{"type":"ScholarlyArticle","title":"Inferring the Direction of the Sun from Intensity Values on a Generalised Cone","authors":[{"name":"Mike Brady","slug":"mike-brady","given":"Mike","family":"Brady","affiliation":""}],"abstract":"An initial attempt to synthesise some of the ideas of Marr and Horn about surface geometry and lighting is described. In some situations the direction of the sun can be deduced from intensity values on a section of a generalised cone which flanks a bounding contour.","doi":null,"url":"https://ijcai.org/proceedings/1979/24","pdf":"https://ijcai.org/proceedings/1979/0024.pdf","markdown":"https://ijcai.org/proceedings/1979/24.md","bibtex":"https://ijcai.org/proceedings/1979/bibtex/24","volume":{"slug":"1979","title":"Proceedings of the Sixth International Joint Conference on Artificial Intelligence","short_title":"IJCAI 1979","url":"https://ijcai.org/proceedings/1979/","year":1979,"location":"Tokyo, Japan","dates":"August 20-23, 1979","editors":"Bruce G. Buchanan","isbn":"","publisher":"International Joint Conferences on Artificial Intelligence","doi_prefix":""},"section":null,"track":"","number":24,"pages":{"first":null,"last":null},"keywords":[],"videos":[],"references":[],"license_note":"Copyright International Joint Conferences on Artificial Intelligence."}