Ancient Web: Stanford's Graphics Lab Preserved a 1990s Research Workbench

Part of the Ancient Web Collection.

A laboratory can keep its achievements in a formal list of publications. Stanford's Computer Graphics Laboratory did something more useful for curious web visitors: it left an index of projects, complete with ambitions, software, experimental images, and the roads that led somewhere unexpected.

Visit Stanford Graphics Lab research projects.

The page distinguishes ongoing research links from a much longer list of inactive projects. Among the old topics are volume rendering, texture analysis, interactive workspaces, light fields, a multi-camera array, a spherical gantry, and digital reconstruction of Roman antiquities. The footer credits the laboratory from 1994 onward, while the project index records an update in 2015.

A fax machine for three-dimensional objects

The 3D fax machine project is a marvelous artifact of early computer-graphics ambition. Its researchers wanted to scan an object from several viewpoints, merge the resulting range images, and send a numerical representation that could be displayed or fabricated elsewhere. The page explains laser scanning, polygon meshes, voxel grids, and the problem of fitting surfaces where scans overlap.

A more modest-sounding experiment, Spreadsheets for Images, imagined putting images, videos, and graphical controls into spreadsheet cells. Formulas would apply processing and rendering operations; a small cell could compute a quick preview, while an enlarged cell would be recalculated at greater resolution. Marc Levoy's associated paper appeared at SIGGRAPH in 1994. A 1995 copyright line remains on the webpage.

These pages also preserve the afterlife of an idea. The 3D fax experiment developed toward the Digital Michelangelo Project, in which Stanford researchers worked on high-resolution digital records of sculptures. The project page lists software packages for stitching meshes, processing volumetric range data, aligning scans, and filling holes. It credits researchers by name and links technical publications from 1994 through 1998.

The site's honest status labels matter. Several projects are explicitly marked inactive, and a diagram is called out-of-date. The old pages were not rewritten to suggest every research direction became a commercial product.

A modern research announcement can disappear when its funding ends. This collection retains the intermediate ideas, engineering questions, and downloadable tools that make a breakthrough understandable.

Explore the graphics projects and their original papers.

Part of the Ancient Web Collection.