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Fig. 6 | BioMedical Engineering OnLine

Fig. 6

From: Using optical coherence tomography and intravascular ultrasound imaging to quantify coronary plaque cap thickness and vulnerability: a pilot study

Fig. 6

IVUS and OCT segmentation and merging process. a: Selected IVUS image slices; b: IVUS contours after segmentation; c: Selected matching OCT image slices, guidewire artifacts (*), lipid region (marked by small white arrows), lipid edge (white curve), and lumen (blue curve); d: OCT contours after segmentation; e: IVUS and OCT combined, after smooth. Blue: lumen; Red: lipid; Green: outer wall. Catheter was marked by large white arrows in the figure

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