Light waving: Estimating light positions from photographs alone

Holger Winnemöller*, Ankit Mohan, Jack Tumblin, Bruce Gooch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


We present an algorithm to automatically estimate three-dimensional light positions from an unordered set of images. We collect images using a single stationary camera while manually moving a light source around an object. Rather than measuring light positions directly, the algorithm extracts a three dimensional manifold of positions from the images using dimensionality reduction techniques. This obviates the need for calibration and specialized equipment, making our approach inexpensive, portable and applicable to objects of almost any size. We demonstrate our results using image-based relighting applications.

Original languageEnglish (US)
Pages (from-to)433-438
Number of pages6
JournalComputer Graphics Forum
Issue number3
StatePublished - Sep 2005

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design

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