Academic Article
Automation in 3D reconstruction: Results on different kinds of close-range blocks
- Title
- Automation in 3D reconstruction: Results on different kinds of close-range blocks
- Creator(s)
- Barazzetti, Luigi
- Remondino, Fabio
- Scaioni, Marco
- Date
- 2010
- Is Part Of
- International Archives of Photogrammetry, Remote Sensing, and Spatial Information Sciences
- Volume
- 38
- Pages
- 55 - 61
- Language
- eng
- Abstract
- Automation in 3D reconstruction involves mainly two tasks: (i) image orientation and (ii) 3D scene reconstruction. Nowadays, automation in (i) can be considered solved for aerial photogrammetric projects, but a general and commercial solution is still pending in case of close-range image blocks. Here, the complexity and diversity of the network geometry make the automatic identification of the image correspondences a challenging task. In this paper we present a methodology to automatically orient a set of targetless close-range images taken with a calibrated camera and the following creation of 3D models with a multi-image matching algorithm. Several real cases, comprehending free-form objects (e.g. bas-relieves, decorations, etc.), building facades and images taken with UAVs are reported and discussed. Lastly, some preliminary results on a methodology for markerless camera calibration are presented.
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