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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Changes in viscoelastic properties of articular cartilage in early stage of osteoarthritis, as determined by optical coherence tomography-based strain rate tomography

Fig. 4

a shows consecutive optical coherence tomography (OCT) images during stress relaxation (corresponds to OCSA algorithm No. 1). b shows tomographic images of the speed vector generated by tissue deformation. This data is obtained through an algorithm OCSA algorithm No. 2–9. c shows tomographic distribution of the strain rate. This data is obtained through an algorithm OCSA algorithm No. 10. d shows Tomographic distribution of attenuation coefficient of strain rate (ACSR) during stress relaxation. This data is obtained through an algorithm OCSA algorithm No. 11–12

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