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1. (US20130202176) Systems for processing images generated using fourier domain optical coherence tomography (FDOCT)
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

Claims

1. A Fourier Domain Optical Coherence Tomography (FDOCT) image processing system, the system comprising:
a display; and
a processor configured to transform a frequency domain spectral interferogram into a spatial domain image using both subject-specific metadata and hardware-specific metadata;
wherein the subject-specific metadata contains information associated with one of a subject and a class of subjects;
wherein the hardware-specific metadata contains information associated with one of a hardware configuration or class of hardware configurations; and
wherein the display is configured to display spatial domain image data.
2. The system of claim 1, wherein the subject-specific metadata includes dispersion correction parameters.
3. The system of claim 2, wherein the processor is further configured to apply the dispersion correction parameters in the transformation of the frequency domain spectral interferogram to the spatial domain image.
4. The system of claim 3, wherein the processor is further configured to:
optimize dispersion correction parameters; and
reprocess the frequency domain spectral interferogram using the improved optimized dispersion correction parameters to provide an optimized spatial domain image.
5. The system of claim 1, wherein the hardware-specific metadata includes spectral calibration data for correlating frequency domain data elements to corresponding optical frequencies.
6. The system of claim 5, wherein the hardware-specific metadata includes spectral phase calibration data for correlating the phase of frequency domain data elements to corresponding optical frequencies.
7. The system of claim 1, wherein the processor is further configured to acquire a plurality of B-scans consisting of a plurality of A-scans, to process the plurality of B-scans into a plurality of spatial domain images, and to average at least a subset of the plurality of spatial domain images to obtain an image with reduced speckle.
8. The system of claim 1, wherein the processor is further configured to acquire a plurality of frequency domain B-scans consisting of a plurality of frequency domain A-scans, and to average at least a subset of the plurality of B-scans of frequency domain A-scans prior to transforming to spatial domain images to obtain an image with reduced speckle.
9. The system of claim 1, wherein the processor is further configured to apply a spectral filter to the frequency domain spectral interferogram prior to transforming the frequency domain data to the spatial domain image.
10. The system of claim 9, wherein the processor is further configured to compare the spatial domain image derived from the application of a first spectral filter to the spatial domain image derived from the application of a second spectral filter.
11. A method of imaging in a Fourier Domain Optical Coherence Tomography (FDOCT) system, the method comprising:
acquiring frequency domain data;
transforming a frequency domain spectral interferogram into a spatial domain image using both subject-specific metadata and hardware-specific metadata,
wherein the subject-specific metadata contains information associated with one of a subject and a class of subjects and wherein the hardware-specific metadata contains information associated with one of a hardware configuration and a class of hardware configurations; and
displaying spatial domain image data.
12. The method of claim 11, wherein the subject-specific metadata includes dispersion correction parameters.
13. The method of claim 12, wherein the transforming includes applying the dispersion correction parameters to the frequency domain spectral interferogram prior to deriving the spatial domain image.
14. The method of claim 13, wherein dispersion correction parameters are derived during an image optimization procedure.
15. The method of claim 11, wherein the hardware-specific metadata includes spectral calibration data for correlating frequency domain data elements to corresponding optical frequencies.
16. The method of claim 15, wherein the hardware-specific metadata includes spectral phase calibration data for correlating the phase of frequency domain data elements to corresponding optical frequencies.
17. The method of claim 11, further comprising:
acquiring plurality of frequency domain B-scans consisting of a plurality of A-scans;
transforming the acquired plurality of frequency domain B-scans into spatial domain images; and
averaging at least a subset of the plurality of spatial domain B-scans to obtain an image with reduced speckle.
18. The method of claim 11, further comprising:
acquiring a plurality of frequency domain B-scans consisting of a plurality of frequency domain A-scans; and
averaging at least a subset of the plurality of B-scans of frequency domain data prior to transforming to spatial domain images to obtain an image with reduced speckle.
19. The method of claim 11, further comprising:
applying a spectral filter to the frequency domain spectral interferogram prior to transforming the frequency domain data to the spatial domain image.
20. The method of claim 19, further comprising comparing the spatial domain image derived from the application of a first spectral filter to the spatial domain image derived from the application of a second spectral filter.
21. The method of claim 11, wherein a region to be imaged is selected dynamically, the method further comprising:
applying a first set of scan parameters to acquire frequency domain, data over a first region of interest;
displaying a graphical element on a display, wherein the graphical element is calibrated to the first set of scan parameters;
acquiring the frequency domain data over the first region of interest;
transforming at least a portion of the frequency domain data to spatial domain data;
displaying at least a portion of spatial domain data;
modifying the region of interest by controlling the graphical element on the display, wherein controlling includes changing one of a location, a shape and a dimension of the graphical element;
deriving a second set of scan parameters defining a second region of interest based on the modified graphical element;
acquiring frequency domain data over the second region of interest;
transforming at least a portion of the frequency domain data to spatial domain data; and
displaying at least a portion of the spatial domain data.