AI is revolutionizing cinematic lighting control with Beeble AI's Switchlight. Founder Hoon Kim explains how his tool, originally a general AI concept, became a powerful VFX asset by tackling the difficult process of relighting. Switchlight "unlights" any video footage to figure out the fundamental physical properties, like the shape (normals) and texture (metalness/roughness) of objects, and then uses this data to apply new, photo-realistic lighting instantly and securely. The desktop application is quickly becoming indispensable for both small production teams and major studios who need precise creative control over their shots.
The conversation reaches a pivotal point when host Chris, an expert in real-time rendering, mentions his work with the real-time ray tracer Vantage, leading to mutual excitement about integrating their technologies. Switchlight provides the control that other generative AI tools lack, and Hoon sees its PBR data as a perfect control signal for future generative video models. They agree the tool's true value is creating "relightable footage" that can be manipulated layer by layer, just like in professional compositing software. This technical precision promises to blend the creative freedom of AI with the consistency and detail demanded by professional filmmaking.
Google Research Total Relighting paper >
Paul Debevec's Parthenon project (2004) >
Chaos Vantage (real-time ray tracing) >
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