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. 2024 Apr 23;15(5):3251–3264. doi: 10.1364/BOE.509227

Fig. 3.

Fig. 3.

Procedure to isolate the area occupied by cardiac muscle fibers. The TPEF binary image (BWTPEF, a) is multiplied by the inverse of the binary mask BWINTER, ((BWINTER)INV, b). The result is the mask corresponding to the myocardial fiber segmentation (BWINTRA, c).