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Resolving the ambiguity using a low frequency pattern sacrifices the depth resolution, and using multiple frequencies requires a number of observations. In this paper, we propose a phase disambiguation method that combines temporal and spatial modulation so that the high depth resolution is preserved while the number of observation is kept. A key observation is that the phase ambiguities of temporal and spatial domains appear differently with respect to the depth. Using this difference, the phase can disambiguate for a wider range of interest. We develop a prototype to show the effectiveness of our method through real-world experiments.<\/jats:p>","DOI":"10.1186\/s41074-020-00063-x","type":"journal-article","created":{"date-parts":[[2020,4,7]],"date-time":"2020-04-07T11:03:33Z","timestamp":1586257413000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Phase disambiguation using spatio-temporally modulated illumination in depth sensing"],"prefix":"10.1186","volume":"12","author":[{"given":"Takahiro","family":"Kushida","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenichiro","family":"Tanaka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takahito","family":"Aoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takuya","family":"Funatomi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Mukaigawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,4,7]]},"reference":[{"key":"63_CR1","doi-asserted-by":"publisher","unstructured":"Kushida T, Tanaka K, Takahito A, Funatomi T, Mukaigawa Y (2019) Spatio-temporal phase disambiguation in depth sensing In: Proc. 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