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AR UI design guidelines have so far discouraged this alternative because of poor hand tracking performance when the hands overlap, favoring touchpads\n            <jats:italic toggle=\"yes\">in the air<\/jats:italic>\n            near the hand, rather than\n            <jats:italic toggle=\"yes\">on<\/jats:italic>\n            the hand. But significant improvements to the hand tracking capabilities of recent commodity headsets suggest that on-hand pads may now be feasible. We develop an on-hand touchpad prototype and conduct two studies that involve both discrete input and continuous control tasks. The first study compares such\n            <jats:italic toggle=\"yes\">on-hand<\/jats:italic>\n            pads to baseline\n            <jats:italic toggle=\"yes\">in-air<\/jats:italic>\n            and\n            <jats:italic toggle=\"yes\">on-object<\/jats:italic>\n            pads, showing comparable performance despite some limitations in tracking accuracy. The second study quantifies the advantage of on-hand and in-air pads over on-object pads during transitions between touchpad input and other physical hand activities.\n          <\/jats:p>","DOI":"10.1145\/3743707","type":"journal-article","created":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T14:28:48Z","timestamp":1757428128000},"page":"1-25","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Investigating Hand-Bound Pads for AR Input Using Hand-Tracking Only MHCI018"],"prefix":"10.1145","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-2574-4954","authenticated-orcid":false,"given":"Camille","family":"Dupr\u00e9","sequence":"first","affiliation":[{"name":"LISN","place":["Gif-sur-Yvette, France"]},{"name":"Universit\u00e9 Paris-Saclay, CNRS, Inria","place":["Gif-sur-Yvette, France"]},{"name":"Carl Berger-Levrault","place":["Gif-sur-Yvette, France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9762-0462","authenticated-orcid":false,"given":"Emmanuel","family":"Pietriga","sequence":"additional","affiliation":[{"name":"LISN","place":["Gif-sur-Yvette, France"]},{"name":"Universit\u00e9 Paris-Saclay, CNRS, Inria","place":["Gif-sur-Yvette, France"]}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-5810-6704","authenticated-orcid":false,"given":"Olivier","family":"Gladin","sequence":"additional","affiliation":[{"name":"SED Saclay","place":["Palaiseau, France"]},{"name":"Inria","place":["Palaiseau, France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2826-2489","authenticated-orcid":false,"given":"St\u00e9phanie","family":"Rey","sequence":"additional","affiliation":[{"name":"Berger-Levrault","place":["Toulouse, France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9429-9389","authenticated-orcid":false,"given":"Houssem","family":"Saidi","sequence":"additional","affiliation":[{"name":"Carl Berger-Levrault","place":["Paris, France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3050-9284","authenticated-orcid":false,"given":"Caroline","family":"Appert","sequence":"additional","affiliation":[{"name":"LISN","place":["Orsay, France"]},{"name":"Universit\u00e9 Paris-Saclay, CNRS, Inria","place":["Orsay, France"]}]}],"member":"320","published-online":{"date-parts":[[2025,9,9]]},"reference":[{"key":"e_1_3_2_2_2","unstructured":"Apple. 2025. 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