GesturAR: An Authoring System for Creating Freehand Interactive Augmented Reality Applications

GesturAR: An Authoring System for Creating Freehand Interactive Augmented Reality Applications

Tianyi Wang, Xun Qian, Fengming He, Xiyun Hu, Yuanzhi Cao, Karthik Ramani
In The 34th Annual ACM Symposium on User Interface Software and Technology (UIST '21)

Freehand gesture is an essential input modality for modern Augmented Reality (AR) user experiences. However, developing AR applications with customized hand interactions remains a challenge for end-users. Therefore, we propose GesturAR, an...

ProcessAR: An augmented reality-based tool to create in-situ procedural 2D/3D AR Instructions

ProcessAR: An augmented reality-based tool to create in-situ procedural 2D/3D AR Instructions

Subramanian Chidambaram, Hank Huang, Fengming He, Xun Qian, Ana M Villanueva, Thomas S Redick, Wolfgang Stuerzlinger, Karthik Ramani
In Proceedings of the Designing Interactive Systems Conference

Augmented reality (AR) is an efficient form of delivering spatial information and has great potential for training workers. However, AR is still not widely used for such scenarios due to the technical skills and expertise required to create...

FabHandWear : An End-to-End Pipeline from Design to Fabrication of Customized Functional Hand Wearables

FabHandWear : An End-to-End Pipeline from Design to Fabrication of Customized Functional Hand Wearables

Luis Paredes, Sai Swarup Reddy, Subramanian Chidambaram, Devashri Vagholkar, Yunbo Zhang, Bedrich Benes, Karthik Ramani
In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Current hand wearables have limited customizability, they are loose-fit to an individual's hand and lack comfort. The main barrier in customizing hand wearables is the geometric complexity and size variation in hands. Moreover, there are different...

Towards modeling of human skilling for electrical circuitry using augmented reality applications

Towards modeling of human skilling for electrical circuitry using augmented reality applications

Ana Villanueva, Ziyi Liu, Yoshimasa Kitaguchi, Zhengzhe Zhu, Kylie Peppler, Thomas Redick, Karthik Ramani
International Journal of Educational Technology in Higher Education

Augmented reality (AR) is a unique, hands-on tool to deliver information. However, its educational value has been mainly demonstrated empirically so far. In this paper, we present a modeling approach to provide users with mastery of a skill, using...

RobotAR: An Augmented Reality Compatible Teleconsulting Robotics Toolkit for Augmented Makerspace Experiences

RobotAR: An Augmented Reality Compatible Teleconsulting Robotics Toolkit for Augmented Makerspace Experiences

Ana Villanueva, Zhengzhe Zhu, Ziyi Liu, Xin Du, Joey Huang, Kylie Peppler, Karthik Ramani
In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

Distance learning is facing a critical moment finding a balance between high quality education for remote students and engaging them in hands-on learning. This is particularly relevant for project-based classrooms and makerspaces, which typically...

LightPaintAR: Assist Light Painting Photography with Augmented Reality

LightPaintAR: Assist Light Painting Photography with Augmented Reality

Tianyi Wang, Xun Qian, Fengming He, Karthik Ramani
In Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems

Light painting photos are created by moving light sources in mid-air while taking a long exposure photo. However, it is challenging for novice users to leave accurate light traces without any spatial guidance. Therefore, we present LightPaintAR, a...

AdapTutAR: An Adaptive Tutoring System for Machine Tasks in Augmented Reality

AdapTutAR: An Adaptive Tutoring System for Machine Tasks in Augmented Reality

Gaoping Huang*, Xun Qian*, Tianyi Wang, Fagun Patel, Maitreya Sreeram, Yuanzhi Cao, Karthik Ramani, and Alexander J. Quinn
In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

Modern manufacturing processes are in a state of flux, as they adapt to increasing demand for flexible and self-configuring production. This poses challenges for training workers to rapidly master new machine operations and processes, i.e. machine...

VRFromX: From Scanned Reality to Interactive Virtual Experience with Human-in-the-Loop

VRFromX: From Scanned Reality to Interactive Virtual Experience with Human-in-the-Loop

Ananya Ipsita, Hao Li, Runlin Duan, Yuanzhi Cao, Subramanian Chidambaram, Min Liu, Karthik Ramani
In Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems

There is an increasing trend of Virtual-Reality (VR) applications found in education, entertainment, and industry. Many of them utilize real world tools, environments, and interactions as bases for creation. However, creating such applications is...

First-Person View Hand Segmentation of Multi-Modal Hand Activity Video Dataset

First-Person View Hand Segmentation of Multi-Modal Hand Activity Video Dataset

Sangpil Kim, Hyung-gun Chi, Xiao Hu, Anirudh Vegesana, Karthik Ramani
In proceedings of the 31st British Machine Vision Conference (BMVC)

Abstract:  First-person-view videos of hands interacting with tools are widely used in the computer vision industry. However, creating a dataset with pixel-wise segmentation of hands is challenging since most videos are captured with fingertips...

A Large-scale Annotated Mechanical Components Benchmark for Classification and Retrieval Tasks with Deep Neural Networks

A Large-scale Annotated Mechanical Components Benchmark for Classification and Retrieval Tasks with Deep Neural Networks

Sangpil Kim*, Hyung-gun Chi*, Xiao Hu, Qixing Huang, Karthik Ramani
In proceedings of 16th European Conference on Computer Vision (ECCV)

We introduce a large-scale annotated mechanical components benchmark for classification and retrieval tasks named Mechanical Components Benchmark (MCB): a large-scale dataset of 3D objects of mechanical components. The dataset enables data-driven...

CAPturAR: An Augmented Reality Tool for Authoring Human-Involved Context-Aware Applications

CAPturAR: An Augmented Reality Tool for Authoring Human-Involved Context-Aware Applications

Tianyi Wang*, Xun Qian*, Fengming He, Xiyun Hu, Ke Huo, Yuanzhi Cao, Karthik Ramani
In Proceedings of the 2020 UIST 33rd ACM User Interface Software and Technology Symposium

Recognition of human behavior plays an important role in context-aware applications. However, it is still a challenge for end-users to build personalized applications that accurately recognize their own activities. Therefore, we present CAPturAR,...

StoryMakAR: Bringing Stories to Life with an Augmented Reality & Physical Prototyping Toolkit for Youth

StoryMakAR: Bringing Stories to Life with an Augmented Reality & Physical Prototyping Toolkit for Youth

Terrell Glenn, Ananya Ipsita, Caleb Carithers, Kylie Peppler, Karthik Ramani
In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

Makerspaces can support educational experiences in prototyping for children. Storytelling platforms enable high levels of creativity and expression, but have high barriers of entry. We introduce StoryMakAR, which combines making and storytelling....

Vipo: Spatial-Visual Programming with Functions for Robot-IoT Workflows

Vipo: Spatial-Visual Programming with Functions for Robot-IoT Workflows

Gaoping Huang, Pawan S. Rao, Meng-Han Wu, Xun Qian, Shimon Y. Nof, Karthik Ramani, and Alexander J. Quinn
In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

Mobile robots and IoT (Internet of Things) devices can increase productivity, but only if they can be programmed by workers who understand the domain. This is especially true in manufacturing. Visual programming in the spatial context of the...

An Exploratory Study of Augmented Reality Presence for Tutoring Machine Tasks

An Exploratory Study of Augmented Reality Presence for Tutoring Machine Tasks

Yuanzhi Cao, Xun Qian, Tianyi Wang, Rachel Lee, Ke Huo, Karthik Ramani
In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

Machine tasks in workshops or factories are often a compound sequence of local, spatial, and body-coordinated human-machine interactions. Prior works have shown the merits of video-based and augmented reality (AR) tutoring systems for local tasks....

Meta-AR-App: An Authoring Platform for Collaborative Augmented Reality in STEM Classrooms

Meta-AR-App: An Authoring Platform for Collaborative Augmented Reality in STEM Classrooms

Ana Villanueva, Zhengzhe Zhu, Ziyi Liu, Thomas Redick, Kylie Peppler, and Karthik Ramani
In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

Augmented Reality (AR) has become a valuable tool for education and training processes. Meanwhile, cloud-based technologies can foster collaboration and other interaction modalities to enhance learning. We combine the cloud capabilities with AR...

Autonomous Robotic Exploration and Mapping of Smart Indoor Environments With UWB-IoT Devices

Autonomous Robotic Exploration and Mapping of Smart Indoor Environments With UWB-IoT Devices

Tianyi Wang, Ke Huo, Muzhi Han, Daniel McArthur, Ze An, David Cappeleri, and Karthik Ramani
In Proceedings of AAAI Spring Symposium Series 2020

The emerging simultaneous localization and mapping (SLAM) techniques enable robots with the spatial awareness of the physical world. However, such awareness remains at a geometric level. We propose an approach for quickly constructing a smart...

Using Social Interaction Traced Data and Context to Predict Collaboration Quality and Creative Fluency in Collaborative Design Learning Environments

Using Social Interaction Traced Data and Context to Predict Collaboration Quality and Creative Fluency in Collaborative Design Learning Environments

Ninger Zhou, Lorraine Kisselburgh, Senthil Chandrasegaran, S. Karthik Badam, Niklas Elmqvist, and Karthik Ramani
International Journal of Human-Computer Studies 136 (2020): 102378

Engineering design typically occurs as a collaborative process situated in specific context such as computer-supported environments, however there is limited research examining the dynamics of design collaboration in specific contexts. In this...

Latent transformations neural network for object view synthesis

Latent transformations neural network for object view synthesis

Sangpil Kim, Nick Winovich, Hyung-Gun Chi, Guang Lin, Karthik Ramani
The Visual Computer (2019): 1-15.

We propose a fully convolutional conditional generative neural network, the latent transformation neural network, capable of rigid and non-rigid object view synthesis using a lightweight architecture suited for real-time applications and embedded...

GhostAR: A Time-space Editor for Embodied Authoring of Human-Robot Collaborative Task with Augmented Reality

GhostAR: A Time-space Editor for Embodied Authoring of Human-Robot Collaborative Task with Augmented Reality

Yuanzhi Cao*, Tianyi Wang*, Xun Qian, Pawan S. Rao, Manav Wadhawan, Ke Huo, Karthik Ramani
Proceedings of the 32nd Annual Symposium on User Interface Software and Technology. ACM, 2019.

We present GhostAR, a time-space editor for authoring and acting Human-Robot-Collaborative (HRC) tasks in-situ. Our system adopts an embodied authoring approach in Augmented Reality (AR), for spatially editing the actions and programming the robots...

Collaboration Requirement Planning Protocol for HUB-CI in Factories of the Future

Collaboration Requirement Planning Protocol for HUB-CI in Factories of the Future

P.O. Dusadeerungsikul, M. Sreeram, X. He, A. Nair, K. Ramani, A.J. Quinn, S.Y. Nof
Procedia Manufacturing, ICPR-25, Chicago, IL August 2019

Rapid advances in production systems’ models and technology continually challenge manufacturers preparing for the factories of the future. To address the complexity issues typically coupled with the improvements, we have developed a brain-inspired...

V.Ra: An In-Situ Visual Authoring System for Robot-IoT Task Planning with Augmented Reality

V.Ra: An In-Situ Visual Authoring System for Robot-IoT Task Planning with Augmented Reality

Yuanzhi Cao, Zhuangying Xu, Fan Li, Wentao Zhong, Ke Huo, and Karthik Ramani
In Proceedings of the 2019 on Designing Interactive Systems Conference (pp. 1059-1070). ACM.

We present V.Ra, a visual and spatial programming system for robot-IoT task authoring. In V.Ra, programmable mobile robots serve as binding agents to link the stationary IoTs and perform collaborative tasks. We establish an ecosystem that...

V.Ra: An In-Situ Visual Authoring System for Robot-IoT Task Planning with Augmented Reality

V.Ra: An In-Situ Visual Authoring System for Robot-IoT Task Planning with Augmented Reality

Yuanzhi Cao, Zhuangying Xu, Fan Li, Wentao Zhong, Ke Huo, and Karthik Ramani
Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems, LBW0151:1–LBW0151:6. https://doi.org/10.1145/3290607.3312797

We present V.Ra, a visual and spatial programming system for robot-IoT task authoring. In V.Ra, programmable mobile robots serve as binding agents to link the stationary IoTs and perform collaborative tasks. We establish an ecosystem that...

Shape Structuralizer: Design, Fabrication, and User-driven Iterative Refinement of 3D Mesh Models

Shape Structuralizer: Design, Fabrication, and User-driven Iterative Refinement of 3D Mesh Models

Subramanian Chidambaram, Yunbo Zhang, Venkatraghavan Sundararajan, Niklas Elmqvist, and Karthik Ramani
ACM SIGCHI Conference on Human Factors in Computing Systems (CHI 2019), May 4–9, 2019, Glasgow, Scotland, UK

Current Computer-Aided Design (CAD) tools lack proper support for guiding novice users towards designs ready for fabrication. We propose Shape Structuralizer (SS), an interactive design support system that repurposes surface models into structural...

Deep Learning 3D Shapes Using ALT-AZ Anisotropic 2-Sphere Convolution

Deep Learning 3D Shapes Using ALT-AZ Anisotropic 2-Sphere Convolution

Min Liu, Fupin Yao, Chiho Choi, Sinha Ayan, and Karthik Ramani
In proceedings of Seventh International Conference on Learning Representations (ICLR), New Orleans, May 6-9, 2019

The ground-breaking performance obtained by deep convolutional neural networks (CNNs) for image processing tasks is inspiring research efforts attempting to extend it for 3D geometric tasks. One of the main challenge in applying CNNs to 3D shape...

SynchronizAR: Instant Synchronization for Spontaneous and Spatial Collaborations in Augmented Reality

SynchronizAR: Instant Synchronization for Spontaneous and Spatial Collaborations in Augmented Reality

Ke Huo, Tianyi Wang, Luis Paredes, Ana M Villanueva, Yuanzhi Cao, Karthik Ramani
In Proceedings of the 31th Annual Symposium on User Interface Software and Technology, UIST 2018, Oct. 14-17, Berlin, Germany.

We present SynchronizAR, an approach to spatially register multiple SLAM devices together without sharing maps or involving external tracking infrastructures. SynchronizAR employs a distance based indirect registration which resolves the...

MultiSoft: Soft Sensor Enabling Real-Time Multimodal Sensing with Contact Localization and Deformation Classification

MultiSoft: Soft Sensor Enabling Real-Time Multimodal Sensing with Contact Localization and Deformation Classification

Sang Ho Yoon, Luis Paredes, Ke Huo, Karthik Ramani
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT Volume 2 Issue 3, UbiComp 2018)

Abstract: We introduce MultiSoft, a multilayer soft sensor capable of sensing real-time contact localization, classification of deformation types, and estimation of deformation magnitudes. We propose a multimodal sensing pipeline that carries out...

Gauss’s law for networks directly reveals community boundaries

Gauss’s law for networks directly reveals community boundaries

Ayan Sinha, David F. Gleich & Karthik Ramani
Scientific reports 8.1 (2018): 11909.

The study of network topology provides insight into the function and behavior of physical, social, and biological systems. A natural step towards discovering the organizing principles of these complex topologies is to identify a reduced network...

Toying With Design: Experiencing Design for Rapid Prototyping Using Mini-Fabrication Exercises

Toying With Design: Experiencing Design for Rapid Prototyping Using Mini-Fabrication Exercises

Siddharth Banerjee, Caleb Carithers, Aniket Chavan, Devarajan Ramanujan and Karthik Ramani
Proceedings of the ASME 2018 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2018. August 26-29, 2018, Quebec City, Canada

This study explores the use of mini-fabrication exercises for helping students learn design for rapid prototyping in computeraided design and prototyping courses in engineering curricula. To this end, we conducted mini-fabrication exercises in...

Plain2Fun: Augmenting Ordinary Objects with Interactive Functions by Auto-Fabricating Surface Painted Circuits

Plain2Fun: Augmenting Ordinary Objects with Interactive Functions by Auto-Fabricating Surface Painted Circuits

Tianyi Wang, Ke Huo, Pratik Chawla, Guiming Chen, Siddharth Banerjee, Karthik Ramani
Proceedings of the 2018 DIS Designing Interactive Systems Conference, June 9-13, 2018, Hong Kong, China, with honourable mention.

The growing makers’ community demands better supports for designing and fabricating interactive functional objects. Most of the current approaches focus on embedding desired functions within new objects. Instead, we advocate repurposing the...

Scenariot: Spatially Mapping Smart Things Within Augmented Reality Scenes

Scenariot: Spatially Mapping Smart Things Within Augmented Reality Scenes

Ke Huo, Yuanzhi Cao, Sang Ho Yoon, Zhuangying Xu, Guiming Chen, Karthik Ramani
Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems, CHI 2018, April 21–26, 2018, Montreal, QC, Canada

The emerging simultaneous localizing and mapping (SLAM) based tracking technique allows the mobile AR device spatial awareness of the physical world. Still, smart things are not fully supported with the spatial awareness in AR. Therefore, we...

3D Object Classification via Spherical Projections

3D Object Classification via Spherical Projections

Zhangjie Cao, Qixing Huang, Karthik Ramani
In Proceedings of International Conference on 3D Vision (3DV 2017), Spotlight Presentation. Qingdao, China, October 12-14, 2017

In this paper, we introduce a new method for classifying 3D objects. Our main idea is to project a 3D object onto a spherical domain centered around its barycenter and develop neural network to classify the spherical projection. We introduce two...

iSoft: A Customizable Soft Sensor with Real-time Continuous Contact and Stretching Sensing

iSoft: A Customizable Soft Sensor with Real-time Continuous Contact and Stretching Sensing

Sang Ho Yoon, Ke Huo, Yunbo Zhang, Guiming Chen, Luis Paredes, Subramanian Chidambaram, Karthik Ramani
In Proceedings of the 30th Annual ACM Symposium on User Interface Software & Technology (UIST'17) , Quebec City, Canada, 2017 (Acceptance Rate: 22.5%)

We present iSoft, a single volume soft sensor capable of sensing real-time continuous contact and unidirectional stretching. We propose a low-cost and an easy way to fabricate such piezoresistive elastomer-based soft sensors for instant...

Learning Hand Articulations by Hallucinating Heat Distribution

Learning Hand Articulations by Hallucinating Heat Distribution

Chiho Choi, Sangpil Kim, Karthik Ramani
Proceedings of the IEEE International Conference on Computer Vision, 3104-3113

We propose a robust hand pose estimation method by learning hand articulations from depth features and auxiliary modality features. As an additional modality to depth data, we present a function of geometric properties on the surface of the hand...

Design Patterns for Visualization-Based Tools in Sustainable Product Design

Design Patterns for Visualization-Based Tools in Sustainable Product Design

Ramanujan D., Bernstein W.Z., Ramani K.
Proceedings of the 2017 ASME International Design Engineering Technical Conferences, Cleveland, Ohio, USA

Most design activities involve exploring and comparing existing designs. Thus, adopting an eco-conscious approach in the design exploration process can aid environmentally sustainable product design (SPD). One approach for supporting exploration in...

The Design for Additive Manufacturing Worksheet

The Design for Additive Manufacturing Worksheet

Joran W. Booth, Jeffrey Alperovich, Pratik Chawla, Jiayan Ma, Tahira Reid, Karthik Ramani
Journal of Mechanical Design 139.10 (2017): 100904.

Additive manufacturing (AM) technologies have become integral to modern prototyping and manufacturing. Therefore, guidelines for using AM are necessary to help users new to the technology. Many others have proposed useful guidelines, but these are...

Secure Collaboration in Engineering Systems Design

Secure Collaboration in Engineering Systems Design

Wang S., Bhandari S., Chaduvula S. Chaitanya, Atallah M., Panchal J. H., Ramani K
Journal of Computing and Information Science in Engineering 17.4 (2017): 041010.

The goal in this paper is to enable collaboration in the co-design of engineering artifacts when participants are reluctant to share their design-related confidential and proprietary information with other co-designers, even though such information...

Integrating Visual Analytics Support for Grounded Theory Practice in Qualitative Text Analysis

Integrating Visual Analytics Support for Grounded Theory Practice in Qualitative Text Analysis

Senthil Chandrasegaran, Sriram Karthik Badam, Lorraine Kisselburgh, Karthik Ramani, Niklas Elmqvist
Computer Graphics Forum. Vol. 36. No. 3. 2017.

We present an argument for using visual analytics to aid Grounded Theory methodologies in qualitative data analysis. Grounded theory methods involve the inductive analysis of data to generate novel insights and theoretical constructs. Making sense...

Merging Sketches for Creative Design Exploration: An Evaluation of Physical and Cognitive Operations

Merging Sketches for Creative Design Exploration: An Evaluation of Physical and Cognitive Operations

Senthil Chandrasegaran, Sriram Karthik Badam, Ninger Zhou, Zhenpeng Zhao, Lorraine Kisselburgh, Kylie Peppler, Niklas Elmqvist, Karthik Ramani
In proceedings of the 2017 Graphics Interface Conference.

Despite its grounding in creativity techniques, merging multiple source sketches to create new ideas has received scant attention in design literature. In this paper, we identify the physical operations that in merging sketch components. We also...

The Influence of Toy Design Activities on Middle School Students Understanding of the Engineering Design Processes

The Influence of Toy Design Activities on Middle School Students Understanding of the Engineering Design Processes

Ninger Zhou, Nielsen L. Pereira, Tarun Thomas George, Jeffrey Alperovich, Joran Booth, Senthil Chandrasegaran, Jeffrey David Tew, Devadatta M. Kulkarni, Karthik Ramani
Journal of Science Education and Technology (2017): 1-13.

The societal demand for inspiring and engaging science, technology, engineering, and mathematics (STEM) students and preparing our workforce for the emerging creative economy has necessitated developing students self-efficacy and understanding of...

SurfNet: Generating 3D shape surfaces using deep residual networks

SurfNet: Generating 3D shape surfaces using deep residual networks

Sinha, A., Unmesh, A., Huang, Q., and Ramani, K
Proceedings of the IEEE conference on computer vision and pattern recognition. 2017.

  3D shape models are naturally parameterized using vertices and faces, i.e., composed of polygons forming a surface. However, current 3D learning paradigms for predictive and generative tasks using convolutional neural networks focus on a...

BikeGesture: User Elicitation and Performance of Micro Hand Gesture as Input for Cycling

BikeGesture: User Elicitation and Performance of Micro Hand Gesture as Input for Cycling

Yanke Tan, Sang Ho Yoon, Karthik Ramani
In Proceedings of the 2017 CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA' 17: 2147-2154), Denver, CO, May 6-11, 2017

Abstract: The use of hand gestures has a potential as a promising input metaphor. Wearables like smart textile and data gloves can provide hand gesture recognition to potentially replace, augment or improve existing input methods. Although recent...

VizScribe: A visual analytics approach to understand designer behavior

VizScribe: A visual analytics approach to understand designer behavior

Chandrasegaran, S., Badam, S. K., Kisselburgh, L., Peppler, K., Elmqvist, N., and Ramani, K.
International Journal of Human-Computer Studies, 100, April 2017, pp. 66 -- 80.

Design protocol analysis is a technique to understand designers’ cognitive processes by analyzing sequences of observations on their behavior. These observations typically use audio, video, and transcript data in order to gain insights into the...

Modeling Cumulative Arm Fatigue in Mid-Air Interaction based on Perceived Exertion and Kinetics of Arm Motion

Modeling Cumulative Arm Fatigue in Mid-Air Interaction based on Perceived Exertion and Kinetics of Arm Motion

Sujin Jang, Wolfgang Stuerzlinger, Satyajit Ambike, Karthik Ramani
In Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2017: 3328-3339), Denver, CO, May 6-11, 2017 (Acceptance Rate: 25%)

Quantifying cumulative arm muscle fatigue is a critical factor in understanding, evaluating, and optimizing user experience during prolonged mid-air interaction. A reasonably accurate estimation of fatigue requires an estimate of an individual's...

WireFab: Mix-Dimensional Modeling and Fabrication for 3D Mesh Models

WireFab: Mix-Dimensional Modeling and Fabrication for 3D Mesh Models

Min Liu, Yunbo Zhang, Jing Bai, Yuanzhi Cao, Jeffrey Alperovich, Karthik Ramani
In Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2017: 965-976), Denver, CO, May 6-11, 2017 (Acceptance Rate: 25%)

We propose WireFab, a rapid modeling and prototyping system that uses bent metal wires as the structure framework. WireFab approximates both the skeletal articulation and the skin appearance of the corresponding virtual skin meshes, and it allows...