Method for correcting patient motion when obtaining retina...

Details Method for correcting patient motion when obtaining retina... Method for correcting patient motion when obtaining retina...

2011-08-16

2011-08-16

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S221000, C351S246000

Reexamination Certificate

active

07997729

ABSTRACT:
A computer-implemented method of correcting for motion of a sample during OCT imaging obtains a series of cross-sectional volume scans through the sample at different positions on a first coordinate axis, obtains at least two cross-sectional alignment scans in planes intersecting said volume scans at an angle, and stores the alignment scans and the volume scans in memory. The alignment scans are matched to the volume scans at lines of intersection thereof to determine the relative displacement of the volume scans to the sample due to sample motion. The relative displacement is used to correct for motion of the sample between successive volume scans.

REFERENCES:
patent: 5493109 (1996-02-01), Wei et al.
patent: 7480058 (2009-01-01), Zhao et al.
patent: 7593559 (2009-09-01), Toth et al.
patent: 7712898 (2010-05-01), Abramoff et al.

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