Recent Publications

GhostARFeature

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.
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ICPR C2F

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
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VRa DIS

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.
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VRa

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
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big data driven jobs

Big data driven jobs remaining time prediction in discrete manufacturing system: a deep learning-based approach

Weiguang Fang, Yu Guo, Wenhe Liao, Karthik Ramani & Shaohua Huang
International Journal of Production Research (2019): 1-16
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Teaser Figure (4-3)

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
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iclr11

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

Liu, Min, 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
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concept_illustration

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.
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Thumnail

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)
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gausslaobanner

Gauss’s law for networks directly reveals community boundaries

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

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
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teaser_plain2fun

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.
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scenariot_post_website

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
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111

Ani-Bot: A Modular Robotics System Supporting Creation, Tweaking, and Usage with Mixed-Reality Interactions

Yuanzhi Cao, Zhuangying Xu, Terrell Glenn, Ke Huo, Karthik Ramani
Twelfth International Conference on Tangible, Embedded and Embodied Interactions (TEI 2018) March 18-21, Stockholm, Sweden
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3dvspherebanner

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
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AniBot teaser

Ani-Bot: A Mixed-Reality Ready Modular Robotics System

Yuanzhi Cao, Zhuangying Xu, Terrell Glenn, Ke Huo, Karthik Ramani
In Proceedings of the 30th Annual ACM Symposium on User Interface Software & Technology (UIST 2017 Poster Abstract) , Quebec City, Canada, 2017
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Featured_Image

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%)
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iccv17_learning

Learning Hand Articulations by Hallucinating Heat Distribution

Chiho Choi, Sangpil Kim, Karthik Ramani
Proceedings of the IEEE International Conference on Computer Vision, 3104-3113
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01patterns

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
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Capture

Visual Analytics Tools for Sustainable Lifecycle Design: Current Status, Challenges, and Future Opportunities.

Ramanujan D., Bernstein W.Z., Chandrasegaran SK., Ramani K.
Journal of Mechanical Design 139.11 (2017): 111415.
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sheet

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.
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Capture

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.
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vis_pic

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.
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merge_pic

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.
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ninger pic

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.
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Ayan

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.
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BikeGesture

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
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viz

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.
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CumulativeFatigue_CHI17_Thumbnail

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%)
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wire-fig-12-30

WireFab: Mix-Dimension 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%)
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window-shaping-sui

Window-Shaping: 3D Design Ideation by Creating on, Borrowing from, and Looking at the Physical World

Ke Huo, Vinayak, Karthik Ramani
In Proceedings of the TEI'17: Tenth International Conference on Tangible, Embedded, and Embodied Interaction. ACM. (TEI'17: 37-45) , Yokohama, Japan, Mar., 2017
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banner_v2

Co-3Deator: A Team-First Collaborative 3D Design Ideation Tool

Cecil Piya, Vinayak, Senthil Chandrasegaran, Niklas Elmqvist, Karthik Ramani
In Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2017: 6581-6592), Denver, CO, May 6-11, 2017 (Acceptance Rate: 25%)
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deconvolving

Deconvolving Feedback Loops in Recommender Systems

Ayan Sinha, David F. Gleich, Karthik Ramani
In Proceedings of the Thirtieth Annual Conference on Neural Information Processing Systems (NIPS'16) , Barcelona, Spain, 2016
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TRing2_UIST

TRing: Instant and Customizable Interactions with Objects Using an Embedded Magnet and a Finger-Worn Device

Sang Ho Yoon, Yunbo Zhang, Ke Huo, Karthik Ramani
In Proceedings of the 29th Annual ACM Symposium on User Interface Software & Technology (UIST'16) , Tokyo, Japan, 2016 (Acceptance Rate: 20.6%)
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img_eccv

Deep Learning 3D Shape Surfaces using Geometry Images

Ayan SInha, Jing Bai, Karthik Ramani
The 14th European Conference on Computer Vision, October 11-14, 2016, Amsterdam, The Netherlands.
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Banner

FEASY: A Sketch-based Tool for Finite Element Analysis

Sundar Murugappan, Cecil Piya, Maria C. Yang, Karthik Ramani
Journal of Computing and Information Science in Engineering, Volume 16, Issue 3, September 2016
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TCBB

The intrinsic geometric structure of protein-protein interaction networks for protein interaction prediction

Yi Fang, Mengtian Sun, Guoxian Dai, and Karthik Ramani
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB) TCBB Homepage archive Volume 13 Issue 1, January/February 2016 Pages 76-85
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thumbnail

Proto-TAI++: Exploring perceptually consistent creation of planar shape assemblies through multi-modal tangible interactions

Cecil Piya, Vinayak, Karthik Ramani
Journal of Computing and Information Science in Engineering, Volume 16, Issue 3, September 2016
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Picture5

DeepHand: Robust Hand Pose Estimation by Completing a Matrix Imputed with Deep Features

Ayan Sinha*, Chiho Choi*, and Karthik Ramani (* denotes equal contribution)
In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR) 2016, Las Vegas, USA.
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main_figure1

RealFusion: An Interactive Workflow for Repurposing Real-World Objects towards Early-stage Creative Ideation

Cecil Piya, Vinayak, Yunbo Zhang, Karthik Ramani
In Proceedings of Graphics Interface 2016, Victoria, BC, Canada
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CardBoardiZer

CardBoardiZer: Creatively Customize, Articulate and Fold 3D Mesh Models

Yunbo Zhang,Wei Gao, Luis Paredes, Karthik Ramani
Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (pp. 897-907). ACM.
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PMC_Thumnail

Wearable Textile Input Device with Multimodal Sensing for Eyes-Free Mobile Interaction during Daily Activities

Sang Ho Yoon, Ke Huo, Karthik Ramani
Pervasive and Mobile Computing (2016), 33, 17-31
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cubimorph

Cubimorph: Designing Modular Handheld Shape Changing Devices for End-Users

Roudaut, Anne and Krusteva, Diana and Karnik, Abhijit Anil and McCoy, Mike and Ramani, Karthik and Subramanian, Sriram
The International Conference on Robotics and Automation (ICRA) 2016, Stockholm, Sweden.
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TMotion

TMotion: Embedded 3D Mobile Input using Magnetic Sensing Technique

Sang Ho Yoon, Ke Huo, Karthik Ramani
In Proceedings of the 10th International Conference on Tangible, Embedded, and Embodied Interaction (TEI'16), Eindhoven, Netherlands, 2016 (Acceptance Rate: 27%)
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MobiSweep_FeatureImg

MobiSweep: Exploring Spatial Design Ideation Using a Smartphone as a Hand-held Reference Plane

Vinayak, Devarajan Ramanujan, Cecil Piya, Karthik Ramani
In Proceedings of the Tenth International Conference on Tangible, Embedded, and Embodied Interaction, Netherlands, 2016
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CAG2015

Extracting Hand Grasp & Motion for Intent Expression in Mid-Air Shape Deformation: A Concrete & Iterative Exploration through a Virtual Pottery Application

Vinayak and Karthik Ramani
Computers & Graphics, Volume 55, April 2016, Pages 143-156, ISSN 0097-8493, (http://dx.doi.org/10.1016/j.cag.2015.10.012.)
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fig

A Collaborative Filtering Approach to Real-Time Hand Pose Estimation

Chiho Choi, Ayan Sinha, Joon Hee Choi, Sujin Jang, and Karthik Ramani
In Proc. IEEE International Conference on Computer Vision (ICCV) 2015, Santiago, Chile.
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Picture2

Empirical Studies of Functional Decomposition in Early Design

Joran W. Booth, Ahbinav Bhasin, Tahira Reid, and Karthik Ramani
Proceedings of the ASME 2015 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, IDETC/CIE 2015 August 2-5, 2015, Boston, Massachusetts, USA
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RevoMaker

RevoMaker: Enabling Multi-directional and Functionally-embedded 3D Printing using a Rotational Cuboidal Platform

Wei Gao*, Yunbo Zhang*, Diogo C. Nazzetta, Karthik Ramani, Raymond J. Cipra
Continue reading...
MotionFlow for pattern analysis of human motion data. (a) Pose tree: a simplified representation of multiple motion sequences
aggregating the same transitions into a tree diagram. (b) A window dedicated to show a subtree structure based on a query. (c)
Space-filling treemap representation of the motion sequence data using slice-and-dice layout. (d) Node-link diagram of pose
clusters (nodes) and transitions (links) between them. This view supports interactive partition-based pose clustering. (e) Multi-tab
interface for storing unique motion patterns. (f) Animations of single or multiple selected human motions.

MotionFlow: Visual Abstraction and Aggregation of Sequential Patterns in Human Motion Tracking Data

Abstract: Pattern analysis of human motions, which is useful in many research areas, requires understanding and comparison of different styles of motion patterns. However, working… Continue reading...