Karthik Ramani

ChiroBot

ChiroBot: Modular-Robotic Manipulation via Spatial Hand Gestures.

Jasjeet Singh Seehra, Ansh Verma and Karthik Ramani
Proceedings of the 2014 conference on Interaction design and children (IDC '14). ACM, New York, NY, USA, 209-212.
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FrameworkExample

PuppetX: A Framework for Gestural Interactions With User Constructed Playthings

Saikat Gupta, Sujin Jang, and Karthik Ramani
Proceedings of the ACM Conference on Advanced Visual Interfaces, May 27-30, Como, Italy. pp. 73-80, 2014
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comparison

Tracing and Sketching Performance using Blunt-tipped Styli on Direct-Touch Tablets

Sriram Karthik Badam, Senthil Chandrasegaran,Niklas Elmqvist, and Karthik Ramani
Proceedings of the ACM Conference on Advanced Visual Interfaces, May 27-30, Como, Italy. pp. 193-200, 2014
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FeatureImage

zPots : A Virtual Pottery Experience Through Spatial Interactions Using the Leap Motion Device

Vinayak, Karthik Ramani, Kevin Lee Jr., Raja Jasti
Proceedings of the ACM CHI' 14 Extended Abstracts on Human Factors in Computing System (CHI EA'14) April 26- May 1, Toronto, Canada.
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Figure: Detail of final robot illustration by an artist created using Juxtapoze while freely exploring (10 min). The task log shows substantial
time spent on edits and personalization of constituent shapes.

Juxtapoze: Supporting Serendipity and Creative Expression in Clipart Compositions

William Benjamin, Senthil Chandrasegaran, Devarajan Ramanujan, Niklas Elmqvist, SVN Vishwanathan, Karthik Ramani
Proceedings of the ACM Conference on Human Factors in Computing Systems, April 26 - May 1, Toronto, Canada. pp 341-350, 2014.
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teaser

skWiki: A Multimedia Sketching System for Collaborative Creativity

Zhenpeng Zhao, Sriram Karthik Badam, Senthil Chandrasegaran, Deok Gun Park, Niklas Elmqvist, Lorraine Kisselburgh, and Karthik Ramani
Proceedings of the ACM Conference on Human Factors in Computing Systems, April 26 - May 1, Toronto, Canada. pp. 1235-1244, 2014.
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AbstractionDiagram

Understanding Abstraction In Design: A Comparison of Three Functional Analysis Methods for Product Dissection

Joran Booth, Tahira Reid, Karthik Ramani
ASME IDETC/CIE 2013
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foursquare

Profiling Energy Consumption of Smartphone Users for Environmentally Efficient Business Decisions

William Z. Bernstein, Devarajan Ramanujan, Fu Zhao, Karthik Ramani
ASME IDETC/CIE 2013
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new1

Best Paper Award by the American Society of Mechanical Engineers (ASME)

Devarajan Ramanujan, William Benjamin,  and William Z. Bernstein along with Professors’ Niklas Elmqvist and Karthik Ramani were awarded the 2013 Design for Manufacturing and the… Continue reading...
Treemap

shapeSift: Suggesting sustainable options in design reuse from part repositories

Devarajan Ramanujan, William Benjamin, William Z. Benstein, Niklas Elmqvist, Karthik Ramani
ASME IDETC/CIE 2013
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Flowchart of the analysis performed on text corpora from the discussions, representations, and reports from student brainstorming sessions

Understanding Brainstorming through Text Visualization

Senthil Chandrasegaran, Lorraine Kisselburgh, Karthik Ramani
ASME IDETC/CIE 2013
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scale

Multiscale Kernels using Random Walks

Karthik Ramani, Ayan Sinha
11th Symposium on Geometry processing, 3-5 July, Genova, Italy, 2013. Proceedings of the Computer Graphics Forum, Computer Graphics Forum, Volume 33, Issue 1, pages 164–177, 2014.
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Pirate2

Shape-It-Up: Hand Gesture Based Creative Expression of 3D Shapes Using Intelligent Generalized Cylinders

Vinayak, Sundar Murugappan, HaiRong Liu, Karthik Ramani,
Computer-Aided Design, Volume 45, Issue 2, February 2013, Pages 277-287, ISSN 0010-4485, 10.1016/j.cad.2012.10.011. (http://www.sciencedirect.com/science/article/pii/S0010448512002163)
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usd_touch_tumb

Extended Multitouch: Recovering Touch Posture & Identity Using Depth Cameras on a Pen+Touch Tabletop Interface

Sundar Murugappan, Vinayak, Niklas Elmqvist, Karthik Ramani
Proceedings of ACM Conference on User Interface Software and Technology, 2012
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Glove_rend6

ACTIVE-Hand: Automatic Configurable Tactile Interaction in Virtual Environment

You Wu, Lara Schmidt, Matthew Parker, John Strong, Michael Bruns, Vinayak Karthik Ramani
Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference
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knowledge_representation

The evolution, challenges, and future of knowledge representation in product design systems

Senthil Chandrasegaran, Karthik Ramani, Ram D. Sriram, Imre Horvath, Alain Bernard, Ramy Harik, Wei Gao
Computer-Aided Design Volume 45, Issue 2, February 2013, Pages 204-228.
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mechatronics_modular_setup

A Proposed Platform to Simplify the Integration of Electronics into a Mechanical Engineering Design Course

Brett Skaloud, Senthil Chandrasegaran, Karthik Ramani
Proceedings of the ASME 2012 IDETC/CIE.
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me444_featured

Enhancing Visual Thinking in a Toy Design Course Using Freehand Sketching

Elkin Taborda, Senthil Chandrasegaran, Lorraine Kisselburgh, Tahira Reid, Karthik Ramani
Proceedings of the ASME 2012 IDETC/CIE.
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Figure12

Handy-Potter: Rapid 3D Shape Exploration Through Natural Hand Motions

Vinayak, Sundar Murugappan, Cecil Piya, Karthik Ramani
Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2012, August 12-15, 2012, Chicago, Illinois, USA
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main-image_520

Kaleidogami: Multi-Primitive Reconfigurable Artistic Structures

Wei Gao and Karthik Ramani
Hyperseeing Spring 2012, Special Issue on Proceedings of SMI 2012 Fabrication and Sculpting Event
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IMG_4998

Makers’ Faire 2012

In 2012, our lab represented Purdue for the first time at the annual Makers’ Faire in San Mateo, California. We taught sketching workshops for well… Continue reading...
material

Designing-in Sustainability by Linking Engineering Curricula with K-12 Science Projects

William Z. Bernstein, Arjun Ramani, Xiulin Ruan, Devarajan Ramanujan, and Karthik Ramani
Proceedings of the ASME 2012 IDETC/CIE.
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disassembly_network

Discovering Material Recovery Scenarios for Industrial Machinery

William Z. Bernstein, Devarajan Ramanujan, Mikko Koho, Fu Zhao, and Karthik Ramani
Proceedings of the 2012 ASME MSEC.
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critique_flowchart

Teaching Design for Environment through Critique within a Project Based Product Design Course

William Z. Bernstein, Devarajan Ramanujan, Fu Zhao, Monica F. Cox, and Karthik Ramani
IJEE: Special Issue on Design Centric Engineering Education, Vol. 28, No. 4, pp.1-12.
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1

Center-Shift: An Approach Towards Automatic Robust Mesh Segmentation (ARMS)

Mengtian Sun , Yi Fang , and Karthik Ramani
IEEE Computer Vision and Pattern Recognition (CVPR), 2012
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444

ME 444: Redesigning a Toy Design Course.

Elkin Taborda, Senthil Chandrasegaran and Karthik Ramani
Proceedings of TMCE 2012, May 7–11, 2012, Karlsruhe, Germany, edited by I. Horváth and Z. Rusák, A. Albers and M. Behrendt.
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rere

Towards locally and globally shape-aware reverse 3D modeling

Manish Goyal, Sundar Murugappan, Cecil Piya, William Benjamin, Yi Fang, Min Liu, Karthik Ramani
Computer-Aided Design, Volume 44, Issue 6, June 2012, Pages 537-553
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biomed

3DMolNavi: A web-based retrieval and navigation tool for flexible molecular shape comparison

Yu-Shen Liu, Meng Wang, Jean-Claude Paul and Karthik Ramani
Published in BMC Bioinformatics 2012, 13:95
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compInner

Computing the Inner Distances of Volumetric Models for Articulated Shape Description with a Visibility Graph

Yu-Shen Liu, Karthik Ramani, Min Liu
IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI), 2011, 23(12): 2538-2544.
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ESE poster

First place in Ecological Sciences and Engineering Symposium Poster Competition

Ph.D students Willam Bernstein, Devarajan Ramanujan and Professor Karthik Ramani won 1st Place in the 2011 Ecological Sciences and Engineering Symposium (ESE) Graduate Student Poster… Continue reading...
schedule

Implementing Design Critique for Teaching Sustainable Concept Generation

William Z. Bernstein, Devarajan Ramanujan, Monica F. Cox, Fu Zhao, John W. Sutherland, and Karthik Ramani
Proceedings of the 18th International Conference on Engineering Design (ICED11), Vol. 8, pp. 55-65.
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visualRepair

Virtual Repair: Geometric Reconstruction for Remanufacturing Gas Turbine Blades

Cecil Piya, J. Michael Wilson, Sundar Murugappan, Yung Shin, and Karthik Ramani
Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Design for Manufacturing and the Life Cycle Conference IDETC/DFMLC 2011 August 29 - 31, 2011, Washington, DC, USA
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towards

Towards Enabling Visual Design Exploration Involving Multiple Abstractions of Design Descriptions

Srikanth Devanathan , Karthik Ramani
Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2011 August 28-31, 2011, Washington, DC, USA (Best Paper Award)
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heatwalk

HeatWalk: Robust Salient Segmentation of Non-rigid Shapes

William Benjamin, Andrew Wood Polk, S. V. N. Vishwanathan, and Karthik Ramani
Computer Graphics Forum Volume 30 (2011), Number 7 Pages 2097-2106
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slle

sLLE: Spherical Locally Linear Embedding with Applications to Tomography

Yi Fang, S.V.N. Vishwanathan, Mengtian Sun, and Karthik Ramani
Published in IEEE Computer Vision and Pattern Recognition (CVPR), pp 1077-1129, 2011
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tempDist

Temperature Distribution Descriptor for Robust 3D Shape Retrieval

Yi Fang, Mengtian Sun, and Karthik Ramani
4th Workshop on Non-Rigid Shape Analysis and Deformable Image Alignment (NORDIA'11). 2011 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
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apix

APIX: Analysis from Pixellated Inputs in Early Design Using a Pen-based Interface

Sundar Murugappan, Vinayak, Karthik Ramani, and Maria. C. Yang
Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2011, Washington, DC, USA
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gga

Global Geometric Affinity for Revealing High Fidelity Protein Interaction Network

Yi Fang, William Benjamin, Mengtian Sun, and Karthik Ramani
PLoS ONE 6(5): e19349.
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heatmap

Heat-Mapping: A Robust Approach Toward Perceptually Consistent Mesh Segmentation

Yi Fang, Mengtian Sun, Minhyong Kim, and Karthik Ramani
IEEE Computer Vision and Pattern Recognition (CVPR), pp 2145-2152, 2011
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Capture

Evaluating Wikis as a Communicative Medium for Collaboration Within Colocated and Distributed Engineering Design Teams

Carolynn J. Walthall , Srikanth Devanathan , Lorraine G. Kisselburgh , Karthik Ramani , E. Daniel Hirleman , and Maria C. Yang
J. Mech. Des. 133, 071001 (2011), DOI:10.1115/1.4004115
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uncertanty

Addressing Uncertainties within Product Redesign for Sustainability: A Function Based Framework

Devarajan Ramanujan, William Z Bernstein, Fu Zhao, Karthik Ramani
Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2011, August 28-31, 2011, Washington, DC, USA
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diffusion

Using Diffusion Distances for Flexible Molecular Shape Comparison

Yu-shen Liu, Qi Li, Guo-Qin Zheng, Karthik Ramani, and William Benjamin
BMC Bioinformatics 2010, 11:480
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rec

Estimating view parameters from random projections for Tomography using spherical MDS

Yi Fang, Sundar Murugappan, and Karthik Ramani
shed in BMC Medical Imaging 2010, 10:12
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isld

Integrated Sustainable Lifecycle Design: A Review

Karthik Ramani, Devarajan Ramanujan, William Z Bernstein, Fu Zhao, John Sutherland, Carol Handwerker, Jun-Ki Choi, Harrison Kim, and Deborah Thurston
Published in the Journal of Mechanical Design, Sept. 2010, Vol. 132, No. 9, pp. 1-15.
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paa

A Port-based Agent Approach to Guiding Concept Generation for Customizing Modular Varieties

Dongxing Cao, Karthik Ramani, Ming Wang Fu, and Runli Zhang
in Proceedings of the ASME 2010 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2010 August 15-18, 2010, Montreal, Quebec, Canada
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polytope

Creating Polytope Representations of Design Spaces for Visual Exploration Using Consistency Techniques

Srikanth Devanathan and Karthik Ramani
Journal of Mechanical Design, August 2010, Volume 132, Issue 8, 081011
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463

Understanding Innovation in Student Design Projects

Luis A. Elizondo, Lorraine G. Kisselburgh, E. Daniel Hirleman, Raymond Cipra, Karthik Ramani, Maria Yang, and Tamara Carleton
Proceedings of the ASME 2010 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2010 August 15-18, 2010, Montreal, Quebec, Canada
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ontology

Developing Customer Preferences for Concept Generation by Using Engineering Ontologies

Dongxing Cao , Karthik Ramani , Zhanjun Li , Victor Raskin , Ying Liu , and Zhanwei Li
Proceedings of the ASME 2010 IDETC/CIE August 15-18, 2010, Montreal, Quebec, Canada
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fim

Integration of Sustainability Into Early Design through the Function Impact Matrix

Srikanth Devanathan, Devarajan Ramanujan, William Z Bernstein, Fu Zhao, and Karthik Ramani
Journal of Mechanical Design, August 2010, Vol. 132, No. 8, pp. 1-8.
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hand

PCS: Prominent Cross-Sections for Mesh Models

Subramani Sellamani, Ramanathan Muthuganapathy, Yagnanarayanan Kalyanaraman, Sundar Murugappan, Manish Goyal, Karthik Ramani, and Christoph M. Hoffman
Computer Aided Design and Applications (CADA), Volume 7, Number 4, Pages 601-620, 2010
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