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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

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Showing 1 to 20 of 42 for “"Structured light"”.

  1. Designing subwavelength-structured light sources

    Chua, Song LiangMassachusetts Institute of Technology2013

    … and phenomena involved in the interaction of light with a variety of material systems, which will in turn guide the designs of compact lasers with feedback structures having features at the subwavelength-scale. The thesis begins by describing the interaction of light with an arbitrary complex …

    mit Repository record

  2. Long wave infrared structured light

    Erdozain, Jack,Jr.Massachusetts Institute of Technology2019

    … due to fog, dust, or smoke is present. While light in the visible and near IR spectrum are heavily affected by by common scattering mediums, long-wave infrared (also known as thermal IR) experiences less scattering, especially when scattering particles are small. This thesis proposes and …

    mit Repository record

  3. LOW-COST STRUCTURED-LIGHT 3D CAPTURE SYSTEM DESIGN

    Dong, Jing

    … a low-cost 3D capture system based on the structured-light method. The system is built around the HP TopShot LaserJet Pro M275. For our capture device, we use the 8.0 Mpixel camera that is part of the M275. We augment this hardware with two 3M MPro 150 VGA (640×480) pocket projectors. We …

    purdue-thes Repository record

  4. A structured light solution for detecting scapular dyskinesis

    Verster, JacoDepartment of Human Biology2018

    … to scapular dyskinesis. The tool employs a 3D structured light computer vision approach to create a surface map of the soft-tissue across the scapula. This surface map is then analysed using surface curvature analysis techniques to identify the key clinical parameters associated with scapular …

    cape-town Repository record

  5. Obstacle detection for robot navigation using structured light

    Tran, Deborah L. (Deborah Lynn Hong), 1978-Massachusetts Institute of Technology2001

    … work in this thesis attempts to design a small, lightweight, low-cost, and low-power system to detect obstacles in the direct field of view of a small robotic vehicle. In particular, the range to the obstacle as well as shape estimation is key data that would aid in robot navigation as well as …

    mit Repository record

  6. Bridging the Geometric and Quantum Information of Structured Light

    Voitiv, Andrew Alexander

    … the geometric and quantum information of structured light. The geometric phase acts as a memory of transformations undertaken by physical processes; quantum entanglement underpins quantum information science which explores the theoretical and technological applications of nonclassical …

    denver Repository record

  7. Measuring Area and Volume of Leg Ulcers by Structured Light

    Plassmann, Peter1992

    … carried out using a new version of colour coded structured light method to obtain three dimensional surface data. A set of parallel stripes of light is projected onto the ulcerated skin and observed by a camera. The stripes are displaced by an amount which is related to the shape of the skin. It …

    southwales Repository record

  8. A markerless augmented reality system using one-shot structured light

    Huang, Bingyao2017

    … and proposes an AR system using one-shot structured light (SL). The markerless AR system is validated in terms of its real time performance and ease of use in unknown scenes.</p>

    rowan Repository record

  9. Toward a compact underwater structured light 3-D imaging system

    Dawson, Geoffrey EMassachusetts Institute of Technology2013

    … 3-D imaging system based on the principles of structured light was created for classroom demonstration and laboratory research purposes. The 3-D scanner design was based on research by the Hackengineer team at Rice University. The system is comprised of a low-power, open-source hardware …

    mit Repository record

  10. Orbital angular momentum and fully structured light in nonlinear media and cavities

    Gibson, C. J., (Christopher John)University of Strathclyde2019

    … the interaction between high intensity laser light and nonlinear matter. By changing the structure of light's properties such as intensity and polarisation as well as the type of nonlinear action that occurs during propagation through the medium, we aim to describe how the properties of light …

    strathclyde Repository record

  11. VALIDATION OF LOW-COST MOBILE PHONE APPLICATIONS FOR THREE-DIMENSIONAL FACIAL IMAGING: A COMPARISON WITH PROFESSIONAL THREE-DIMENSIONAL IMAGING SYSTEMS

    RICHMOND LOY CHANG HOE2022

    … mobile phone applications using infrared structured-light cameras (TrueDepth cameras) on the iPhone as compared to professional 3D facial imaging systems

    nus Repository record

  12. The I/O bulb and the luminous room

    Underkoffler, John StephenMassachusetts Institute of Technology1999

    … called the I/O Bulb, an evolution of the common lightbulb capable of emitting structured light and performing simultaneous optical capture. This basic notion is extended to suggest an architecture called the Luminous Room, in which every portion of an enclosed space is treated by one or another …

    mit Repository record

  13. Multiphysics Modeling Of Devices For Whole Organ Healthcare Applications

    Tong, YuxinVirginia Tech2017

    … we applied template engineering and structured-light scanning techniques to capture the 3D topographical information for whole organ systems. Sequentially, we developed multiphysics models for understanding the device functionality, including the function of devices for microfluidic …

    vt Repository record

  14. High throughput 3D optical microscopy : from image cytometry to endomicroscopy

    Choi, HeejinMassachusetts Institute of Technology2014

    … resolved widefield image cytometer based on the structured light illumination and the high speed remote depth scanning. This system improves imaging throughput by an order of magnitude over the current technology and can potentially be applied to image cytometry investigation to study cultured …

    mit Repository record

  15. Novel Systems Physiology Instrumentation: Addressing Limitations in Heart Failure Reseearch

    Laughner, Jacob I.

    … I show the development and application of a structured light imaging system for description of whole-heart mechanical mapping in the beating heart. The high temporal (&g;667 FPS) and spatial resolution (87 &mu;m in-plane, 10 &mu;m depth) of this structured light imaging system enables dynamic …

    wustl Repository record

  16. Optical Analysis and Opto-Mechanical Design for Miniaturized Laser Illumination Module in 3D Areal Mapper

    Luo, MingVirginia Tech2000

    A miniaturized spatial light modulator (SLM)-based structured-light illumination module with optical fiber input is designed to generate a coded 256 x 256 spots pattern for 3-D areal mapping applications. The projector uses the light from a He-Ne laser coupled to a polarization-maintaining (PM) …

    vt Repository record

  17. Controlling light-matter interaction with resonant semiconductor nanostructure

    Masoudian Saadabad, RezaUNSW, Sydney2022

    … electronic properties to obtain full control of light-matter interaction at the nanoscale. The outcomes may open the way for tunable, ultra-thin, cost-effective, and energy-saving optoelectronic devices. This research first studies the optical modes of dielectric nanostructures, including …

    unsw Repository record

  18. A 3-Dimensional Approach to Projectile Point Classification

    Dennis, Kayden2024

    … site in Ozark region in Northwest Arkansas. A structured-light 3D scanner was used to create complete 3D models of the artifacts that includes several projectile point types. This was done to improve the accuracy and replicability of measurements. Several different quantitative attributes were …

    arkansas Repository record

  19. Captured open book image de-warping and shading correction using 3D depth information

    Wu, Chyuan-Tyng

    … capture devices that can use a projector to cast structured light patterns to provide depth information. In order to improve the visual quality of captured documents, we established our algorithm from two perspectives. First, we deal with the shading situation in the captured image as a result of …

    purdue-thes Repository record

  20. Investigating Moisture Gradient-Induced Warpage of Veneers

    Strong, Kerrigan AnnVirginia Tech2021

    … measure warpage of veneers. A procedure using a structured-light scanner is developed to analyze the surface curvatures to observe the effect of moisture-induced warpage. After moisture-induction treatment of the veneer, surface deformation data is measured using the scanner and the data is …

    vt Repository record

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