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. 2018 Jun 7;9(7):2974–2993. doi: 10.1364/BOE.9.002974

Fig. 1.

Fig. 1

The algorithm used for estimation of changes in the ICG concentration in intra- and extracerebral layers of the head (ΔCICG,intra, ΔCICG,extra). The acquired DTOFs contain a number of counted photons vs. time t which is typically in ns range. The DTOFs were acquired during the experiment lasting several minutes (time of experiment T). The ICG was injected at time instance T0.