Construct 3D visualization to calculate radius of curvature from OCT Scans

Question

Sannath 2023-7-27

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https://ww2.mathworks.cn/matlabcentral/answers/2001607-construct-3d-visualization-to-calculate-radius-of-curvature-from-oct-scans

回答： Saksham 2023-8-22

Hello,

I have an image sequence of OCT cornea slices, taken by imaging an eye by moving from left to right. I want to take each image, which is a slice of the cornea, and attach them together to make a 3D rendering of the cornea. From here, I can fit this 3D rendering into a sphere so I can calculate the radius of curvature of the cornea. I was hoping to use MatLab to do this. Does anyone know how to approach this?

I've attached a few of the frames from our images below---in total, we have around 1000 frames to create the rendering with.

Thank you so much in advance!

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Cris LaPierre 2023-7-28

You'll need some spatial information - pixel and slice spacing. Do you have that info? Is the original data set a dicom or nifti or is it bmps?

Sannath 2023-7-28

The original data is in bmps---as for slice spacing, we're not exactly sure what scale the OCT was imaging at, but I have some scans that we know the diameter of that I can use to set a scaling factor.

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