Rotoscoping and Silhouette Techniques

Jun 30, 2024

Lecture on Rotoscoping by Boris FX Live

Introduction

  • Host: Ben Brownlee from Boris FX
  • Guest: Carlos Cantos from Image Engine
  • Topic: Rotoscoping and Silhouette software
  • Event sponsors: Dell, Nvidia, Intel
  • Giveaways: Wacom Intuos Wireless Tablet, one-year subscription to Silhouette, Boris FX Suite

Key Discussion Points

Importance of Rotoscoping

  • Integral skill in high-end VFX for film and TV
  • No replacement for a skilled Roto artist
  • Teaching the fundamentals of compositing
  • Training mindset through meticulous work like Roto

Changes in VFX Industry

  • Increased demand for Roto work
    • More shots with streaming services
    • Imperfect green screen setups on set
  • Hybrid work environments
    • Improves quality of life
    • Challenges for junior artists learning remotely

Essential Roto Skills

  • Observation: Identify keyframe edges, parallax, motion blur
  • Breakdown: Divide into smaller, manageable shapes
  • Keyframing: Use keyframes sparingly; prioritize key poses

Tools and Techniques

  • Software: Silhouette is the industry standard for Roto, versatile and user-friendly
  • Hardware: Wacom tablet (Intuos Pro small), and Tour Box controller for efficiency
  • Spline Types: Prefer B-Splines or X-Splines over Bezier for most work
  • Motion Blur Roto: Rotoscope to the middle of the motion blur edge to save time, ensure accuracy

Advanced Tips

  • Re-timed shots: Adjust motion blur settings proportionally
  • Corner Pinning: Use efficiently to maintain the integrity of splines
  • Spline Management: Use logical naming, grouping, and potentially color-coding

Practical Demonstrations

  • Demonstrated detailed observation and planning before starting Roto
  • Explained differences between spline types with practical examples
  • Showed the importance of key poses in keyframing
  • Step-by-step demo on motion blur Roto techniques:
    • Position spline at the midpoint of hard and soft edges
    • Adjust motion blur settings based on frame rate and shutter angle

Final Thoughts

  • Future of Roto: AI is not yet a viable replacement for human skill
  • Continued relevance of Roto and preparation work in VFX pipelines
  • Importance of thorough training and using the right tools for efficient work

Conclusion

  • Emphasis on learning Roto to build a solid foundation in compositing
  • Encouragement to join the VFX community and keep improving skills
  • Notable resources and platforms for training and discussion: RTC Roto Labs YouTube channel, Image Engine, LinkedIn.