{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T18:44:40Z","timestamp":1767033880586,"version":"build-2065373602"},"reference-count":73,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2022,9,18]],"date-time":"2022-09-18T00:00:00Z","timestamp":1663459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Slovenian Research Agency","award":["P1-0383","J1-9186","J1-1715","J5-1796","J1-1692","739574"],"award-info":[{"award-number":["P1-0383","J1-9186","J1-1715","J5-1796","J1-1692","739574"]}]},{"name":"European Commission, InnoRenew CoE project","award":["P1-0383","J1-9186","J1-1715","J5-1796","J1-1692","739574"],"award-info":[{"award-number":["P1-0383","J1-9186","J1-1715","J5-1796","J1-1692","739574"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The distinct properties and affordances of paper provide benefits that enabled paper to maintain an important role in the digital age. This is so much so, that some pen\u2013paper interaction has been imitated in the digital world with touchscreens and stylus pens. Because digital medium also provides several advantages not available to physical paper, there is a clear benefit to merge the two mediums. Despite the plethora of concepts, prototypes and systems to digitise handwritten information on paper, these systems require specially prepared paper, complex setups and software, which can be used solely in combination with paper, and, most importantly, do not support the concurrent precise interaction with both mediums (paper and touchscreen) using one pen only. In this paper, we present the design, fabrication and evaluation of the Hybrid Stylus. The Hybrid Stylus is assembled with the infinity pencil tip (nib) made of graphite and a specially designed shielded tip holder that is attached to an active stylus. The stylus can be used for writing on a physical paper, while it still maintains all the features needed for tablet interaction. Moreover, the stylus also allows simultaneous digitisation of handwritten information on the paper when the paper is placed on the tablet screen. In order to evaluate the concept, we also add a user-friendly manual alignment of paper position on the underlying tablet computer The evaluation demonstrates that the system achieves almost perfect digitisation of strokes (98.6% of strokes were correctly registered with only 1.2% of ghost strokes) whilst maintaining excellent user experience of writing with a pencil on the paper.<\/jats:p>","DOI":"10.3390\/s22187058","type":"journal-article","created":{"date-parts":[[2022,9,19]],"date-time":"2022-09-19T04:49:22Z","timestamp":1663562962000},"page":"7058","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["The Hybrid Stylus: A Multi-Surface Active Stylus for Interacting with and Handwriting on Paper, Tabletop Display or Both"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1570-517X","authenticated-orcid":false,"given":"Cuauhtli","family":"Campos","sequence":"first","affiliation":[{"name":"Faculty of Mathematics, Natural Sciences and Information Technology (FAMNIT), University of Primorska, 6000 Koper, Slovenia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9190-677X","authenticated-orcid":false,"given":"Jakub","family":"Sandak","sequence":"additional","affiliation":[{"name":"InnoRenew CoE, 6310 Isola, Slovenia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6988-3046","authenticated-orcid":false,"given":"Matja\u017e","family":"Kljun","sequence":"additional","affiliation":[{"name":"Faculty of Mathematics, Natural Sciences and Information Technology (FAMNIT), University of Primorska, 6000 Koper, Slovenia"},{"name":"Faculty of Information Studies, 8000 Novo Mesto, Slovenia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7784-1356","authenticated-orcid":false,"given":"Klen","family":"\u010copi\u010d Pucihar","sequence":"additional","affiliation":[{"name":"Faculty of Mathematics, Natural Sciences and Information Technology (FAMNIT), University of Primorska, 6000 Koper, Slovenia"},{"name":"Faculty of Information Studies, 8000 Novo Mesto, Slovenia"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,18]]},"reference":[{"key":"ref_1","unstructured":"Sellen, A.J., and Harper, R.H. 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