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The sensor characterized is called twin-eye laser mouse sensor and uses the Doppler effect to measure displacement as an alternative to optical flow-based mouse sensors. The experimental characterization showed similar measurement performances to optical flow sensors except in the sensitivity to height changes and when measuring nonlinear displacements, where the twin-eye sensor offered better performance. The measurement principle of this optical sensor can be applied to the development of alternative inexpensive applications that require planar displacement measurement and poor sensitivity to<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:mi>z<\/mml:mi><\/mml:mrow><\/mml:math>-axis changes such as mobile robotics.<\/jats:p>","DOI":"10.1155\/2016\/4281397","type":"journal-article","created":{"date-parts":[[2016,10,11]],"date-time":"2016-10-11T17:34:38Z","timestamp":1476207278000},"page":"1-8","source":"Crossref","is-referenced-by-count":2,"title":["Experimental Characterization of the Twin-Eye Laser Mouse Sensor"],"prefix":"10.1155","volume":"2016","author":[{"given":"Javier","family":"Moreno","sequence":"first","affiliation":[{"name":"Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II 69, 25001 Lleida, Spain"}]},{"given":"Eduard","family":"Clotet","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II 69, 25001 Lleida, Spain"}]},{"given":"Dani","family":"Mart\u00ednez","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II 69, 25001 Lleida, Spain"}]},{"given":"Marcel","family":"Tresanchez","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II 69, 25001 Lleida, Spain"}]},{"given":"Tom\u00e0s","family":"Pallej\u00e0","sequence":"additional","affiliation":[{"name":"Barton Laboratory, Cornell University, Geneva, NY 14456, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8210-3262","authenticated-orcid":true,"given":"Jordi","family":"Palac\u00edn","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Industrial Engineering, University of Lleida, Jaume II 69, 25001 Lleida, Spain"}]}],"member":"311","reference":[{"key":"3","doi-asserted-by":"publisher","DOI":"10.1016\/s0924-4247(03)00256-5"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2006.01.034"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2005.09.015"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jneumeth.2014.01.010"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1016\/j.mechatronics.2003.09.002"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2008.10.016"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2009.10.007"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2008.10.003"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/7184980"},{"key":"13","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/6105803"},{"key":"15","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2009.11.002"},{"key":"16","doi-asserted-by":"publisher","DOI":"10.3390\/s90907083"},{"key":"18","doi-asserted-by":"publisher","DOI":"10.1109\/tim.2010.2045555"},{"key":"19","doi-asserted-by":"publisher","DOI":"10.1016\/j.optcom.2010.12.037"},{"key":"20","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/8154809"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1088\/0957-0233\/13\/12\/327"},{"key":"26","doi-asserted-by":"publisher","DOI":"10.1364\/ao.25.001417"},{"key":"27","doi-asserted-by":"publisher","DOI":"10.1088\/1464-4258\/4\/6\/371"}],"container-title":["Journal of Sensors"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2016\/4281397.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2016\/4281397.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2016\/4281397.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,5,18]],"date-time":"2018-05-18T10:48:32Z","timestamp":1526640512000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.hindawi.com\/journals\/js\/2016\/4281397\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":18,"alternative-id":["4281397","4281397"],"URL":"https:\/\/doi.org\/10.1155\/2016\/4281397","relation":{},"ISSN":["1687-725X","1687-7268"],"issn-type":[{"value":"1687-725X","type":"print"},{"value":"1687-7268","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016]]}}}