St. Basil's Cathedral will be preserved in 3D for future generations

The State Historical Museum, Skoltech and AIRI announced the start of a project to digitize objects

cultural heritage of Russia using computer vision technologies. One of the first monuments for analysis was St. Basil's Cathedral.

Researchers plan to create digital twinsfor a variety of objects from small museum exhibits to complete copies of buildings and structures. To capture small objects, the team uses a small, handheld structured light scanner. A special installation that combines several different cameras for detailed shooting was developed at Skoltech.

Scanning process. Video: AIRI

To scan textured surfaces inUnder difficult lighting conditions, scientists use a laser scanner and a special camera. The scanner captures the geometry of objects, and the reconstruction of details is provided using images taken by the camera.

The greatest difficulty is represented by large-scaleobjects. They cannot be completely captured by the scanner. To shoot high-rise buildings, such as the domes of cathedrals, scientists plan to use special drones equipped with cameras. The point cloud results obtained during the survey are processed using special algorithms using AI to create an exact digital copy of the object.


Examples of reconstruction. Image: AIRI

One of the first objects of study wasSt. Basil's Cathedral. It was built in 1555–1561 and is included in the UNESCO World Heritage List. Throughout history, the temple has been repeatedly restored and restored. The researchers note that the construction of a 3D model will allow to fix the current appearance of the object, save it for future generations and open access from anywhere in the world.

In addition, the developed three-dimensional models can be used to create games, quests, virtual and augmented reality applications.

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