Abstract
The full time-resolved methods of diffuse fluorescence tomography (DFT) are known to improve image resolution and accuracy significantly. However, these methods usually suffer from low practical efficacy due to the influence of the instrumental response function (IRF) and the tradeoff between the used data time-resolution and the required signal-to-noise ratio (SNR). We herein present a full time-resolved approach that combines an IRF-calibrated time-resolved Born normalization and an overlap-delaying time-gating strategy for attaining high SNR without sacrificing the time-resolved information content. Phantom experiments demonstrate that the approach outperforms the traditional DFT methods in spatial resolution and reconstruction fidelity.
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