Figure6
![Process parameter optimization of metal additive manufacturing: a review and outlook](https://image.oaes.cc/59f6e4f2-5c87-4227-8910-626117d80010/5210-6.jpg)
Figure 6. Surrogate models to describe the response output. (A) Surface roughness and porosity described using regression via VED parameter [136]. (B) Response surface obtained with Gaussian process modelling [168]. (C) Process maps generated using support vector machine [169]. (D) Schematic of a neural network (obtained from Wang et al.[170]).