In some entertainment and virtual reality applications, it is necessary to model and draw the real world realistically, so as to improve the fidelity of natural scenes and make users have a better sense of immersion. However, due to the morphological structure of trees The complexity and variety present many challenges for photorealistic modeling and rendering of trees. This paper reviews the progress achieved in photorealistic modeling and rendering of tree branches, leaves, and bark over the past few decades. The main achievement is mainly a rule-based procedural tree modeling method.
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