{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T08:15:28Z","timestamp":1774685728067,"version":"3.50.1"},"reference-count":17,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1983,4,1]],"date-time":"1983-04-01T00:00:00Z","timestamp":418003200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computer Vision, Graphics, and Image Processing"],"published-print":{"date-parts":[[1983,4]]},"DOI":"10.1016\/0734-189x(83)90099-3","type":"journal-article","created":{"date-parts":[[2005,2,16]],"date-time":"2005-02-16T22:36:05Z","timestamp":1108593365000},"page":"145-176","source":"Crossref","is-referenced-by-count":57,"title":["Using shadows in finding surface orientations"],"prefix":"10.1016","volume":"22","author":[{"given":"Steven A","family":"Shafer","sequence":"first","affiliation":[]},{"given":"Takeo","family":"Kanade","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0734-189X(83)90099-3_BIB1","series-title":"ARPA IU Workshop","first-page":"76","article-title":"Reconstructing smooth surfaces from partial noisy information","author":"Barrow","year":"1979"},{"key":"10.1016\/0734-189X(83)90099-3_BIB2","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/0004-3702(71)90005-1","article-title":"On seeing things","volume":"2","author":"Clowes","year":"1971","journal-title":"Artif. Intell."},{"key":"10.1016\/0734-189X(83)90099-3_BIB3","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1016\/0004-3702(77)90020-0","article-title":"Understanding image intensities","volume":"8","author":"Horn","year":"1977","journal-title":"Artif. Intell."},{"key":"10.1016\/0734-189X(83)90099-3_BIB4","first-page":"295","article-title":"Impossible objects as nonsense sentences","volume":"6","author":"Huffman","year":"1971"},{"key":"10.1016\/0734-189X(83)90099-3_BIB5","article-title":"Numerical shape from shading and occluding contours in a single view","author":"Ikeuchi","year":"1979"},{"key":"10.1016\/0734-189X(83)90099-3_BIB6","series-title":"IEEE Workshop on Picture Data Description and Management","first-page":"130","article-title":"Mapping image properties into shape constraints: Skewed symmetry, affine-transformable patterns, and the shape-from-texture paradigm","author":"Kanade","year":"1980"},{"key":"10.1016\/0734-189X(83)90099-3_BIB7","series-title":"ARPA IU Workshop","first-page":"39","article-title":"The interpretation of geometric structure from image boundaries","author":"Lowe","year":"1981"},{"key":"10.1016\/0734-189X(83)90099-3_BIB8","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/0004-3702(73)90003-9","article-title":"Interpreting pictures of polyhedral scenes","volume":"4","author":"Mackworth","year":"1973","journal-title":"Artif. Intell."},{"key":"10.1016\/0734-189X(83)90099-3_BIB9","series-title":"ARPA IU Workshop","first-page":"7","article-title":"Database support for automated photo-interpretation","author":"McKeown","year":"1981"},{"key":"10.1016\/0734-189X(83)90099-3_BIB10","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/0146-664X(79)90001-7","article-title":"Region extraction and shape analysis in aerial photographs","volume":"10","author":"Nagao","year":"1979","journal-title":"Computer Graphics and Image Processing"},{"key":"10.1016\/0734-189X(83)90099-3_BIB11","series-title":"Light lines and shadows","author":"O'Gorman","year":"1975"},{"key":"10.1016\/0734-189X(83)90099-3_BIB12","article-title":"Analysis of natural scenes","author":"Ohlander","year":"1975"},{"key":"10.1016\/0734-189X(83)90099-3_BIB13","series-title":"Using shadows in finding surface orientations","author":"Shafer","year":"1982"},{"key":"10.1016\/0734-189X(83)90099-3_BIB14","series-title":"Aerial photographs and Their Applications","author":"Smith","year":"1943"},{"key":"10.1016\/0734-189X(83)90099-3_BIB15","series-title":"The Psychology of Computer Vision","first-page":"19","article-title":"Understanding line drawings of scenes with shadows","author":"Waltz","year":"1975"},{"key":"10.1016\/0734-189X(83)90099-3_BIB16","series-title":"Shape from contour,","author":"Witkin","year":"1980"},{"key":"10.1016\/0734-189X(83)90099-3_BIB17","article-title":"Recovering intrinsic scene characteristics from images","author":"Witkin","year":"1981"}],"container-title":["Computer Vision, Graphics, and Image Processing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0734189X83900993?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0734189X83900993?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,1,28]],"date-time":"2019-01-28T11:26:48Z","timestamp":1548674808000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0734189X83900993"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1983,4]]},"references-count":17,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1983,4]]}},"alternative-id":["0734189X83900993"],"URL":"https:\/\/doi.org\/10.1016\/0734-189x(83)90099-3","relation":{},"ISSN":["0734-189X"],"issn-type":[{"value":"0734-189X","type":"print"}],"subject":[],"published":{"date-parts":[[1983,4]]}}}