Evaluation of Retinal SFS Reconstruction with OCT Images

In clinical 3D shape of retina often provides more structural information assisting ophthalmologist to diagnosis fundus disease. Shape from shading is one of such approaches able to recover 3D structure of an object and has been used successfully in reconstructing retinal 3D structure from one fundus image. However, it is difficult to evaluate such reconstructed 3D shape because few approaches available to accessing the three-dimensional retinal structure. In this paper, we evaluate 3D reconstruction results by using OCT scan results based on an intensity based registration approach. The experiment result reveals that the reconstructed 3D shape from fundus image has a high coincidence with OCT scan data. And therefore the applicability of three-dimensional reconstruction from the SFS is promising as the 2D fundus images is widely available.

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