Computer%20animation%20Hair

1
Computer animation Hair

• A Survey on Hair Modeling Styling, Simulation,
  and Rendering, K. Ward, F. Bertails, T.-Y. Kim
  S. Marschner, M.-P. Cani, M. Lin

2
Shape handle various hair styles
Motion dynamic grouping and splitting of hair
clusters, collision of hairs, seconday motion due
to head motion
User Control over hair style, properties
Properites coarse v. fine, dry v. wet, stiff v.
loose, oily v. clean, hair strand types
3
Shape handle various hair styles
Distribute strands
Create hair styles
4
Distribute strands
5
Conform strands to head
6
Work with clusters of hair strands
7
Multi-resolution techniques
8
Use fluid flow to define hair strand paths
9
Constraints for complex hair styles
Vector field
10
From photographs
Capture local orientations
11
Comparison of shaping techniques
12
Procedurally generate style Pseudo-random Semi-aut
omatic
13
Physically based method Energy minimization Hair
dynamics
14
Allow common hair solon operations Wetting,
Blow-drying, etc.
15
Hair simulation
Mechanics curl, elasticity, cross section
16
Hair strand chain of rigid links v. spring-dampers
17
(No Transcript)
18
Comparison of simulation techniques
19
Particle physics Fluid dynamics
20
Use guide strands for animation Then interpolate
for dense hair model
21
Hair strips to represent hair clusters
22
(No Transcript)
23
Level of detail representation for animation
24
Adaptive clusters, merge and split
25
Hair rendering
26
(No Transcript)
27
(No Transcript)
28
(No Transcript)
29
(No Transcript)
30
(No Transcript)
31
(No Transcript)