DimSplat: A Real-Time Diminished Reality System for Revisiting Environments Using Gaussian Splats in Mobile WebXR

Diminished Reality (DR) allows for the selective removal or transformation of real-world objects from a user’s field of view. In certain cases, it becomes essential to revisit environments and observe them in their original state. While Smartphone and Web-based approaches provide intuitive and convenient AR platforms, it also faces challenges like limited resources. This work introduces a DR system using Gaussian splats for real-time object removal on WebXR-enabled devices. We achieve up to 60 FPS while maintaining high visual fidelity, validated with different image quality metrics, offering a scalable solution for revisiting and manipulating temporally altered environments.