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54th IEEE Frontiers in Education Conference, FIE 2024

作者： Kushner, Sarah Kanji, John Dietz, Paul H. Wigdor, Daniel University of Toronto Dynamic Graphics Project Lab Dept. of Computer Science TorontoON Canada

ISBN: (纸本)9798350351507

This innovative practice full paper finds that story-telling through animatronics can offer a combination of creativity and engineering in order to engage students in an inquiry-based approach to STEM learning. Animatronics is the art and science of bringing a story to life through robotic puppetry. Typically reserved for trained engineers with ample resources, animatronics can be an expressive yet inaccessible medium. We aim to allow students to write, create, and perform an animatronic story, learning valuable technical skills along the way. Our study, which took place over the course of eight weeks, investigates the use of our Paper Animatronics Kit in a Grade 2 and Grade 6 classroom, following the progression of their creative writing, animatronic building, and mentoring processes. We present results of our qualitative analysis of student and teacher interviews and group discussions. © 2024 IEEE.

关键词： Students

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Papertronic Puppets: Teaching STEM and Storytelling Through Creative Construction

Papertronic Puppets: Teaching STEM and Storytelling Through ...

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Frontiers in Education (FIE) Conference

作者： Sarah Kushner John Kanji Paul H. Dietz Daniel Wigdor Dept. of Computer Science Dynamic Graphics Project Lab University of Toronto Toronto ON Canada

ISBN: (数字)9798350351507

ISBN: (纸本)9798350363067

关键词： Animatronics Education Buildings Collaboration Writing Mentoring Interviews Robots Creativity STEM

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How Novices Use LLM-based Code Generators to Solve CS1 Coding Tasks in a Self-Paced Learning Environment 23

How Novices Use LLM-based Code Generators to Solve CS1 Codin...

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Proceedings of the 23rd Koli Calling International Conference on Computing Education Research

作者： Majeed Kazemitabaar Xinying Hou Austin Henley Barbara Jane Ericson David Weintrop Tovi Grossman Department of Computer Science Dynamic Graphics Project (DGP) University of Toronto Canada School of Information University of Michigan USA Microsoft Research USA College of Education University of Maryland USA

ISBN: (纸本)9798400716539

As Large Language Models (LLMs) gain in popularity, it is important to understand how novice programmers use them and the effect they have on learning to code. We present the results of a thematic analysis on a data set from 33 learners, aged 10-17, as they independently learned Python by working on 45 code-authoring tasks with access to an AI Code Generator based on OpenAI Codex. We explore several important questions related to how learners used LLM-based AI code generators, and provide an analysis of the properties of the written prompts and the resulting AI generated code. Specifically, we explore (A) the context in which learners use Codex, (B) what learners are asking from Codex in terms of syntax and logic, (C) properties of prompts written by learners in terms of relation to task description, language, clarity, and prompt crafting patterns, (D) properties of the AI-generated code in terms of correctness, complexity, and accuracy, and (E) how learners utilize AI-generated code in terms of placement, verification, and manual modifications. Furthermore, our analysis reveals four distinct coding approaches when writing code with an AI code generator: AI Single Prompt, where learners prompted Codex once to generate the entire solution to a task; AI Step-by-Step, where learners divided the problem into parts and used Codex to generate each part; Hybrid, where learners wrote some of the code themselves and used Codex to generate others; and Manual coding, where learners wrote the code themselves. Our findings reveal consistently positive trends between learners’ utilization of the Hybrid coding approach and their post-test evaluation scores, while showing consistent negative trends between the AI Single Prompt and the post-test evaluation scores. Furthermore, we offer insights into novice learners’ use of AI code generators in a self-paced learning environment, highlighting signs of over-reliance, self-regulation, and opportunities for enhancing AI-assisted learnin

关键词： ChatGPT Copilot Introductory Programming Large Language Models OpenAI Codex Self-paced Learning Self-regulation

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VibraForge: A Scalable Prototyping Toolkit for Creating Spatialized Vibrotactile Feedback Systems 25

VibraForge: A Scalable Prototyping Toolkit for Creating Spat...

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2025 CHI Conference on Human Factors in Computing Systems, CHI 2025

作者： Huang, Bingjian Ren, Siyi Luo, Yuewen Cheng, Qilong Cai, Hanfeng Sang, Yeqi Sousa, Mauricio Dietz, Paul H Wigdor, Daniel Dynamic Graphics Project Lab University of Toronto Toronto ON Canada Division of Engineering Science University of Toronto Toronto ON Canada Mechanical Engineering University of Toronto Toronto ON Canada Department of Electrical and Computer Engineering University of Toronto Toronto ON Canada Department of Mechanical & Industrial Engineering University of Toronto Toronto ON Canada Reality Labs Research at Meta Toronto ON Canada DGP The University of Toronto Toronto ON Canada Department of Computer Science University of Toronto Toronto ON Canada

ISBN: (纸本)9798400713941

Spatialized vibrotactile feedback systems deliver tactile information by placing multiple vibrotactile actuators on the body. As increasing numbers of actuators are required to adequately convey information in complicated applications, haptic designers find it difficult to create such systems due to limited scalability of existing toolkits. We propose VibraForge, an open-source vibrotactile toolkit that supports up to 128 vibrotactile actuators. Each actuator is encapsulated within a self-contained vibration unit and driven by its own microcontroller. By leveraging a chain-connection method, each unit receives independent vibration commands from a control unit, with fine-grained control over intensity and frequency. We also designed a GUI Editor to expedite the authoring of spatial vibrotactile patterns. Technical evaluation showed that vibration units reliably reproduced audio waveforms with low-latency and high-bandwidth data communication. Case studies of a phonemic tactile display, virtual reality fitness training, and drone teleoperation demonstrated the potential usage of VibraForge within different domains. A usability study with non-expert users highlighted the low technical barrier and customizability of the toolkit. © 2025 Copyright held by the owner/author(s). Publication rights licensed to ACM.

关键词： Haptic Toolkit Haptics Multi-Actuator Devices Vibrotactile Feedback Wearable Devices

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Face Extrusion Quad Meshes 22

Face Extrusion Quad Meshes

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ACM SIGGRAPH 2022 Conference Proceedings

作者： Karran Pandey J. Andreas Bærentzen Karan Singh Dynamic Graphics Project University of Toronto Canada Applied Mathematics and Computer Science Technical University of Denmark Denmark

ISBN: (纸本)9781450393379

We propose a 3D object construction methodology built on face-loop modeling operations. Our Face Extrusion Quad (FEQ) meshes, have a well designed face-loop structure similar to artist crafted 3D models. Furthermore, we define a construction graph which encodes a sequence of primitive extrude/collapse and bridge/separate operations that operate on admissible face-loops. We show that FEQs are imbued with a meaningful face-loop induced shape skeleton, part segmentation, plausible construction history, and possess the many advantages of extrusion-based 3D modeling. Our evaluation is threefold: we show a gallery of challenging 3D models transformed to FEQs with compelling face-loop structure; we showcase the potential of an inherent construction graph, using FEQ-based cut-paste and inverse modeling applications; and we demonstrate the impact of various algorithmic and parameter related choices for FEQ modeling and application.

关键词： quadrilateral meshes shape modeling

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VibraForge: A Scalable Prototyping Toolkit For Creating Spatialized Vibrotactile Feedback Systems

arXiv

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arXiv 2024年

作者： Huang, Bingjian Ren, Siyi Luo, Yuewen Cheng, Qilong Cai, Hanfeng Sang, Yeqi Sousa, Mauricio Dietz, Paul H. Wigdor, Daniel Dynamic Graphics Project Lab University of Toronto TorontoON Canada Division of Engineering Science University of Toronto TorontoON Canada University of Toronto TorontoON Canada Department of Electrical and Computer Engineering University of Toronto TorontoON Canada Department of Mechanical & Industrial Engineering University of Toronto TorontoON Canada

关键词： Vibrotactile aids

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On the importance of illustration for mathematical research

arXiv

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arXiv 2023年

作者： Coulon, Rémi Dorfsman-Hopkins, Gabriel Harriss, Edmund Skrodzki, Martin Stange, Katherine E. Whitney, Glen Univ Rennes CNRS IRMAR - UMR 6625 Rennes35000 France Department of Mathematics Statistics and Computer Science St. Lawrence University CantonNY United States Department of Mathematics School of Art University of Arkansas United States Computer Graphics and Visualization TU Delft Netherlands Department of Mathematics University of Colorado Boulder United States Prison Math Project

MSC Codes 01-02, 01A65, 01A67, 00-02Mathematical understanding is built in many ways. Among these, illustration has been a companion and tool for research for as long as research has taken place. We use the term illustration to encompass any way one might bring a mathematical idea into physical form or experience, including hand-made diagrams or models, computer visualization, 3D printing, and virtual reality, among many others. The very process of illustration itself challenges our mathematical understanding and forces us to answer questions we may not have posed otherwise. It can even make mathematics an experimental science, in which immersive exploration of data and representations drive the cycle of problem, conjecture, and proof. Today, modern technology for the first time places the production of highly complicated models within the reach of many individual mathematicians. Here, we sketch the rich history of illustration, highlight important recent examples of its contribution to research, and examine how it can be viewed as a discipline in its own right. © 2023, CC BY.

关键词： Virtual reality

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The zero resource speech challenge 2019: TTS without T

arXiv

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arXiv 2019年

作者： Dunbar, Ewan Algayres, Robin Karadayi, Julien Bernard, Mathieu Benjumea, Juan Cao, Xuan-Nga Miskic, Lucie Dugrain, Charlotte Ondel, Lucas Black, Alan W. Besacier, Laurent Sakti, Sakriani Dupoux, Emmanuel Laboratoire de Linguistique Formelle CNRS Paris Diderot Sorbonne Paris Cité France Cognitive Machine Learning ENS CNRS EHESS INRIA PSL Research University France Department of Computer Graphics and Multimedia Brno Univ. of Technology Czech Republic Language Technologies Institute Carnegie Mellon University United States Laboratoire d'Informatique de Grenoble GETALP Université Grenoble Alpes France Nara Institute of Science and Technology RIKEN Center for Advanced Intelligence Project Japan Facebook A.I. Research Paris France

We present the Zero Resource Speech Challenge 2019, which proposes to build a speech synthesizer without any text or phonetic labels: hence, TTS without T (text-to-speech without text). We provide raw audio for a target voice in an unknown language (the Voice dataset), but no alignment, text or labels. Participants must discover subword units in an unsupervised way (using the Unit Discovery dataset) and align them to the voice recordings in a way that works best for the purpose of synthesizing novel utterances from novel speakers, similar to the target speaker's voice. We describe the metrics used for evaluation, a baseline system consisting of unsupervised subword unit discovery plus a standard TTS system, and a topline TTS using gold phoneme transcriptions. We present an overview of the 19 submitted systems from 10 teams and discuss the main results. Copyright © 2019, The Authors. All rights reserved.

关键词： Speech synthesis

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Self-Awareness for Autonomous Systems

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PROCEEDINGS OF THE IEEE 2020年第7期108卷 971-975页

作者： Dutt, Nikil Regazzoni, Carlo S. Rinner, Bernhard Yao, Xin Nikil Dutt (Fellow IEEE) received the Ph.D. degree from the University of Illinois at Urbana–Champaign Champaign IL USA in 1989.""He is currently a Distinguished Professor of computer science (CS) cognitive sciences and electrical engineering and computer sciences (EECS) with the University of California at Irvine Irvine CA USA. He is a coauthor of seven books. His research interests include embedded systems electronic design automation (EDA) computer architecture distributed systems healthcare Internet of Things (IoT) and brain-inspired architectures and computing.""Dr. Dutt is a Fellow of ACM. He was a recipient of the IFIP Silver Core Award. He has received numerous best paper awards. He serves as the Steering Committee Chair of the IEEE/ACM Embedded Systems Week (ESWEEK). He is also on the steering organizing and program committees of several premier EDA and embedded system design conferences and workshops. He has served on the Editorial Boards for the IEEE Transactions on Very Large Scale Integration (VLSI) Systems and the ACM Transactions on Embedded Computing Systems and also previously served as the Editor-in-Chief (EiC) for the ACM Transactions on Design Automation of Electronic Systems. He served on the Advisory Boards of the IEEE Embedded Systems Letters the ACM Special Interest Group on Embedded Systems the ACM Special Interest Group on Design Automationt and the ACM Transactions on Embedded Computing Systems. Carlo S. Regazzoni (Senior Member IEEE) received the M.S. and Ph.D. degrees in electronic and telecommunications engineering from the University of Genoa Genoa Italy in 1987 and 1992 respectively.""He is currently a Full Professor of cognitive telecommunications systems with the Department of Electrical Electronics and Telecommunication Engineering and Naval Architecture (DITEN) University of Genoa and a Co-Ordinator of the Joint Doctorate on Interactive and Cognitive Environments (JDICE) international Ph.D. course started initially as EU Erasmus Mundus Project and

Autonomous systems are able to make decisions and potentially take actions without direct human intervention, which requires some knowledge about the system and its environment as well as goal-oriented reasoning. In computer systems, one can derive such behavior from the concept of a rational agent with autonomy (“control over its own actions”), reactivity (“react to events from the environment”), proactivity (“act on its own initiative”), and sociality (“interact with other agents”) as fundamental properties \n[1]\n. Autonomous systems will undoubtedly pervade into our everyday lives, and we will find them in a variety of domains and applications including robotics, transportation, health care, communications, and entertainment to name a few. \nThe articles in this month’s special issue cover concepts and fundamentals, architectures and techniques, and applications and case studies in the exciting area of self-awareness in autonomous systems.

关键词： Special issues and sections Autonomous systems Self-aware Robot sensing systems Computational modeling

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Visual models and ontologies

Visual models and ontologies

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40th graphics Interface Conference, GI 2014

作者： Fiume, Eugene Dynamic Graphics Project Department of Computer Science University of Toronto Canada

ISBN: (纸本)9781482260038

Realistic computer graphics will change the way people think and communicate. Achieving deeper success as a ubiquitous medium will require a more resonant understanding of visual modelling that must embrace mathematical, philosophical, cultural, perceptual and social aspects. With an interleaved understanding, people will be able to create visual ontologies that better align to their expressive needs. In turn, this will naturally lead to ubiquitous supporting technologies. First we need good visual models. A model induces an ontology of things that inevitably omits aspects of the phenomenon, whether desired or not. Thus modelling a model's incompleteness is crucial, for it allows us to account for artifacts, errors, and ontological surprises such as the "uncanny valley". Over the years, my choice of tools to model models has been mathematics. In this paper, I will speak to how little progress we have made and how much broader our investigation must be. Copyright held by authors.

关键词： Ontology

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