapes or very broken wrecks often results in becoming hopelessly lost. Add into the mix the vision limiting experience of low visibility and a difficult job gets a lot harder. When on a sightseeing dive disorientation can be frustrating as you fin around missing Read more about Underwater GPS and Photogrammetry[…]