Ebook A Survey on Hair Modeling: Styling, Simulation, and Rendering
Modeling hair is essential to computer graphics for various applications; however, realistically representing hair in structure, motion and visual appearance is still an open challenge. Hair modeling is important for creating convincing virtual humans for many diverse CG applications.
Hair modeling is a difficult task primarily due to the complexity of hair. A human head typically consists of a large volume of hair with over 100,000 hair strands. However, each
individual hair strand is quite small in diameter. Considering this duality, researchers have examined whether hair should be treated as an overall volume or as individual interacting hair strands. currently, there is no method that has been accepted as the industry standard for modeling hair.
In the real world, the structure and visual appearance of hair varies widely for each person, making it a formidable task for any one modeling scheme to capture all diversities accurately. Moreover, due to the high complexity of hair the algorithms that provide the best visual fidelity tend to be
too computationally overwhelming to be used for interactive applications that have strict performance requirements. The diverse applications that incorporate hair modeling each possess their own challenges and requirements, such as appearance, accuracy, or performance. Additionally, there are still unknown properties about real hair, making the creation of a physically correct modeling scheme elusive at this time.
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Ebook A Survey on Hair Modeling: Styling, Simulation, and Rendering
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