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Graph."],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:p>We optimize automultiscopic displays built by stacking a pair of modified LCD panels. To date, such dual-stacked LCDs have used heuristic parallax barriers for view-dependent imagery: the front LCD shows a fixed array of slits or pinholes, independent of the multi-view content. While prior works adapt the spacing between slits or pinholes, depending on viewer position, we show both layers can also be adapted to the multi-view content, increasing brightness and refresh rate. Unlike conventional barriers, both masks are allowed to exhibit non-binary opacities. It is shown that any 4D light field emitted by a dual-stacked LCD is the tensor product of two 2D masks. Thus, any pair of 1D masks only achieves a rank-1 approximation of a 2D light field. Temporal multiplexing of masks is shown to achieve higher-rank approximations. Non-negative matrix factorization (NMF) minimizes the weighted Euclidean distance between a target light field and that emitted by the display. Simulations and experiments characterize the resulting<jats:italic>content-adaptive parallax barriers<\/jats:italic>for low-rank light field approximation.<\/jats:p>","DOI":"10.1145\/1882261.1866164","type":"journal-article","created":{"date-parts":[[2010,12,1]],"date-time":"2010-12-01T20:18:10Z","timestamp":1291234690000},"page":"1-10","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":117,"title":["Content-adaptive parallax barriers"],"prefix":"10.1145","volume":"29","author":[{"given":"Douglas","family":"Lanman","sequence":"first","affiliation":[{"name":"MIT Media Lab - Camera Culture Group"}]},{"given":"Matthew","family":"Hirsch","sequence":"additional","affiliation":[{"name":"MIT Media Lab - Camera Culture Group"}]},{"given":"Yunhee","family":"Kim","sequence":"additional","affiliation":[{"name":"MIT Media Lab - Camera Culture Group"}]},{"given":"Ramesh","family":"Raskar","sequence":"additional","affiliation":[{"name":"MIT Media Lab - Camera Culture Group"}]}],"member":"320","published-online":{"date-parts":[[2010,12,15]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1889\/1.3069667"},{"key":"e_1_2_1_2_1","unstructured":"Blondel V. 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