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

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

Abstract: Multitouch surfaces are becoming prevalent, but most existing technologies are only capable of detecting the user’s actual points of contact on the surface and not the identity, posture, and handedness of the user. In this paper,...

ACTIVE-Hand: Automatic Configurable Tactile Interaction in Virtual Environment

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

Abstract: We present a novel, low-power and untethered pneumatic haptic device, namely the ACTIVE-Hand, for realistic and real-time 3D gaming experience. Currently, body-motion based 3D gaming systems primarily use visual feedback to provide partly...

Enhancing Visual Thinking in a Toy Design Course Using Freehand Sketching

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.

Abstract: Engineering graduates in advancing economies are not only expected to have engineering knowledge, but also use them in creative and innovative ways. The  importance of visual thinking has been critical for creativity and innovation in...

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

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

Winner of the “All-Conference Best paper of ASME IDETC/CIE 2012” award Abstract: We present the paradigm of natural and exploratory shape modeling by introducing novel 3D interactions for creating, modifying and manipulating 3D shapes...

Kaleidogami: Multi-Primitive Reconfigurable Artistic Structures

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

Abstract: In this paper we present our initial prototypical explorations as well as the associated transformative design concept called Kaleidogami™.  This method is used for developing spatial objects that can be flattened,...

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

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.

Abstract:  In light of society's increasing awareness with regards to the health of the environment, many engineering firms are hiring recent engineering graduates with project- (or course-) based experience in environmental sustainability....

Discovering Material Recovery Scenarios for Industrial Machinery

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.

Abstract: Decision-making methodologies for evaluating a product’s end-of-life options have become a significant area of research. Extensive work has been carried out in the area of product recovery, e.g. module-based disassemblability,...

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

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.

Abstract:  Future environmental regulations are creating new employment requirements within traditional engineering organizations. These organizations require recent graduates to have a strong handle on environmental issues related to new...

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

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

Abstract: In the area of 3D shape analysis, research in mesh segmentation has always been an important topic, as it is a fundamental low-level task which can be utilized in many applications including computer-aided design, computer animation,...