SGBM3Way Implementation Details

asked 2017-01-05 23:17:38 -0500

While trying to understand the SGBM, I came across the SGBM3Way. I am aware that SGBM uses either 5 or 8 directions while calculating the directional cost and SGBM3Way uses 3 directions for the cost calculation.

Can anyone explain the difference between SGBM and SGBM3Way in respect of implementation. Why and how the parallelism was achieved in SGBM3Way and why there is no parallelism in SGBM?

Thanks in advance

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