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Public touchscreens are filthy and, regardless of how often they are cleaned, they pose a considerable risk in the transmission of bacteria and viruses. While we rely on their use, we should find a feasible alternative to touch devices.…

Human-Computer Interaction · Computer Science 2021-08-27 Kieran Waugh , Judy Robertson

Interacting with Large Language Models (LLMs) for text editing on mobile devices currently requires users to break out of their writing environment and switch to a conversational AI interface. In this paper, we propose to control the LLM…

Human-Computer Interaction · Computer Science 2025-02-12 Tim Zindulka , Jannek Sekowski , Florian Lehmann , Daniel Buschek

Mobile device users avoiding observational attacks and coping with situational impairments may employ techniques for eyes-free mobile unlock authentication, where a user enters his/her passcode without looking at the device. This study…

Human-Computer Interaction · Computer Science 2018-06-01 Flynn Wolf , Adam J. Aviv , Ravi Kuber

In augmented and virtual reality (AR/VR) experiences, a user's arms and hands can provide a convenient and tactile surface for touch input. Prior work has shown on-body input to have significant speed, accuracy, and ergonomic benefits over…

Human-Computer Interaction · Computer Science 2025-09-03 Vimal Mollyn , Chris Harrison

Social touch provides a rich non-verbal communication channel between humans and robots. Prior work has identified a set of touch gestures for human-robot interaction and described them with natural language labels (e.g., stroking,…

Human-Computer Interaction · Computer Science 2023-04-05 Ramzi Abou Chahine , Steven Vasquez , Pooyan Fazli , Hasti Seifi

Haptic sciences and technologies benefit greatly from comprehensive datasets that capture tactile stimuli under controlled, systematic conditions. However, existing haptic datasets collect data through uncontrolled exploration, which…

Human-Computer Interaction · Computer Science 2025-11-07 Michikuni Eguchi , Tomohiro Hayase , Yuichi Hiroi , Takefumi Hiraki

People communicate using both speech and non-verbal signals such as gestures, face expression or body pose. Non-verbal signals impact the meaning of the spoken utterance in an abundance of ways. An absence of non-verbal signals impoverishes…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Manuel Rebol , Christian Gütl , Krzysztof Pietroszek

Touch sensing, as a major human/machine interface, is widely used in various commercial products such as smart watches, mobile phones, tablets and TVs. State-of-the-art touch detections are mainly based on mutual capacitive sensing, which…

Emerging Technologies · Computer Science 2017-01-04 Li Du

In this paper, we present a novel approach for Human Computer Interaction (HCI) where, we control cursor movement using a real-time camera. Current methods involve changing mouse parts such as adding more buttons or changing the position of…

Artificial Intelligence · Computer Science 2012-04-06 Vikram Kumar , Kamran Niyazi , Swapnil Mahe , Swapnil Vyawahare

Text-entry aims to provide an effective and efficient pathway for humans to deliver their messages to computers. With the advent of mobile computing, the recent focus of text-entry research has moved from physical keyboards to soft…

Human-Computer Interaction · Computer Science 2019-08-01 Ue-Hwan Kim , Sahng-Min Yoo , Jong-Hwan Kim

Virtual Reality (VR) emphasizes immersive experiences, while text entry often requires hands or visual attention, which may disrupt the interaction flows in VR. We present AnkleType, a hand- and eye-free text-entry technique that leverages…

Human-Computer Interaction · Computer Science 2026-03-24 Xiyun Luo , Weirong Luo , Kening Zhu , Taizhou Chen

In sensitive scenarios, such as meetings, negotiations, and team sports, messages must be conveyed without detection by non-collaborators. Previous methods, such as encrypting messages, eye contact, and micro-gestures, had problems with…

Human-Computer Interaction · Computer Science 2024-11-22 Hongxin Li , Jingsheng Tang , Xuechao Xu , Wei Dai , Yaru Liu , Junhao Xiao , Huimin Lu , Zongtan Zhou

This paper describes a global framework that enables contactless human machine interaction using computer vision and machine learning techniques. The main originality of our framework is that only a very simple image acquisition device, as…

Human-Computer Interaction · Computer Science 2019-07-12 Frederic Magoules , Qinmeng Zou

Secure communication is essential in covert and safety-critical settings where verbal interactions may expose user intent or operational context. Wearable gesture-based communication enables low-effort, nonverbal interaction, but existing…

Cryptography and Security · Computer Science 2026-02-10 Tasnia Ashrafi Heya , Sayed Erfan Arefin

Gaze-based virtual keyboards provide an effective interface for text entry by eye movements. The efficiency and usability of these keyboards have traditionally been evaluated with conventional text entry performance measures such as words…

Human-Computer Interaction · Computer Science 2018-04-10 Korok Sengupta , Jun Sun , Raphael Menges , Chandan Kumar , Steffen Staab

Interest in and development of touchless gestural interfaces has recently exploded, fueled by the diffusion of both commercial midair gesture platforms and public interactive displays. This paper focuses on an application based on Microsoft…

Human-Computer Interaction · Computer Science 2022-05-03 Cristina Gena , Fabiana Vernero , Claudio Mattutino , Giorgia Persichella , Lomanto Luca

Capacitive touch sensors capture the two-dimensional spatial profile (referred to as a touch heatmap) of a finger's contact with a mobile touchscreen. However, the research and design of touchscreen mobile keyboards -- one of the most speed…

Human-Computer Interaction · Computer Science 2024-10-04 Piyawat Lertvittayakumjorn , Shanqing Cai , Billy Dou , Cedric Ho , Shumin Zhai

In this paper, it is introduced a hand gesture recognition system to recognize the characters in the real time. The system consists of three modules: real time hand tracking, training gesture and gesture recognition using Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Arpita Vats

Air-writing refers to virtually writing linguistic characters through hand gestures in three-dimensional space with six degrees of freedom. This paper proposes a generic video camera-aided convolutional neural network (CNN) based…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Prasun Roy , Subhankar Ghosh , Umapada Pal

In this paper, we aim to look into the feasibility of constructing alphabets using gestures. The main idea is to construct gestures, that are easy to remember, not cumbersome to reproduce and easily identifiable. We construct gestures for…

Applications · Statistics 2020-04-01 Arindam Roy Chowdhury , Abhinandan Dalal , Shubhajit Sen