The portrait of Anthony van Dyck, a 17th century Flemish artist, is believed for centuries to be painted by his teacher, Peter Paul Rubens. Thanks to the latest image processing techniques, art historians has revealed that the portrait was painted by the brilliant young painter himself.
Scientists at 3D Coform in UK used a device called a Mini-Dome to scan the portrait from different angles and to take 25,000 images. The Mini-Dome is a hemispherical structure with 264 white power LEDs and controlled by computer. The device uses eleven cameras to take pictures of the object as it slowly rotates and a 3D model can be created on computers based on the 25,000 images.
When viewed the 3D model, the brushstrokes on the painting can be seen in greater detail. It shows how the portrait was composed and which areas have been reworked. This is a signature style of Van Dyck - he would build his painting in layers as he rethought his composition and technique.
On the other hand Rubens worked to a different method that he first would work out a definite plan and then follow it to the end.
(images credit: 3d-coform)
The 3D scanning technology is becoming a new tool in the study of fine art, and it is also helping museums and cultural heritage sites to examine artefacts for damage and to assist in restoration.
Source: mail online
Posted in 3D Scanning
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Paul Konijn wrote at 7/22/2013 9:52:02 AM:
The MiniDome device only has 1 camera, does not use a rotating platform and only needs at the most 264 images (but generally a lot less) to create a 3D model and relighting possibilities for a virtual object. Results can be viewed on-line at the KU Leuven - VISICS website. www.minidome.be