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. 2018 May 30;9(6):2825–2843. doi: 10.1364/BOE.9.002825

Table 2.

Ray Casting Rendering Parameters

Edge Enhancement
Feature Enhancement
Depth-Based Shading
Phong Shading
Constant Value Constant Value Constant Value Constant Value
kg 1 0.25 kf 1 0.05 kd 1 1.2 kp 1 1.2
kg 2 0.3 kf 2 0.4 kd 2 4 kp 2 0.45
kd 3 0.5 kp 3 0.6
kp 4 1