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Advances in Order Independent Transparency for Real-Time & Virtual Production Workflows - P. Kakkar

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Pritish Kakkar

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[video] Advances in Order Independent Transparency for Real-Time & Virtual Production Workflows - P. Kakkar is an approximately 19-minute talk by Pritish Kakkar, a senior graphics engineer at Adobe, on order-independent transparency (OIT) for realtime and virtual production.

It explains why alpha blending is order-dependent and why CPU sorting fails for intersecting transparent geometry. Techniques include depth peeling, per-pixel linked lists and K-buffers, multi-layered alpha blending with transmission, weighted and layered weighted OIT, stochastic layered alpha blending, moment-based OIT with Haar wavelets, and a thin neural net that allocates per-pixel fragment budget. Use cases include foliage, smoke, particles, CAD, medical views, oceans, and hair.

It is for advanced realtime graphics engineers who already write fragment shaders and manage GPU transparency memory budgets.

Access is a free YouTube recording. The talk is a self-contained spoken survey with diagrams.

It is useful as a compact comparison of classical and newer OIT methods and when multi-layered or stochastic approaches fit engine constraints.