{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,22]],"date-time":"2023-10-22T06:41:18Z","timestamp":1697956878061},"reference-count":10,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2007,3,21]],"date-time":"2007-03-21T00:00:00Z","timestamp":1174435200000},"content-version":"vor","delay-in-days":7749,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Systems &amp; Computers in Japan"],"published-print":{"date-parts":[[1986,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>When humans observe two\u2010dimensional projected images of a moving object, they can recognize its three\u2010dimensional structure and its motion. This paper presents a method which can recover the three\u2010dimensional structure from the orthogonally projected image of a jointed object. First, a method is presented for a rigid rod, when the direction of the angular velocity is spatially fixed. Then, the three\u2010dimensional structure and motion can be recovered by observing the positions and velocities of both ends on the image. The method is extended to the case of two moving jointed rigid rods, where the direction of the angular velocity vector of the rotational motion of one rod is spatially fixed, and that of the other rod is fixed relative to the former. The method can recover the three\u2010dimensional structure and motion by observing the positions and velocities of the ends and the joint. By a computer simulation, a satisfactory result was obtained.<\/jats:p>","DOI":"10.1002\/scj.4690170807","type":"journal-article","created":{"date-parts":[[2007,7,7]],"date-time":"2007-07-07T12:27:57Z","timestamp":1183811277000},"page":"60-69","source":"Crossref","is-referenced-by-count":0,"title":["Recovering three\u2010dimensional structure and motion of jointed objects from orthographically projected optical flow"],"prefix":"10.1002","volume":"17","author":[{"given":"Tsutomu","family":"Shibata","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kokichi","family":"Sugihara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noboru","family":"Sugie","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,3,21]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1037\/h0056880"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1037\/h0045622"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1037\/h0048140"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.3758\/BF03212378"},{"key":"e_1_2_1_6_2","doi-asserted-by":"crossref","unstructured":"G.Johansson. Visual motion perception Sci. Amer. pp.76\u201388(1975).","DOI":"10.1038\/scientificamerican0675-76"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/C-M.1981.220564"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/0734-189X(84)90034-3"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.1980.6447699"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.1980.6447705"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.3758\/BF03205105"}],"container-title":["Systems and Computers in Japan"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fscj.4690170807","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/scj.4690170807","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T05:54:28Z","timestamp":1697867668000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/scj.4690170807"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1986,1]]},"references-count":10,"journal-issue":{"issue":"8","published-print":{"date-parts":[[1986,1]]}},"alternative-id":["10.1002\/scj.4690170807"],"URL":"https:\/\/doi.org\/10.1002\/scj.4690170807","archive":["Portico"],"relation":{},"ISSN":["0882-1666","1520-684X"],"issn-type":[{"value":"0882-1666","type":"print"},{"value":"1520-684X","type":"electronic"}],"subject":[],"published":{"date-parts":[[1986,1]]}}}