Browsing Link Foundation Modeling, Simulation and Training Fellowship Reports by Title
Now showing items 24-43 of 52
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Image-Driven Simplification and Optimization of Polygonal Models
(2000)Model simplification is often used in computer graphics to reduce the complexity of large polygonal models. For many graphics applications, the goal of this process is to produce a coarser model that is visually similar ... -
Interactive Ecosystem for Surgical Training in a Realistic Mixed-Reality
(2020)In many surgical procedures, surgeons rely on their general knowledge of anatomy and relatively crude measurements, which have inevitable uncertainties in locating internal anatomical targets. One example procedure that ... -
Interactive Training of Teleoperated Robotic System for Real-time MRIGuided Steerable Needle Intervention
(2016-09-01)Needle-based interventions, also known as percutaneous interventions, are common approaches for diagnostic and therapeutic procedures including tissue biopsy, delivery of therapeutic agents and tumor ablation. Needle ... -
Investigation of Egocentric and Exocentric Distance Perception in Virtual Environments: Application to Enhance Transfer of Training in Multi-model Ves
(2005)In this report we summarize the results for three experiments completed during the Link Fellowship period. The aim of the first and second experiments were to test the efficacy of a novel assessment procedure for determining ... -
Knowledge Structures: An End to the Redundancy And the Confusion
(1997)Situation awareness (SA) is most commonly defined as "the perception of the elements in the environment within a volume of time and space, the comprehension of their meaning, and the projection of their status in the ... -
Learning Meaningful Representations of Surgical Motion Without Annotations
(2019)Superior technical skill in the operating room is associated with better patient outcomes [3,18], and at the core of surgical education is the belief that technical skill is improved through deliberate practice and appropriate ... -
Mobile in-situ visualization
(2017-09-01)In this work we present a new distributed technique to geometrically calibrate multiple projectors on a fiducial free arbitrary surface using multiple casually aligned cameras where every point of the surface is seen by ... -
Modeling Self-Organization in Human Crowds
(2020)Developing an understanding of human crowd movement is critical for optimizing crowd safety, both on the streets and in buildings. It is well understood from the study of animal collective motion that individuals are ... -
A New Object Representation For Graphics
(1999)M-reps are a multiscale approach to the modeling and rendering of 30 solid geometry. Traditional geometric models, whether b-reps or CSG, are represented at infinitesimal spatial scale and then require simplification ... -
A Nonlinear Motion Cueing Algorithm With a Human Perception Model
(2001)The objective of a motion system, when used in conjunction with a visual system, is to stimulate the pilot so that he can perceive the required motion cues necessary to fly the simulator within the same performance and ... -
Physical Modeling for Interaction in Real-Time Simulation
(1996)The goal of this project was to model objects in a simulated environment with a method which allows physically-correct behavior to be calculated in real-time. Our approach studied the interaction between differing object ... -
Physical-Virtual Patient Bed
(2017-08-28)Currently healthcare practitioners use patient simulators such as actors, mannequins, and computer based simulations for learning and training.I am exploring effects of co-locating sensory cues (i.e. visual and haptic) vs ... -
A Physics-based Modeling and Real-time Simulation of Biomechanical Diffusion Process through Optical Imaged Alveolar Tissues on Graphical Processing Units
(2009)Tissue engineering has broad applications fro1n creating the much needed engineered tissue and organ structures for regenerative medicine to providing in vitro testbeds for drug testing. In the later, application domain, ... -
Post-Rendering 3D Image Warping
(1997)A pair of rendered images and their Z-buffers contain almost all of the information necessary to re-render from nearby viewpoints. For the small changes in viewpoint that occur in a fraction of a second, this information ... -
Pre-computation Approach to Nonlinear Simulations of Deformable Objects
(2005)My research area involves building real-time interactive simulations of solid deformable objects. For example, liver tissue should defo1m realistically during a vi1tual surgery simulation. A virtual assembly simulation ... -
The Rapidly Reconfigurable Research Cockpit
(2015-09-01)The goal of the Rapidly Reconfigurable Research Cockpit (R3C) project is to create and evaluate a novel approach for aviation simulators. Our concept combines a virtual reality visual environment with the tactile feedback ... -
Real-Time Regularized Ultrasound Elastography
(2009)This paper introduces two real-time elastography techniques based on analytic minimization (AM) of regularized cost functions. The first method (1D AM) produces axial strain and integer lateral displacement, while the ... -
Redirected Free Exploration with Distractors
(2009)Users in virtual environments often find navigation n1ore difficult than in the real world, Our new locomotion interface, Redirected Free Exploration with Distractors (RFED), enables users to walk in larger-than-tracked ... -
Skin Deformation Feedback for Force Sensory Substitution in Teleoperation and Virtual Reality Training
(2017-08-28)For this work, we developed a wearable skin deformation device that is worn on the tip of the finger. The devices have two separate components, the first of which is a finger grounding interface that straps to the medial ... -
Software Tools for Solid Freeform Fabrication
(1998)A structured design methodology played a key role in the VLSI (Very Large Scale Integration) revolution. In this methodology, the design is abstracted at different levels (viz. system, function, logic, circuit, and layout) ...