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Photometric stereo — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Photometric_stereo
License (as archived): CC-BY-SA-4.0
Archived: 2026-10-07T14:04:17.884Z
SHA-256 of the archived text: b9f4492b616eb04b3118d4bb04dc5cd7df4766dd245aae114a9a11c9df42e814
Stable URL of this page: https://metraipolis.com/documento/dc_ced1192e2fb9

How to cite

Photometric stereo — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Photometric_stereo (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_ced1192e2fb9 (Metraipolis archive dc_ced1192e2fb9, sha256 b9f4492b616eb04b3118d4bb04dc5cd7df4766dd245aae114a9a11c9df42e814)

BibTeX

@misc{dcced1192e2fb9,
  title = {Photometric stereo — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Photometric_stereo},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_ced1192e2fb9; sha256 b9f4492b616eb04b3118d4bb04dc5cd7df4766dd245aae114a9a11c9df42e814},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Photometric_stereo. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Photometric stereo is a technique in computer vision for estimating the surface normals of objects by observing that object under different lighting conditions (photometry). It is based on the fact that the amount of light reflected by a surface is dependent on the orientation of the surface in relation to the light source and the observer. By measuring the amount of light reflected into a camera, the space of possible surface orientations is limited. Given enough light sources from different angles, the surface orientation may be constrained to a single orientation or even overconstrained. The technique was originally introduced by Woodham in 1980. The special case where the data is a single image is known as shape from shading, and was analyzed by B. K. P. Horn in 1989. Photometric stereo has since been generalized to many other situations, including extended light sources and non-Lambertian surface finishes. Current research aims to make the method work in the presence of projected shadows, highlights, and non-uniform lighting. Photometric stereo is widely used in various fields, including archaeology, cultural heritage conservation, and quality control. It is now integrated into widely used open-source software, such as Meshroom.

Tema degli esploratori: statistica e scienza dei dati (deposito sistematico; categoria «Computer vision»).
Fonte: Wikipedia in inglese, voce «Photometric stereo» — https://en.wikipedia.org/wiki/Photometric_stereo
Wikidata Q17120636 (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q17120636
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Photometric_stereo?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1375968129, consultata il 2026-10-07T14:01:08.947Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: 94e6f4ac45015be68c2c09e57244d3a43ad68740fca3cd01adf3d7cb1dd73815