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Gem Stacking

computational photography · cultural heritage · 2025–2026

Can a museum recover usable 3D geometry from cameo glass with the imaging equipment it already owns?

Cameo glass artifacts are carved, reflective, and translucent — the exact combination that defeats the standard 3D capture toolkit. Photogrammetry, LiDAR, and structured light all fail here: there's no clean multi-view capture to stitch and no predictable reflectance to exploit. The Getty Museum has these objects in its collection and no reliable way to digitize their surface geometry.

Rather than ask the museum for new hardware, I built single-view depth extraction on top of Capture One Pro and a Phase One camera — the exact setup already used for beauty photography of the collection. I wrote the reconstruction pipeline myself and validated it on 10+ real artifacts, producing depth maps that Getty imaging specialists and conservators used directly.

The idea generalizes past this collection. Any museum with a standard beauty-photography rig — most of them — could extract usable 3D depth with zero new capital equipment, opening doors to 3D printing, merchandising, and digital preservation.

The useful outcome is a method, not a device: 3D depth recovery folded into an imaging workflow institutions already run every day. I'm a CS+Arts undergrad who builds this way solo — research into a real tool, on hardware that already exists. I've also shipped a deployed 3DGS heritage-annotation app (room.loriechen.com) and an audio-reactive visual instrument (synthsplat.loriechen.com).