In this paper, we present ViSER, an interactive visual analytics platform that visualizes supply chain data for enabling eco-conscious redesign. ViSER provides a visualization dashboard consisting of multiple mutually coordinated views that provide...
Laser direct deposition provides an attractive and cost effective means for repairing or remanufacturing high value engineering components. This study demonstrates the successful repair of defective voids in turbine airfoils based on a new...
Origami affords the creation of diverse 3D objects through explicit folding processes from 2D sheets of material. Originally as a paper craft from 17th century AD, origami designs reveal the rudimentary characteristics of sheet folding: it is...
We introduce ChiroBot, a cyber-physical construction kit that allows users to create custom robots out of craft material, easily assemble the robots using joint modules and control them using hand gestures. These hand-crafted robots are assembled...
For students to succeed in engineering design (and engineering practice) they must be able to make design decisions that are grounded in data and analysis. The potential danger, however, in introducing analysis and calculations too early in the...
We present PuppetX, a framework for both constructing playthings and playing with them using spatial body and hand gestures. This framework allows users to construct various playthings similar to puppets with modular components representing basic...
Direct-touch tablets are quickly replacing traditional pen-and-paper tools in many applications, but not in case of the designer's sketchbook. In this paper, we explore the tradeoffs inherent in replacing such paper sketchbooks with digital tablets...
We present zPots, an application for gesture-free hand-based design of virtual pottery enabled by the Leap Motion device. With zPots, a user can shape and color 3D pots by moving bare hands in the air with minimal or no training. Unlike large-space...
In this paper we introduce Chiron (abbr. Chironomia ): A wearable device for the hand that reads the digital and analogous signals from capacitive sensor patterns and orientation sensors, to interpret user-intent. Here, we explore two cases -- (a)...
Juxtapoze is a clipart composition workflow that supports creative expression and serendipitous discoveries in the shape domain. We achieve creative expression by supporting a workflow of searching, editing, and composing: the user queries the...
We present skWiki, a web application framework for collaborative creativity in digital multimedia projects, including text, hand-drawn sketches, and photographs. skWiki overcomes common drawbacks of existing wiki software by providing a rich...
In design classes, functional analysis is a process that is typically used to assist students with identifying essential functions to aid in the development of their concepts. However, it has been observed that students sometimes struggle...
Abstract: The recent proliferation of electronic products has led to a strong unmet need for understanding environmental implications of new technologies. According to Nielsen, 66% of Americans ages 24-35 own a smartphone, providing...
shapeSift is a framework for supporting sustainability based decision making during selection of similar previous designs from part repositories. Our framework is designed for 3D part repositories that contain metadata pertaining to materials and...
Automated content analysis software tools have significantly aided in the study of design processes in the recent past. However, they suffer from the lack of domain knowledge and insight that a human expert can provide. In this paper, we adopt the...
ABSTRACT We introduce novel multiscale kernels using the random walk framework and derive corresponding embeddings and pairwise distances. The fractional moments of the rate of continuous time random walk (equivalently diffusion rate) are used to...
Abstract: We present a novel interaction system, “Shape-It-Upâ€Â, for creative expression of 3D shapes through the naturalistic integration of human hand gestures with a modeling scheme dubbed intelligent generalized cylinders (IGC). To...
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,...
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...
Abstract: Product design is a highly involved, often ill-defined, complex and iterative process, and the needs and specifications of the required artifact get more refined only as the design process moves toward its goal. An eff ective computer...
Abstract: The interdisciplinary nature of engineering design and the pervasiveness of electronics in most products has made it necessary for practitioners of “design thinking†to understand electronics and embedded systems, in order to...
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...
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...
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,...
Abstract: Â 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....
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,...
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...
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,...
Abstract: Design is a complex process which requires several tools, knowledge and procedures in order to be successful. Although technology provide designers with new and improved tools, those tools should be placed in the right stage during the...
Abstract: The process of re-creating CAD models from actual physical parts, formally known as digital shape reconstruction (DSR) is an integral part of product development, especially in re-design. While, the majority of current methods used in DSR...
Introduction: This work package focuses on product life cycle and production system lifecycle. This work package describes these life cycles and then to consider the integration of product and production system life cycles. These aim at...
Abstract (provisional): Background Many molecules of interest are flexible and undergo significant shape deformation as part of their function, but most existing methods of molecular shape comparison treat them as rigid shapes, which may lead to...
Abstract: A new visibility graph based algorithm is presented for computing the inner distances of a 3D shape represented by a volumetric model. The inner distance is defined as the length of the shortest path between landmark points within the...
Abstract:  Product design is one of the most important activities that can influence sustainability. Therefore, it is critical to educate students about these methodologies as they are the next generation of engineers. This paper details a study...
Abstract: The usage of Direct Metal Deposition (DMD) technology for repairing defective voids in high-value metallic components is time consuming, since traditional geometric reconstruction methods are not seamlessly connected to the DMD process....
Abstract: Designers use several visual tools for exploring and understanding design problems and solutions. House of Quality (HoQ), function-structure, Morphological matrices, concept selection tables, 2D drawings are some of the visual tools and...
Authors: William Benjamin , Andrew Wood Polk , S. V. N. Vishwanathan , and Karthik Ramani Published in: Computer Graphics Forum Vol: 30 (7). 2011, Pages 2097-2106 Abstract: Segmenting three dimensional objects using properties of heat diffusion on...
Abstract: The tomographic reconstruction of a planar object from its projections taken at random unknown view angles is a problem that occurs often in medical imaging. Therefore, there is a need to robustly estimate the view angles given random...
Abstract: Recent developments in acquisition techniques are resulting in a very rapid growth of the number of available three dimensional (3D) models across areas as diverse as engineering, medicine and biology. It is therefore of great interest to...
Abstract: Product development is seeing a paradigm shift in the form of a simulation-driven approach. Recently, companies and designers have started to realize that simulation has the biggest impact when used as a concept verification tool in early...
Abstract: Protein-protein interaction (PPI) network analysis presents an essential role in understanding the functional relationship among proteins in a living biological system. Despite the success of current approaches for understanding the PPI...
Abstract: 3D mesh segmentation is a fundamental low-level task with applications in areas as diverse as computer vision, computer-aided design, bio-informatics, and 3D medical imaging. A perceptually consistent mesh segmentation (PCMS), as defined...
Abstract: Wikis, freely editable collections of web pages, exhibit potential for a flexible documentation and communication tool for collaborative design tasks as well as support for team design thinking early in the design process. The purpose of...
Abstract: Background Many molecules are flexible and undergo significant shape deformation as part of their function, and yet most existing molecular shape comparison (MSC) methods treat them as rigid bodies, which may lead to incorrect shape...
Abstract: During the past decade, the computed tomography has been successfully applied to various fields especially in medicine. The estimation of view angles for projections is necessary in some special applications of tomography, for example,...
Abstract:  Product design is one of the most important sectors influencing global sustainability, as almost all the products consumed by people are outputs of the product development process. In particular, early design decisions can have a very...
Abstract: As the description of design requirements at the earlier design stage is inaccurate and vague, it is difficult to figure out functional structure of a product and make sense product configuration. Therefore, it plays an important role to...
Abstract: Understanding the limits of a design is an important aspect of the design process. When mathematical models are constructed to describe a design concept, the limits are typically expressed as constraints involving the variables of that...
Abstract: Over the past few years, academic institutions have become aware of the importance of innovation in education, as well as its broader role in strengthening the economy. Creativity and innovative thinking are not easily taught in the...