Founding PhotoLabs and Personalized Retakes

Cecilia and Zach explain PhotoLabs' shift from editing tools to personalized generative retakes that fix missed moments; Martin describes firsthand reactions and how identity-preserving personalization enables photographic realism.

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What if you could retake your favorite memories years after they happened, fixing the lighting, catching the smile, or even opening your eyes?

In this conversation, a16z General Partner Martin Casado and Partner Yoko Li sit down with scientist and Lytro founder Ren Ng along with Phota Labs cofounders Cecilia Zhang and Zhihao “Zach” Xia to explore the past, present, and future of computational photography.

They trace the story from the invention of light-field cameras and the evolution of smartphone photography to today’s AI powered retakes that preserve identity and context in ways filters never could. Together they reflect on how AI is changing what it means to capture a moment, why authenticity matters as much as aesthetics, and how the future of photography may no longer depend on a lens at all but on models that know you.

Resources:

Find Cecilia on GitHub: https://ceciliavision.github.io/

Find Zach on GitHub: https://likesum.github.io/

Find Ren on LinkedIn: https://www.linkedin.com/in/renng

Find Yoko on X: https://x.com/stuffyokodraws

Find Martin on X: https://x.com/martin_casado

Timecodes:

00:00 The Decisive Moment in Photography

00:33 Introduction to Computational Photography

01:05 Personal Histories and Connections

02:27 Evolution of Computational Photography

04:15 The Birth of Light Field Photography