In this post, I would like to show what happens when Edge Preserving Smoothing 9 (EPS9) is applied to a depth/disparity map in the hopes of improving its quality.
I used these parameters in EPS9 for all depth maps:
radius = 9
sigma space = 9.0
sigma color = 25.5
The depth maps were obtained with Depth Map Automatic Generator 2 (DMAG2). See Depth Map Automatic Generator 2 (DMAG2) vs Depth Map Automatic Generator 5 (DMAG5)) for more information.
Depth map 1:
Depth map 2:
Depth map 3:
Conclusion:
Looks like EPS9 does a great job at removing tiny outliers in depth maps. Because it is edge preserving, it also maintains object boundaries.
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