Karthik Ramani

Object Synthesis by Learning Part Geometry with Surface and Volumetric Representations

Object Synthesis by Learning Part Geometry with Surface and Volumetric Representations

Sangpil Kim, Hyung-gun Chi, Karthik Ramani
Computer-Aided Design Volume 130, January 2021
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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)
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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)
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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

[C-Blog] Purdue Engineering Blog – Upskilling America to Restore Global Competitiveness – by Dr. Karthik Ramani

It’s no secret that the American labor force — and by extension, society as a whole — is splitting into two camps: a relatively small… Continue reading...

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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C Design Lab at the Greater Lafayette Mini Maker Faire 2019

One more year the C-Design Lab is part of the Greater Lafayette Mini Maker Fair, an event that attracts hundreds of children and makers. This… Continue reading...

[C-Blog] Purdue Engineering Blog – What the Media Gets Wrong about Robots – by Dr. Karthik Ramani

The media paints a grim picture of an America in which automation is, in the words of a recent New York Times article, “flushing workers… Continue reading...

GERI 2018 Summer Workshops

    STAR I Workshop Over the summer of 2018, the C Design Lab conducted a two-week Toy Design workshop for students in grades 7… Continue reading...

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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Integrating environmental sustainability in undergraduate mechanical engineering courses using guided discovery instruction

Devarajan Ramanujan, Ninger Zhou & Karthik Ramani
Journal of Cleaner Production 207 (2019): 190-203.
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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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2017 ASME Editors’ Choice Award to ‘The Design for Additive Manufacturing Worksheet’ Publication

Joran Booth, Jeffrey Alperovich, Pratik Chawla, Jiayan Ma, Tahira Reid, and Karthik Ramani
ASME’s Journal of Mechanical Design has given its 2017 Editors’ Choice Award to The Design for Additive Manufacturing Worksheet by Joran Booth, Jeffrey Alperovich, Pratik… Continue reading...

Prestigious Publication: Gauss’s law for networks directly reveals community boundaries – Featured in Scientific Reports

Download: Nature – Gauss’s Law for networks directly reveals community boundaries… Continue reading...

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

Tianyi Wang, Ke Huo, Partik Chawla, Guiming Chen, Siddharth Banerjee, Karthik Ramani
In Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems (p. LBW113). ACM.
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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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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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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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Robust Hand Pose Estimation during the Interaction with an Unknown Object

Chiho Choi, Sang Ho Yoon, Chin-Ning Chen, Karthik Ramani
Proceedings of the IEEE International Conference on Computer Vision, 3123-3132
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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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Study Researches ‘Gorilla-Arm’ Fatigue in Mid-Air Computer Usage

Arm fatigue accumulates during a prolonged use of mid-air interfaces such as Oculus Rift. (Purdue University Photo/Brian Huchel) WEST LAFAYETTE, Ind. — Researchers at Purdue… Continue reading...

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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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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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: 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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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 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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Window-Shaping: 3D Design Ideation in Mixed Reality

Ke Huo, Vinayak, Karthik Ramani
In Proceedings of the 2016 Symposium on Spatial User Interaction, Tokyo, Japan, 2016 Oct.
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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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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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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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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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New tool for virtual and augmented reality uses ‘deep learning’

WEST LAFAYETTE, Ind. – Future systems that allow people to interact with virtual environments will require computers to interpret the human hand’s nearly endless variety… Continue reading...

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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The Design For Additive Manufacturing Worksheet

Joran W. Booth, Jeffery Alperovich, Tahira N. Reid, Karthik Ramani
Proceedings of the ASME 2016 International Design Engineering Technical Conferences &Computers and Information in Engineering ConferenceIDETC/CIE 2016August 21-24, 2016, Charlotte, North Carolina, USA
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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: 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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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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Optimal Fitting of Strain-Controlled Flattenable Mesh Surfaces

Yunbo Zhang, Charlie C. L. Wang, Karthik Ramani
The International Journal of Advanced Manufacturing Technology, 1-15.
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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: 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: 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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Interventions for Teaching Sketching Skills and Reducing Inhibition for Novice Engineering Designers

Joran W. Booth, Elkin A. Taborda, Karthik Ramani, and Tahira Reid
Design Studies, 43, 1-23.
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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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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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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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Comparing Functional Analysis Methods for Product Dissection Tasks

Joran W. Booth, Tahira N. Reid, Claudia Eckert, Karthik Ramani
Journal of Mechanical Design J. Mech. Des 137(8), 081101 (Aug 01, 2015) (10 pages) doi: 10.1115/1.4030232
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