A comparison between 3d reconstruction using nerf neural networks and mvs algorithms on cultural heritage images
- Title
- A comparison between 3d reconstruction using nerf neural networks and mvs algorithms on cultural heritage images
- Creator(s)
- Condorelli, Francesca
- Rinaudo, Fulvio
- Salvadore, Francesco
- Tagliaventi, Stefano
- Date
- 2021
- Is Part Of
- The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
- Volume
- XLIII-B2-2021
- Pages
- 565-570
- Language
- eng
- ISSN
- 1682-1750
- Abstract
- In this research, an innovative comparison between 3D reconstructions obtained by means of Artificial Intelligence, in particular NeRF Neural Networks, and by Structure-from-Motion (SfM) and Multi-View-Stereo (MVS) open-source algorithms is proposed. The 3D reconstruction comparison is performed on two test cases, one of cultural interest, one useful only for technical discussion. It is known that the approaches are traditionally used with different objectives and in different contexts but they can however also be used with similar purpose, i.e., 3D reconstruction. In particular, we were interested in evaluating how NeRF reconstructions are accurate from a metric point of view and how the models obtained from the application of NeRF differ from the model obtained from the classical photogrammetry. By analyzing the results in the considered test cases, we show how NeRF networks, although computationally demanding, can be an interesting alternative or complementary methodology, especially in cases where classical photogrammetric techniques do not allow satisfactory results to be achieved. It is therefore suggested to expand efforts in this direction by exploiting, for example, the numerous improvement proposals of the original NeRF network.
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