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Time-resolved breast transillumination: comparison of theoretical and experimental image-resolution

Preliminary results are presented on the spatial resolution of time resolved breast transillumination. We have established that the resolution of an image could be described by the Image Quality Index or IQI, defined as the smallest diameter of a detectable object on the image. This theory is based on the statistical decision theory which suggests that the detectability of an object on an image is related to the signal to noise ratio SNR. We present the results of time of flight measurements performed in realistic conditions, i.e., through 20 mm thick samples of breast tissue. Thus a comparison of the theoretical predictions with in vitro data have been made and show that the former simulation predictions were in quite good agreement with measurements.