Accelerated DOT reconstruction using multiple sub-volumes

Ronny Ziegler; Tim Nielsen; Dirk Grosenick; Oliver Steinkellner; Axel Hagen; Rainer Macdonald; Herbert Rinneberg

doi:10.1117/12.763458

12 February 2008 Accelerated DOT reconstruction using multiple sub-volumes

Ronny Ziegler, Tim Nielsen, Dirk Grosenick, Oliver Steinkellner, Axel Hagen, Rainer Macdonald, Herbert Rinneberg

Proceedings Volume 6850, Multimodal Biomedical Imaging III; 68500A (2008) https://doi.org/10.1117/12.763458
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

We present a new method to reconstruct arbitrary large volumes in (fluorescence) diffuse optical tomography by splitting the volume of reconstruction into sub-volumes. This allows to perform nonlinear reconstruction on large grids with a larger number of measurement data and more grid nodes than conventional reconstruction schemes, where images are reconstructed on a single grid. We investigate how the reconstructed spatial distributions of diffusion and absorption coefficients using the new method depend on the size of the sub-volumes, compare the convergence to the conventional nonlinear approach, and present an error estimation.

Citation Download Citation

Ronny Ziegler, Tim Nielsen, Dirk Grosenick, Oliver Steinkellner, Axel Hagen, Rainer Macdonald, and Herbert Rinneberg "Accelerated DOT reconstruction using multiple sub-volumes", Proc. SPIE 6850, Multimodal Biomedical Imaging III, 68500A (12 February 2008); https://doi.org/10.1117/12.763458

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