Zillow SkyTour Uses Gaussian Splats

March 23, 2026
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Updated April 4, 2026
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2 min read

Zillow SkyTour is a first-of-its-kind immersive feature that allows home shoppers to explore property exteriors through an interactive 3d experience. Moving beyond traditional static drone videos, this tool puts users in the pilot’s seat, enabling them to virtually fly around a home, adjust altitudes, and orbit the structure from any angle. The technology is currently available on eligible Zillow Showcase listings and is designed to provide a comprehensive understanding of a home’s exterior layout, topography, and relationship to its neighbors. By anchoring the navigation to the home itself, the interface remains intuitive, ensuring users stay oriented while exploring complex spatial environments directly from their mobile devices or web browsers.

The significance of SkyTour lies in its pioneering commercial application of gaussian splatting, a cutting-edge rendering technique that is rapidly transforming the fields of computer vision and 3d modeling. Unlike traditional mesh-based geometry which often struggles with photorealism or computational lag, gaussian splatting utilizes millions of colorful ellipsoids to represent space. This allows for the high-fidelity reconstruction of organic shapes like trees and complex architectural details with minimal processing power. For the real estate industry, this means providing a level of spatial immersion previously reserved for high-end gaming or visual effects, reducing the cognitive load for buyers and helping them form an emotional connection to a property before visiting in person.

For more information, Zillow’s engineering team has integrated this technology with structure from motion to convert raw drone footage into accurate point clouds before optimizing the final splat-based model. This automated pipeline handles the heavy lifting of scene reconstruction, aligning models with the physical world and pruning artifacts to ensure a smooth user experience. As the company continues to refine these AI-driven tools, they are effectively setting a new standard for digital twins in the housing market. These advancements in novel view synthesis suggest a future where digital mapping and site surveying are indistinguishable from reality, providing invaluable data for both casual shoppers and technical professionals in the earth sciences.

Read More: https://www.zillow.com/news/designing-an-immersive-3d-experience-for-home-exteriors-skytour

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The four stages of 3D Gaussian Splatting reconstruction, visualised as a single progression. A sparse point cloud provides the initial spatial skeleton (left); large overlapping Gaussian primitives are seeded from those points and begin to occupy volume (second); the optimiser densifies and refines those primitives, packing them tighter as the form converges (third); finally, alpha-compositing from the correct viewpoint produces a photorealistic render with no visible primitives remaining (right). The primitives never disappear, they simply become coherent. This is not a surface mesh, not a voxel grid, not a neural network at render time. It is millions of learned ellipsoids, each carrying position, shape, rotation, colour and opacity, composited in depth order at real-time frame rates. Image: Mike Devers / Cr8ive Media

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