Intensity diffraction tomography with a novel scanning protocol

Daxin Shi; Mark A. Anastasio

doi:10.1117/12.682850

5 September 2006 Intensity diffraction tomography with a novel scanning protocol

Daxin Shi, Mark A. Anastasio

Proceedings Volume 6316, Image Reconstruction from Incomplete Data IV; 631607 (2006) https://doi.org/10.1117/12.682850
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Intensity diffraction tomography (I-DT) is an imaging method that reconstructs the complex-valued refractive index distribution of a weakly scattering object without explicit knowledge of the wavefield phase. In this work, a novel scanning protocol for I-DT is proposed that involves the use of plane-wave and spherical wave probing wavefields. A useful feature of the scanning protocol is that two in-line intensity measurements are acquired on a detector-plane whose distance from the object remains fixed. Accordingly, the translation of the detector that is required in classic in-line measurement geometries is avoided. A reconstruction algorithm that exploits tomographic symmetries is developed and demonstrated by use of computer-simulation studies.

Citation Download Citation

Daxin Shi and Mark A. Anastasio "Intensity diffraction tomography with a novel scanning protocol", Proc. SPIE 6316, Image Reconstruction from Incomplete Data IV, 631607 (5 September 2006); https://doi.org/10.1117/12.682850

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