Technology

3D scanning: what is it and how can we use it?

Yasuo Baba, Director of Europe Digital Imaging and European Product Marketing, Sony Digital Imaging, examines…

 
Although three-dimensional (3D) scanning has been around since the 1960’s, the quality and precision of the images that can be captured has improved tremendously as technology and computing power have advanced.

From image capture for video games to scanning museum collections to create digital replicas, the potential applications for 3D scanning are endless and more sectors are reaping the benefits – including time and cost savings – of this disruptive technology.

The key to scanning characters, sets, and objects faster is the combination of raw processing power and a camera configuration that offers maximum resolution and fast capture rate. Bringing the two together, however, requires another crucial element – ​​and this is where the magic happens: the Software Development Kit (SDK).

A flexible SDK enables VFX teams to automate processes, identify ways to reduce the time these processes take, and trigger various sequences and scenarios to ensure cameras, lighting, and processing work as one.

At Sony Digital Imaging, we provide our customers with the most advanced camera technology, enabling them to capture renderings with a level of realism previously unattainable in 3D scanning. Here are some of our customer use cases:

Spanish company Peris Digital creates digital scans of any period of clothing, material or texture for use in television and film. His models have appeared in the TV series Bridgerton and the film Dune to name a few. Peris’ rig includes 144 Sony Alpha 7C and 7R IV cameras with Sony G-Master lenses to create 3D models for use in post-production. Peris also uses NVIDIA software at all stages of production and NVIDIA computers to handle the VFX. In addition to supplying the cameras, Sony has helped Peris integrate and sync with Sony’s Camera Remote SDK. This allows Peris to accurately reproduce the unique texture of garments to ensure truly lifelike results.
 

 
Sony has also worked with Plymouth-based digital production agency Stasis Media, which specializes in creating digital human renderings, where precision is essential to ensure subjects look real. Stasis Media uses multiple Sony Alpha 7R IV cameras to capture intricate facial features and a handful of the smaller Sony RX0 IIs to capture the body. The integration of the Sony SDK enables simultaneous control and triggering of all cameras corresponding to the movement of the turntable or the flickering of the LED lights, which is crucial for the accurate stitching of the images.

Finally, UK-based Lidar Lounge creates digital humans and scans vehicles and objects on set and on location. It offers clients such as Warner Bros, Disney, Universal, Netflix, the British Museum, Dyson and Intel a highly customized service covering all aspects of visual FX and scanning. The Lidar Lounge scanned artifacts for the British Museum, including Egyptian mummies and the Rosetta Stone.

Using Sony A7R IV cameras with code Lidar Lounge created and built in conjunction with Sony’s Camera Remote SDK allows the cameras to be triggered with lighting in a specific photometric sequence; This ensures there is little delay between shots, allowing for multiple flashes to be fired in quick succession. Lidar Lounge also intends to incorporate Sony’s pixel shift feature into its light passages to increase image resolution and to develop multiple lighting configurations that vary depending on the camera position within the rigs.

The ability to scan people, objects, and buildings quickly and with exceptionally high 3D detail opens up endless possibilities for a wide range of applications, including healthcare, reverse engineering, architecture, education, and science. As the adoption of 3D scanning technology continues to grow, it will be exciting to see the variety of its use cases and applications.

The post 3D scanning: what is it and how can we use it? appeared first TechRound.

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Fry Electronics Team

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