Fig. 1. Flowchart of offset estimation and motion artifact correction

Fig. 2. Preprocessing flowchart of anterior segment C-scan image

Fig. 3. Process of three methods

Fig. 4. Schematic of homemade SDOCT system for OCT data acquisition

Fig. 5. Motion curves obtained by three methods

Fig. 6. Comparison of original anterior segment C-scan image and C-scan images corrected by three methods (red arrow: motion artifacts). (a) Edge enhanced C-scan image before correction; (b)‒(d) edge enhanced C-scan images corrected by three methods

Fig. 7. Comparison of original iris OCTA image and OCTA images corrected by three methods (red arrow: motion artifacts or drifts). (a) OCTA image before correction; (b)‒(d) OCTA images corrected by three methods

Fig. 8. Comparison of original iris enface image and iris enface images corrected by three methods (red arrow: motion artifacts). (a) Enface image before correction; (b)‒(d) enface images corrected by three methods

Fig. 9. 3D rendering of OCT (gray) and OCTA (red) data of anterior segment (red arrow: motion artifacts). (a) Before correction; (b) after correction by proposed method