Fig. 8From: Reference-free determination of tissue absorption coefficient by modulation transfer function characterization in spatial frequency domain a A photograph of the subcutaneous xenografts mouse model, and the red circle indicates the location of the tumor; b the experimental sample consisting of the specimen and the phantom. The region marked with black dotted square box indicates the capture field (51.2 mm × 51.2 mm). c 3-D surface profile of the specimenBack to article page