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Photocurrent Bias for Event-Based Sensor (EBS)
The Photocurrent Bias for Event-Based Sensor (EBS) is a method designed to enhance the performance and effectiveness of event-based sensors, particularly in challenging environments. This innovative technology leverages the application of a spatially homogeneous light field onto the sensor's imaging path to significantly reduce low-level illumination...
Published: 4/30/2024
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Inventor(s): Sebastian Valencia, Amit Ashok, Joseph Cox
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Engineering & Physical Sciences > Photonics
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Multiple Exposure to Increase Image Resolution and Dynamic Range using Zoom Lens and Different Aperture
This innovation is a method to increase image resolution by combining multiple exposures and different aperture settings to create a high dynamic range image. Images can be taken at different or same exposure times and the exact aperture setting can be determined by the user or by an initial estimate of the dynamic range of the scene. A high-resolution...
Published: 8/26/2024
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Inventor(s): Stanley Pau, Amit Ashok
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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Symmetric Logarithmic Derivative Eigen-projection Adaptive Algorithm for Super-Resolution Imaging
This technology describes an eigen-projection adaptive algorithm that can be used for super-resolution imaging in a variety of contexts, including life-sciences microscopy or astronomy.
Background:
Traditional advanced microscopy or telescopy uses several different measuring methods to estimate brightness, deduce position, and discriminate between...
Published: 6/27/2024
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Inventor(s): Kwan Kit Lee, Michael Grace, Amit Ashok, Saikat Guha
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics
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High-Accuracy Receiver for Optical Object Discrimination
This invention describes a device that functions as a highly accurate and complex receiver for optical object discrimination. This technology has applications and improvements in a large range of object-discrimination-based technologies, such as QR or barcode readers.
Background:
Object discrimination technologies are widely used and have wide-ranging...
Published: 7/26/2024
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Inventor(s): Michael Grace, Saikat Guha, Mark Neifeld, Amit Ashok
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics
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Multiplexed Computed Tomography X-ray Imaging
This invention presents novel multiplexed measurement designs that improve X-ray CT imaging system’s performance. An imaging fidelity metric is employed to optimize multiplex measurement design. This considers the next generation Rectangular-Fixed-Gantry (RFG) CT system architecture containing several X-ray sources and detector arrays deployed...
Published: 4/3/2023
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Inventor(s): Amit Ashok, Ahmad Masoudi
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging
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Polarization Plenoptic Imaging System and Application to 3D Reconstruction
Researchers at the University of Arizona have designed a polarization plenoptic camera that can record position, angle, wavelength, polarization and time, all in a single shot. Because of the novel application of polarizers, it can separate reflected light from transmitted light for a given surface, enable imaging of objects that are not in the direct...
Published: 4/3/2023
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Inventor(s): Stanley Pau, Amit Ashok
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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Color Imaging Based on Computational Imaging and Narrow Band Absorption Color Filter Array
Researchers at the University of Arizona have created a novel color filter array (CFA) that allows much more light to reach a detector than conventional CFAs. The novel arrangement of filters with respect to wavelength cutoffs allows for crisp digital imaging with half the ambient light level required by currently known CFAs. The advantage is especially...
Published: 4/3/2023
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Inventor(s): Stanley Pau, Amit Ashok
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection
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