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Creator | Title | Description | Subject | Date |
| 126 |
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Zhou, Xuesong | Dynamic origin-destination demand estimation using automatic vehicle identification data | Abstract-This paper proposes a dynamic origin-destination (OD) estimation method to extract valuable point-to-point splitfraction information from automatic vehicle identification (AVI) counts without estimating market-penetration rates and identification rates of AVI tags. A nonlinear ordinary leas... | | 2006 |
| 127 |
 |
Hansen, Charles D. | Illustrative interactive stipple rendering | Abstract-Simulating hand-drawn illustration can succinctly express information in a manner that is communicative and informative. We present a framework for an interactive direct stipple rendering of volume and surface-based objects. By combining the principles of artistic and scientific illustratio... | | 2003-04 |
| 128 |
 |
Creem-Regehr, Sarah Hope; Willemsen, Peter; Gooch, Amy A.; Thompson, William B. | The influence of restricted viewing conditions on egocentric distance perception: implications for real and virtual environments | Three experiments examined the influence of field of view and binocular viewing restrictions on absolute distance perception in the real world. Previous work has found that visually directed walking tasks reveal accurate distance estimations in full-cue, real world environments to distances of ab... | Distance perception; Egocentric | 2003-08-29 |
| 129 |
 |
Parker, Steven G.; Hansen, Charles D.; Shirley, Peter S. | Interactive ray tracing for volume visualization | We present a brute-force ray tracing system for interactive volume visualization, The system runs on a conventional (distributed) shared-memory multiprocessor machine. For each pixel we trace a ray through a volume to compute the color for that pixel. Although this method has high intrinsic computa... | Ray tracing; Volume visualization; Isosurfaces; Maximum-intensity projection; Traversal optimizations | 1999 |
| 130 |
 |
Zhu, Xiaohong | Automatic compensating cleanup operation | Today's part geometries are becoming ever more complex and require more accurate tool path to manufacture. Machining process efficiency is also a major consideration for designers as well as manufacturing engineers. Although the current advanced CAD/CAM systems have greatly improved the efficiency ... | Part geometries | 1989 |
| 131 |
 |
Furse, Cynthia M. | Broadband and multiband antenna design using the genetic algorithm to create amorphous shapes using ellipses | A method is demonstrated for generating compact, broadband and multiband antennas using ellipses to create new amorphous shapes with greater bandwidth and less return loss that previously demonstrated. Four designs are presented including a tri-band patch antenna optimized for low reflection loss a... | Broadband antenna design; Multiband antenna design; Ellipses | 2006-10 |
| 132 |
 |
Harman, Todd B. | Multiscale modeling of accidental explosions and detonations | Accidental explosions are exceptionally dangerous and costly, both in lives and money. Regarding worldwide conflict with small arms and light weapons, the Small Arms Survey has recorded more than 297 accidental explosions in munitions depots across the world that have resulted in thousands of deaths... | | 2013-01-01 |
| 133 |
 |
Hu, Helen H.; Creem, Sarah H.; Gooch, Amy A.; Thompson, William B. | Visual cues for perceiving distances from objects to surfaces (Abstract) | An accurate perception of the distance between an object and a nearby surface can increase a viewer?s sense of presence in an immersive environment, particularly when a user is performing actions that affect or are affected by this distance. Two experiments were conducted examining the effectiven... | Distance perception; immersive environment | 2002-02-03 |
| 134 |
 |
Thomas, Tran T. D. | Evaluation of renewable energy technologies and their potential for technical integration and cost-effective use within the U.S. energy sector | Energy demands, environmental impacts of energy conversion, and the depletion of fossil; fuels are constant topics of discussion in the energy industry. Renewable energy technologies; have been proposed for many years to address these concerns. However, the transformation; from traditional methods o... | Renewable energy; Power generation; Electrical grid; Emerging energy systems; System integration | 2017-07 |
| 135 |
 |
Furse, Cynthia M. | Noncontact probes for wire fault location with reflectometry | This paper describes an approach to locate wire faults using reflectometry without physical contact with the wire conductor. This noncontact method is capable of locating faults on both dead and live powered wires with today's reflectometry technologies, and it does not require any modification or ... | Wire fault location; Noncontact probes; Reflectometry; Capacitive coupling; Inductive coupling; Aging aircraft wire | 2006 |
| 136 |
 |
Parker, Steven G.; Johnson, Christopher R. | Interactive manipulation of contour data using the layers program | The "layers" program is useful for visualizing and editing large sets of contour data. These datasets arise frequently when trying to extract geometry from MRI slices. Due to the imprecise nature of the MR imaging and segmentation processes, the contours extracted may not accurately reflect the huma... | Contour data; Layers program; MRI slices | 1994 |
| 137 |
 |
Normann, Richard A. | Effects of GABA and related drugs on horizontal cells in the isolated turtle retina | The role of GABA in the outer plexiform layer of the turtle retina has been examined by intracellular recordings from L- and C-type horizontal cells in the isolated retina preparation. GABA (1-5 mM) slightly depolarized the L-type horizontal cells, reduced the amplitude of their photoresponses, and ... | Retina; Horizontal Cells; Synapse; Negative Feedback; GABA; Turtle | 1990 |
| 138 |
 |
Kasera, Sneha K.; Patwari, Neal | High-rate uncorrelated bit extraction for shared secret key generation from channel measurements | Secret keys can be generated and shared between two wireless nodes by measuring and encoding radio channel characteristics without ever revealing the secret key to an eavesdropper at a third location. This paper addresses bit extraction, i.e., the extraction of secret key bits from noisy radio chan... | Wireless networks; Multipath fading; Physical layer; Key generation; Secret keys; Bit extraction | 2010-01 |
| 139 |
 |
Tasdizen, Tolga; Whitaker, Ross T.; Marc, Robert E.; Jones, Bryan W. | Enhancement of cell boundaries in transmission electon microscopy images | Transmission electron microscopy (TEM) is an important modality for the analysis of cellular structures in neurobiology. The computational analysis of neurons entail their segmentation and reconstruction from TEM images. This problem is complicated by the heavily textured nature of cellular TEM ima... | | 2005 |
| 140 |
 |
Sloan, Peter-Pike | A painterly approach to human skin | Rendering convincing human figures is one of the unsolved goals of computer graphics. Previous work has concentrated on modeling physics of human skin. We have taken a different approach. We are exploring techniques used by artists, specifically artists who paint air-brushed portraits. Our goal is t... | Human skin | 1999 |
| 141 |
 |
Regehr, John | Issues in using commodity operating systems for time-dependent tasks: experiences from a study of windows NT | This paper presents a snapshot of early results from a study of Windows NT aimed at understanding and improving its limitations when used for time-dependent tasks, such as those that arise for audio and video processing. Clearly there are time scales for which it can achieve effectively perfect reli... | | 1998-01-01 |
| 142 |
 |
Mcpherson, Brian James | Simulation of sedimentary rock deformation: lab-scale model calibration and parameterization | Understanding the mechanical behavior of rock is critical for researchers and decision-makers in fields from petroleum recovery to hazardous waste disposal. Traditional continuum-based numerical models are hampered by inadequate constitutive relationships governing fracture initiation and growth. To... | | 2002 |
| 143 |
 |
Harrison, Reid R. | Wireless neural recording with single low-power integrated circuit | We present benchtop and in vivo experimental results from an integrated circuit designed for wireless implantable neural recording applications. The chip, which was fabricated in a commercially available 0.6- m 2P3M BiCMOS process, contains 100 amplifiers, a 10-bit analog-to-digital converter (ADC... | | 2009-08 |
| 144 |
 |
Ecsedy, Kathryn Lyn; Harvey, Ian R. | The artistic applications of M.E.M.S.: gallery on a chip | Our research explored the crossroads between art and science to create tiny devices known as MEMS (Micro Electrical Mechanical Systems). These artistic devices are powered by micro charge-pumped actuation of electrons in a scanning electron microscope, utilizing a phenomenon once considered an irri... | Artistic applications; MEMS; Micro Electrical Mechanical Systems; Kinetic micro sculpture; Micro charge pump actuation; Trapeze Interactive Poster | 2010-03-15 |
| 145 |
 |
Freire, Juliana; Silva, Claudio T. | End-to-end eScience: integrating workflow, query, visualization, and provenance at an ocean observatory | Data analysis tasks at an Ocean Observatory require integrative and and domain-specialized use of database, workflow, visualization systems. We describe a platform to support these tasks developed as part of the cyberinfrastructure at the NSF Science and Technology Center for Coastal Margin Obser... | Coastal margins; Ocean observatories; Workflow systems; VisTrails | 2008-12 |
| 146 |
 |
Hansen, Charles D.; Hollerbach, John M. | Improved calibration Framework for electromagnetic tracking devices | Electromagnetic trackers have many favorable characteristics but are notorious for their sensitivity to magnetic field distortions resulting from metal and electronic equipment in the environment. We categorize existing tracker calibration methods and present an improved technique for reducing stati... | Electromagnetic tracking; Tracking devices | 2001 |
| 147 |
 |
Furse, Cynthia M. | Women in engineering: statistical analysis of ACT data and proposed procedure to reverse trend | Women have historically been underrepresented both in college majors and professional careers in STEM fields. This disparity can be observed in many countries, though it is most evident in the US. In this paper we analyze historical ACT data over a 30-year span and correlate gender differences ... | | 2011 |
| 148 |
 |
Furse, Cynthia M. | Feasibility of spread spectrum sensors for location of arcs on live wires | Spread spectrum methods are an important emerging class of sensors that have the potential to locate small, intermittent faults on energized aircraft power circuit wires. Previous work has demonstrated the use of these methods for hard faults (open and short circuits). This paper extends that work ... | Spread spectrum sensors; Wire fault location; Live wires | 2005-12 |
| 149 |
 |
Regehr, John | Poster abstract: TinyOS 2.1 adding threads and memory protection to tinyOS | The release of TinyOS 2.0 two years ago was motivated by the need for greater platform flexibility, improved robustness and reliability, and a move towards service oriented application development. Since this time, we have seen the community embrace these efforts and add support for additional hardw... | | 2008-01-01 |
| 150 |
 |
Hansen, Charles D. | Reconstruction and visualization of planetary nebulae | Abstract-From our terrestrially confined viewpoint, the actual three-dimensional shape of distant astronomical objects is, in general, very challenging to determine. For one class of astronomical objects, however, spatial structure can be recovered from conventional 2D images alone. So-called planet... | | 2005-09 |
