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Search Results - nader engheta

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Polarization-based shadow analysis
Capturing hidden details with polarized lightInventorNader Engheta ProblemMost cameras only capture information on the intensity and color of light. Polarization is another characteristic of light that can provide useful information, but conventional cameras do not provide polarization data. Shadows pose a difficult problem for machine vision and ...
Published: 11/27/2018   |   Inventor(s): Nader Engheta
Keywords(s):  
Category(s): Imaging
Polarization imaging
Polarization imaging sensor for enhanced scene analysisInventorNader Engheta & Jan Van der Spiegel ProblemAlong with intensity and color, polarization is a property of light that can provide useful information for scene analysis. However, the human eye and most cameras cannot detect polarization. Gathering polarization data could aid machine vi...
Published: 11/27/2018   |   Inventor(s): Nader Engheta, Jan Van Der Spiegel
Keywords(s):  
Category(s): Hardware, Circuits, & Sensors, Imaging
Nanocircuits at Optical Frequencies
Nanoinductors, Nanocapacitors, and NanoresistorsInventorNader Engheta ProblemConventional electric circuit elements operate in the radio frequency (RF) domain. However, shrinking circuits down to smaller sizes presents some difficulties as the metallic elements do not behave the same way at the nanoscale. If circuit elements could be created that o...
Published: 11/27/2018   |   Inventor(s): Nader Engheta
Keywords(s):  
Category(s): Hardware, Circuits, & Sensors, Materials
Non-contact Fingerprint Scanner
Latent fingerprint detection using non-destructive imagingInventorNader Engheta ProblemLatent fingerprints, the marks left by contact with a surface, have been used by forensic science since the 19th century. Often the fingerprints left on objects of interest are hard to detect with the unaided eye, and they may be only partial prints or of low ...
Published: 11/27/2018   |   Inventor(s): Nader Engheta
Keywords(s):  
Category(s): Imaging
Graphene Metamaterials
Brief DescriptionAdvanced optical materials made possible using grapheneInventorNader EnghetaProblemPlasmonic nanostructures are used to create metamaterials with unusual optical properties. Most metamaterials to date have been constructed using noble metals, however these metals have inherent losses that degrade the metamaterial's optical properti...
Published: 5/6/2016   |   Inventor(s): Nader Engheta
Keywords(s):  
Category(s): Materials