Choroid Segmentation of Retinal OCT Images Based on CNN Classifier and - Fitter

Algorithm 1.

Hybrid OMP-SG approach for problem (6).

Input:.

Step 1. Use the OMP method to obtain ,

Step 2. Use the SG method with as an initial point to solve

where . Let be the output of the SG method.

Step 3. Output a numerical solution satisfying