Browsing University of Hertfordshire by Author "Holthaus, Patrick"

Now showing items 1-20 of 28

    • Affordable robot mapping using omnidirectional vision 

      Bamorovat Abadi, Mohammad; Shahabian Alashti, Mohamad Reza; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (EPSRC UK-RAS Network, 2021-07-15)
      Mapping is a fundamental requirement for robot navigation.In this paper, we introduce a novel visual mapping method that relies solely on a single omnidirectional camera.We present a metric that allows us to generate a map ...

    • Classification of Personal Data Used by Personalised Robot Companions Based on Concern of Exposure 

      Riches, Lewis; Koay, Kheng; Holthaus, Patrick (Springer Nature, 2023-02-02)
      We present a paper looking at the accidental exposure of personal data by personalised companion robots in human-robot interaction. Due to the need for personal data, personalisation brings inherent risk of accidental ...

    • Communicative Robot Signals: Presenting a New Typology for Human-Robot Interaction 

      Holthaus, Patrick; Schulz, Trenton; Lakatos, Gabriella; Soma, Rebekka (ACM Press, 2023-03-13)
      We present a new typology for classifying signals from robots when they communicate with humans. For inspiration, we use ethology, the study of animal behaviour and previous efforts from literature as guides in defining ...

    • Differences of Human Perceptions of a Robot Moving using Linear or Slow in, Slow out Velocity Profiles When Performing a Cleaning Task 

      Schulz, Trenton; Holthaus, Patrick; Amirabdollahian, Farshid; Koay, Kheng; Torresen, Jim; Herstad, Jo (Institute of Electrical and Electronics Engineers (IEEE), 2019-10-14)
      We investigated how a robot moving with different velocity profiles affects a person's perception of it when working together on a task. The two profiles are the standard linear profile and a profile based on the animation ...

    • Does A Loss of Social Credibility Impact Robot Safety? 

      Menon, Catherine; Holthaus, Patrick (IARIA, 2019-03-28)
      This position paper discusses the safety-related functions performed by assistive robots and explores the relationship between trust and effective safety risk mitigation. We identify a measure of the robot’s social ...

    • Evaluating people's perceptions of trust in a robot in a repeated interactions study 

      Rossi, Alessandra; Dautenhahn, Kerstin; Koay, Kheng; Walters, Michael; Holthaus, Patrick (2020-11-06)
      Trust has been established to be a key factor in fostering human-robot interactions. However, trust can change overtime according to different factors, including a breach of trust due to a robot’s error. In this exploratory ...

    • A feasibility study of using Kaspar, a humanoid robot for speech and language therapy for children with learning disabilities 

      Lakatos, Gabriella; Sarda Gou, Marina; Holthaus, Patrick; Wood, Luke; Moros Espanol, Sílvia; Lichfield, Vicky; Robins, Ben; Amirabdollahian, Farshid (Institute of Electrical and Electronics Engineers (IEEE), 2023-11-13)
      The research presented in this paper investigates the feasibility of using humanoid robots like Kaspar as assistive tools in Speech, Language and Communication (SLC) therapy for children with learning disabilities. The ...

    • Getting to know Pepper : Effects of people’s awareness of a robot’s capabilities on their trust in the robot 

      Rossi, Alessandra; Holthaus, Patrick; Dautenhahn, Kerstin; Koay, Kheng Lee; Walters, Michael L. (ACM Press, 2018-12-04)
      This work investigates how human awareness about a social robot’s capabilities is related to trusting this robot to handle different tasks. We present a user study that relates knowledge on different quality levels to ...

    • How a Robot's Social Credibility Affects Safety Performance 

      Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (Springer Nature, 2019-11-17)
      This paper connects the two domains of Human-Robot Interaction (HRI) and safety engineering to ensure that the design of interactive robots considers the effect of social behaviours on safety functionality. We conducted a ...

    • How do Human Users Teach a Continual Learning Robot in Repeated Interactions? 

      Ayub, Ali; Francesco, Zachary; Holthaus, Patrick; Dautenhahn, Kerstin; Nehaniv, Chrystopher (Institute of Electrical and Electronics Engineers (IEEE), 2023-11-13)
      Continual learning (CL) has emerged as an important avenue of research in recent years, at the intersection of Machine Learning (ML) and Human-Robot Interaction (HRI), to allow robots to continually learn in their environments ...

    • Human activity recognition in RoboCup@home: Inspiration from online benchmarks 

      Shahabian Alashti, Mohamad Reza; Bamorovat Abadi, Mohammad; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (EPSRC UK-RAS Network, 2021-07-15)
      Human activity recognition is an important aspect of many robotics applications. In this paper, we discuss how well the RoboCup@home competition accounts for the importance of such recognition algorithms. Using public ...

    • Humans' Perception of a Robot Moving Using a Slow in and Slow Out Velocity Profile 

      Schulz, Trenton; Holthaus, Patrick; Amirabdollahian, Farshid; Koay, Kheng Lee (Institute of Electrical and Electronics Engineers (IEEE), 2019-03-25)
      Humans need to understand and trust the robots they are working with. We hypothesize that how a robot moves can impact people’s perception and their trust. We present a methodology for a study to explore people’s perception ...

    • Improving Public Engagement with Ethical Complexities of Assistive Robots 

      Menon, Catherine; Carta, Silvio; Foerster, Frank; Holthaus, Patrick (Springer Nature, 2023-08-24)
      In order for society to fully realise the potential benefits offered by assistive robots, a number of ethical challenges must firstly be addressed. Crucially, it is important to enhance public understanding of the ways in ...

    • It was a Pleasure Meeting You : Towards a Holistic Model of Human-Robot Encounters 

      Holthaus, Patrick; Wachsmuth, Sven (2021-11)
      Social signals are commonly used to facilitate the usability of humanoid robots. While providing the robot with an extended expressibility, these signals are often applied only in structured interactions where parts of the ...

    • Kaspar Causally Explains 

      Araujo, Hugo; Holthaus, Patrick; Sarda Gou, Marina; Lakatos, Gabriella; Galizia, Giulia; Wood, Luke; Robins, Ben; Mousavi, Mohammadreza; Amirabdollahian, Farshid (Springer Nature, 2023-02-02)
      The Kaspar robot has been used with great success to work as an education and social mediator with children with autism spectrum disorder. Enabling the robot to automatically generate causal explanations is key to enrich ...

    • Kaspar Explains: The Effect of Causal Explanations on Visual Perspective Taking Skills in Children with Autism Spectrum Disorder 

      Sarda Gou, Marina; Lakatos, Gabriella; Holthaus, Patrick; Robins, Ben; Moros Espanol, Sílvia; Wood, Luke; Araujo, Hugo; deGraft-Hanson, Christine Augusta Ekua; Mousavi, Mohammad Reza; Amirabdollahian, Farshid (Institute of Electrical and Electronics Engineers (IEEE), 2023-11-13)
      This paper presents an investigation into the effectiveness of introducing explicit causal explanations in a child-robot interaction setting to help children with autism improve their Visual Perspective Taking (VPT) skills. ...

    • Lightweight human activity recognition for ambient assisted living 

      Shahabian Alashti, Mohamad Reza; Bamorovat Abadi, Mohammad; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (IARIA, 2023-04-28)
      Ambient assisted living (AAL) systems aim to improve the safety, comfort, and quality of life for the populations with specific attention given to prolonging personal independence during later stages of life. Human activity ...

    • Movement Acts in Breakdown Situations : How a Robot’s Recovery Procedure Affects Participants’ Opinions 

      Schulz, Trenton; Soma, Rebekka; Holthaus, Patrick (2021-08-18)
      Recovery procedures are targeted at correcting issues encountered by robots. What are people’s opinions of a robot during these recovery procedures? During an experiment that examined how a mobile robot moved, the robot ...

    • RH-HAR-SK: A Multi-view Dataset with Skeleton Data for Ambient Assisted Living Research 

      Shahabian Alashti, Mohamad Reza; Bamorovat Abadi, Mohammad; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (IARIA, 2023-04-28)
      Human and activity detection has always been a vital task in Human-Robot Interaction (HRI) scenarios, such as those involving assistive robots. In particular, skeleton-based Human Activity Recognition (HAR) offers a robust ...

    • RHM: Robot House Multi-view Human Activity Recognition Dataset 

      Bamorovat Abadi, Mohammad; Shahabian Alashti, Mohamad Reza; Holthaus, Patrick; Menon, Catherine; Amirabdollahian, Farshid (IARIA, 2023-04-28)
      With the recent increased development of deep neural networks and dataset capabilities, the Human Action Recognition (HAR) domain is growing rapidly in terms of both the available datasets and deep models. Despite this, ...