Search Results for author: Ivan Olefir

Found 2 papers, 0 papers with code

Deep learning based electrical noise removal enables high spectral optoacoustic contrast in deep tissue

no code implementations24 Feb 2021 Christoph Dehner, Ivan Olefir, Kaushik Basak Chowdhury, Dominik Jüstel, Vasilis Ntziachristos

We validated the ability of the trained model to accurately remove electrical noise on synthetic data and on optoacoustic images of a phantom and the human breast.

Denoising Image Reconstruction

Eigenspectra optoacoustic tomography achieves quantitative blood oxygenation imaging deep in tissues

no code implementations18 Nov 2015 Stratis Tzoumas, Antonio Nunes, Ivan Olefir, Stefan Stangl, Panagiotis Symvoulidis, Sarah Glasl, Christine Bayer, Gabriele Multhoff, Vasilis Ntziachristos

We discover a new principle underlying light fluence in tissues, which describes the wavelength dependence of light fluence as an affine function of a few reference base spectra, independently of the specific distribution of tissue optical properties.

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