Multiple Projection Optical Diffusion Tomography with Plane Wave Illumination

Details Multiple Projection Optical Diffusion Tomography with Plane Wave Illumination Multiple Projection Optical Diffusion Tomography with Plane Wave Illumination

2005-05-27

arxiv.org/abs/physics/0505196v1

Phys. Med. Biol. 50 (2005), 2351-2364

Physics

Medical Physics

Scientific paper

10.1088/0031-9155/50/10/012

We describe a new data collection scheme for optical diffusion tomography in which plane wave illumination is combined with multiple projections in the slab imaging geometry. Multiple projection measurements are performed by rotating the slab around the sample. The advantage of the proposed method is that the measured data can be much more easily fitted into the dynamic range of most commonly used detectors. At the same time, multiple projections improve image quality by mutually interchanging the depth and transverse directions, and the scanned (detection) and integrated (illumination) surfaces. Inversion methods are derived for image reconstructions with extremely large data sets. Numerical simulations are performed for fixed and rotated slabs.

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