Reproduce “Decentralized Direct Volume Rendering: A Browser-Native GPU Architecture for MRI Digital Twins in Resource-Constrained Settings” on OpenResearch
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About this paper
Oserebameh Augustine Beckley
An architecture leveraging WebGPU enables decentralized, client-side direct volume rendering of MRI data, creating interactive, high-fidelity anatomical Digital Twins directly within a web browser. This approach eliminates network latency and ensures patient data privacy while achieving sustained interactive frame rates exceeding 82.0 FPS, making advanced medical visualization accessible in resource-constrained settings.
Key insights
- Browser-native WebGPU capabilities, specifically compute shaders and storage buffers, enable the direct execution of complex numerical operations like mathematical morphology and raymarching on client-side GPUs, circumventing server-side dependencies.
- Anatomical structures can be robustly isolated and rendered in a scanner-agnostic manner by combining radiometric normalization with in-shader computation of spatial derivatives (gradients and Hessians), which capture structural boundaries.
- Morphologically modulated raymarching, which computes sample opacity as an intersection of normalized intensity and morphological edge strength, effectively suppresses radiometric noise and provides deterministic, interactive tissue isolation.
Summary by alphaXiv.
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