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    Using flat-panel displays in a hybrid analog/digital system

    Herman, Robert P. / Seinfeld, Robert D. | SPIE | 2002
    very adequate, however new flight restrictions by the FAA and a host of additional flight aids which are digital in nature require more ...

    Ultrafast nanoscale XUV table-top coherent diffractive imaging

    Eschen, Wilhelm / Schuster, Vittoria / Wang, Sici et al. | SPIE | 2021
    In recent years coherent diffraction imaging (CDI) has evolved into a mature technology. Thanks to its lensless nature, it allowed to ...

    Tunable hybrid spectral imaging optic: experimental results

    Fritz, Bernard S. / Cox, J. Allen | SPIE | 1997
    An optical device is presented that uses the highly wavelength dispersive nature of diffractive optics to provide a means of either ...

    Tunable diffractive optical filter for multispectral imaging

    Fritz, Bernard S. / Cox, J. Allen | SPIE | 1995
    An optical device is presented that uses the highly wavelength dispersive nature of diffractive optics to provide a means of either ...

    The influence of the space cryogenic environment on space payload

    Tan, Fan-jiao / Long, Fu-nian | SPIE | 2011
    payload a majority of which faces directly to formidable space nature condition. How to insure space payload working effectively on orbit is a key ...

    Terahertz digital holography image denoising using stationary wavelet transform

    Cui, Shan-Shan / Li, Qi / Chen, Guanghao | SPIE | 2015
    affected by speckle noise, on account of the coherent nature of light scattering. Stationary wavelet transform (SWT) is an effective tool in ...

    Temporal Aspects Of Electro-Optical Imaging Systems

    Rash, Clarence E. / Verona, Robert W. | SPIE | 1987
    in nature and did not possess temporal characteristics. With the development of electro-optical imaging systems, and their use in dynamic ...

    Symmetry-based vehicle location for AHS

    Kuehnle, Andreas | SPIE | 1997
    likely presence and approximate location of a vehicle. The speed of the algorithm results from its data driven nature. Typical results for this ...

    Stochastic Image Algebra For Multisensor Fusion And Spatial Reasoning: A Neural Approach

    Chen, Su-shing | SPIE | 1989
    Due to the incomplete and partial nature of information in the computer vision, multisensor fusion and spatial reasoning problem domains ...

    Status of recent developments in collision avoidance using motion detectors based on insect vision

    Abbott, Derek / Moini, Alireza / Yakovleff, Andre et al. | SPIE | 1997
    of nature in that the insect eye is so compact with parallel processing, enabling compact motion detection without the computational overhead ...

    Spectral unmixing using nonnegative basis learning: comparison of geometrical and statistical endmember extraction algorithms

    Parente, Mario | SPIE | 2008
    nature. ...

    Spatial navigation using night vision goggles

    Gauthier, Michelle / Parush, Avi / Macuda, Todd et al. | SPIE | 2006
    Lucas, 1998), few studies have systematically characterized the nature of these effects. To address this issue, the current study examined the ...

    Simulating bird strikes using smoothed particle hydrodynamics for improved aircraft safety

    Holmes, Ian / Whisler, Daniel | SPIE | 2020
    hydrodynamics (SPH) is used to create a numerical model representing the fluid nature of the collision. By performing various impacts through various ...

    Sensor fusion: a preattentive vision approach

    Watkins, Wendell R. / CuQlock-Knopp, V. Grayson / Jordan, Jay B. et al. | SPIE | 2000
    3D in nature. This process automatically combines the color, texture, and size and shape of the objects that make up the two images that our ...

    Review of game theory applications for situation awareness

    Blasch, Erik / Shen, Dan / Pham, Khanh D. et al. | SPIE | 2015
    ; however, variations in social, cultural and behavioral factors include the dynamic nature of the context. In a dynamic data-driven application ...

    Research progress and prospects of intelligent planning algorithms in navigation collision avoidance

    Jing, Jiancheng | SPIE | 2023
    are still many problems to be solved in ship collision avoidance algorithms, among which the dynamic nature, safety, and complexity of ...

    Research on risk control of ship cargo transportation safety

    Ma, Zhi-hao / Huang, Yao-liang / Cao, Yang-chong | SPIE | 2022
    cargo transportation. In terms of cargo factors, the nature classification of goods and the influence of packaging methods on ship ...

    Relation chain based clustering analysis

    Zhang, Cheng-ning / Zhao, Ming-yang / Luo, Hai-bo | SPIE | 2011
    consider the definition deeply and seriously. This paper demonstrates the nature of clustering, gives the way of understanding clustering ...

    Real and virtual nature of image edges intersections

    Al-Shalfan, Khalid A. / Ipson, Stan S. / Haigh, John G. B. | SPIE | 2001
    merits further investigation. This paper presents a computational technique to identify the real or virtual nature of the edge intersections. The ...

    Railway vehicle vibration energy harvesting using nonlinear resonators

    Eghbali, Pejman / Farhangdoust, Saman / Younesian, Davood | SPIE | 2020
    nature of random excitation exerted by the rail irregularities. ...

    Prevention of runway incursions due to closed runways or unsuitable runway choices by enhanced crew situational awareness and alerting

    Vernaleken, Christoph / Urvoy, Carole / Klingauf, Uwe | SPIE | 2007
    , particularly those of temporary nature, the key issue for both extended situational awareness and alerting is how to get the corresponding data to the ...

    Preparation Of High Purity ZnCl2For 10.6 µm Optical Fibers

    Robinson, M. / Pastor, R. C. / Harrington, J. A. | SPIE | 1982
    10 μm, but the hygroscopic nature of ZnC12 makes a practical fiber from this material a difficult challenge. ...

    Photolithography of Bragg gratings in sol-gel-derived fibers

    Mendoza, Edgar A. / Ferrell, Douglas J. / Lieberman, Robert A. | SPIE | 1994
    . The uncomplicated nature of this process makes this a very promising approach for the fabrication of commercial fiber optic refractive index ...

    Performance of the high-altitude balloon experiment Roto-lok drive gimbal systems

    Schulthess, Marcus R. / Ardaman, Andrew A. / Baugh, Steven et al. | SPIE | 1994
    provide unlimited travel. This secondary drive is used to counteract the gross angles resulting from the freely rotating nature of the untethered ...

    Orbital simulations of laser-propelled spacecraft

    Zhang, Qicheng / Lubin, Philip M. / Hughes, Gary B. et al. | SPIE | 2015
    that does not scale well to high Delta v due to the massive nature of the fuel. Directed energy photon propulsion solves this problem by ...

    Optical characterization of the Sandia fog facility

    Wright, Jeremy B. / van der Laan, John D. / Sanchez, Andres et al. | SPIE | 2017
    fog in nature and how our generated fog compares. In addition, we will discuss fog distributions and characterization techniques. We will ...

    Nature, smart structures, and morphing UAVs

    Free access
    Inman, Daniel J. / Haughn, Kevin P. T. / Harvey, Christina | SPIE | 2023
    Nature through careful observation and tests of gliding avian species have resulted in new thoughts on how to design morphing uninhabited ...

    Nature of distracted driving in various physiological conditions

    Chu, Yihang / Chowdhury, Hasanur Rahman / Mitul, Abu et al. | SPIE | 2019

    Multisensor fusion and enhancement using the Retinex image enhancement algorithm

    Rahman, Zia-ur / Jobson, Daniel J. / Woodell, Glenn A. et al. | SPIE | 2002
    other data streams as well, resulting in greater overall information. The fusion uses the multiscale nature of the algorithm to both enhance and ...

    Market segmentation of public transportation service based on cluster analysis

    Wang, Yang / Zhao, Xinwei | SPIE | 2022
    different streets/towns in spatial location, travel distance, travel purpose, travel time, income age, and path nature. The K-means algorithm ...

    Loss and recovery: some thoughts on the nature of my holographic art

    Randazzo, Dean J. | SPIE | 1994

    Lighting and imaging for automated blister package inspection

    McClellan, James R. | SPIE | 1995
    illumination, optics, and camera technology to optimize image quality for inspection of blister-packaged tablets and capsules. The nature of image ...

    Learned trafficability models

    Digney, Bruce L. | SPIE | 2001
    difficulty of offline specification and changing nature of terrain characteristics requires that solutions be capable of learning without prior ...

    Latency: requirements and implementation of a helmet-mounted cueing system (HMCS) in a fast jet

    Kranz, Yaron S. | SPIE | 1999
    different avionics configurations as well as in diversified flight conditions. This paper discusses the nature of latency effects in aircraft level ...

    Laser diodes with gain-coupled distributed optical feedback

    Nakano, Yoshiaki / Luo, Yi / Tada, Kunio | SPIE | 1991
    . Intrinsic single mode nature and reflection immunity are great advantages of the gain-coupled (GC) DFB laser. Moreover, its carrier- density ...

    Investigation of single-photon propagation velocity in optical fiber

    Ingham, J. D. / Carroll, J. E. / White, I. H. | SPIE | 2006
    Understanding the nature of single-photon propagation and any differences to the classical multi-photon regime is essential to better use ...

    Intersection auxiliary signal system

    Zhang, Jian | SPIE | 1995
    traffic situation and/or their aggressive behavior. To reduce intersection accidents of this nature, this paper proposes the Intersection ...

    Interaction mechanisms in acousto-photonic imaging

    Stott, Johnathan J. / Townsend, Daniel J. / Kashambala, Manda et al. | SPIE | 2000
    generated acoustic `virtual' sources to improve the resulting images. We lack, however, a detailed understanding of the nature of the interaction ...

    Innovative volume-sharing multi-aperture payload for high resolution small satellites

    Lee, Jun Ho / Han, Seok Gi / Kim, Do Hee et al. | SPIE | 2022
    The nature of optical diffraction limits the spatial resolution of a space-borne optical sensor to the diffraction limit. Using the ...

    Infrared laser transillumination CT imaging system using parallel fiber arrays and optical switches for finger joint imaging

    Sasaki, Yoshiaki / Emori, Ryota / Inage, Hiroki et al. | SPIE | 2004
    scattering nature. That property enables us to reconstruct tomographic images using the same reconstruction technique as that of X-Ray CT, i.e., the ...

    Image distortions in stereoscopic video systems

    Woods, Andrew J. / Docherty, Tom / Koch, Rolf | SPIE | 1993
    distortions, however, which cannot be avoided due to the nature of human vision and limitations of current stereoscopic video display techniques. ...

    Identifying maritime vessels at multiple levels of descriptions using deep features

    Heyse, David Bo / Warren, Nicholas / Tešić, Jelena | SPIE | 2019
    Varying resolution quality of operational data, size of targets, view occlusions, and large variation in sensors due to nature of overhead ...

    Holopoetry: the new frontier of language--an interview with Eduardo Kac

    Whitman, I. V. | SPIE | 1995
    the visual arts, visual perception, digital imaging, holography, and the complex nature of language. ...

    Holographic recording materials: an overview

    Lessard, Roger A. / Manivannan, Gurusamy | SPIE | 1995
    given under four major classifications based on the holographic recording mechanism and nature as: photopolymerizable systems ...

    Helicopter synthetic vision based DVE processing for all phases of flight

    O'Brien, Patrick / Baughman, David C. / Wallace, H. Bruce | SPIE | 2013
    Helicopters experience nearly 10 times the accident rate of fixed wing platforms, due largely to the nature of their mission, frequently ...

    Granular processes on Itokawa, a small near-Earth asteroid: implications for resource utilization

    Miyamoto, Hideaki / Kargel, Jeffrey S. / Fink, Wolfgang et al. | SPIE | 2008
    opportunity to discuss the nature of surface materials on a small asteroid. Hayabusa reveals that the asteroid is covered by fine- and coarse-grained ...

    Gain-coupled DFB semiconductor lasers

    Tada, Kunio / Nakano, Yoshiaki / Luo, Yi | SPIE | 1993
    mode nature, reflection insensitivity, and low-chirping short optical pulse generation capability. In this talk various kinds of the gain ...

    Formal tests for LLM approaches using refined cockpit display technology

    Davis, Randall C. / Wilt, Dennis W. / Henion, James et al. | SPIE | 2005
    ) approach to runway 20 at Wakefield Municipal Airport, VA, (AKQ) was used. The hypothesis was that the intuitive nature of the PFD instrumentation ...

    Fiber optic sensor applications in transportation infrastructure protection

    Krohn, David / Nicholls, Paul | SPIE | 2009
    tunnels are challenging due to specific features of their infrastructure, nature of traffic using them and insufficient safety rules on vehicles ...

    Fiber Optic Aircraft Systems Electromagnetic Pulse (Emp) Survivability

    Gage, Byron / Greenwell, Roger / Summerlin, Michael et al. | SPIE | 1984
    intentional or inherent inadvertent conductors and thereby greatly simplifies EMP hardening. The inherent dielectric nature of fiber optics makes it ...

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