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However, the current elderly care system lacks intelligence and is just a simple patchwork of some traditional elderly products, which is not conducive to the needs of the elderly for easy understanding and easy operation. Therefore, this paper proposes a flexible mapping algorithm (FMFD), that is, a gesture can correspond to a flexible mapping of multiple semantics in the same interactive context. First, combine the input gesture with the surrounding environment to establish the current interactive context. Secondly, when the user uses the same gesture to express different semantics, the feature differences formed due to different cognitions are used as the basis to realize the mapping from one gesture to multiple semantics. Finally, four commonly used gestures are designed to demonstrate the results of flexible mapping. Experiments show that compared with the traditional gesture-based human-computer interaction, the proposed flexible mapping scheme greatly reduces the number of gestures that users need to remember, improves the fault tolerance of gestures in the human-computer interaction process, and meets the concept of elderly caregiver robots.<\/jats:p>","DOI":"10.1155\/2021\/5541269","type":"journal-article","created":{"date-parts":[[2021,5,26]],"date-time":"2021-05-26T21:35:10Z","timestamp":1622064910000},"page":"1-14","source":"Crossref","is-referenced-by-count":2,"title":["Research on Intention Flexible Mapping Algorithm for Elderly Escort Robot"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1593-2834","authenticated-orcid":true,"given":"Xiaoyu","family":"Qiu","sequence":"first","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7704-4197","authenticated-orcid":true,"given":"Zhiquan","family":"Feng","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4409-3777","authenticated-orcid":true,"given":"Tao","family":"Xu","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9677-979X","authenticated-orcid":true,"given":"Xiaohui","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0668-1612","authenticated-orcid":true,"given":"Ya","family":"Hou","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8946-3401","authenticated-orcid":true,"given":"Xin","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Information Science and Engineering, University of Jinan, Jinan, Shandong 250022, China"},{"name":"Shandong Provincial Key Laboratory of Network Environment Intelligent Computing Technology, University of Jinan, Jinan, Shandong 250022, China"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1007\/s11633-018-1115-1"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1126\/scirobotics.aat5954"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/CCDC.2017.7979079"},{"first-page":"3730","article-title":"Path Planning of Escort Robot Based on Improved Quantum Particle Swarm Optimization","author":"M. 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