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Journal Article

Adaptive grid optical tomography


Ihrke,  Ivo
Graphics - Optics - Vision, MPI for Informatics, Max Planck Society;
Computer Graphics, MPI for Informatics, Max Planck Society;


Magnor,  Marcus
Graphics - Optics - Vision, MPI for Informatics, Max Planck Society;

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Ihrke, I., & Magnor, M. (2006). Adaptive grid optical tomography. Graphical Models, 68(5-6), 484-495. Retrieved from Image based reconstruction; Dynamic volumetric models; Natural phenomena.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-24A2-F
Image-based modeling of semi-transparent, dynamic phenomena is a challenging task. We present an optical tomography method that uses an adaptive grid for the reconstruction of a three-dimensional density function from its projections. The proposed method is applied to reconstruct thin smoke and flames volumetrically from synchronized multi-video recordings. Our adaptive reconstruction algorithm computes a time-varying volumetric model, that enables the photorealistical rendering of the recorded phenomena from arbitrary viewpoints. In contrast to previous approaches we sample the underlying unknown, three-dimensional density function adaptively which enables us to achieve a higher effective resolution of the reconstructed models.