Publications
Fluidic wire touch sensors
A wearable sensor device includes a liquid metal wire that includes an elongated tube with an internal cavity having a uniform cross-sectional ...
Inventors : Gianluca Lazzi, Dulce Maria Altabella Lazzi, Kyle Loizos, Arup Roy, Proyag Datta
Issuer : Patent Office, US
Date: 5/16/2024
Benefits of thermal and distance-filtered imaging for wayfinding with prosthetic vision
Visual prostheses such as the Argus II provide partial vision for individuals with limited or no light perception. However, their effectiveness ...
Authors : Roksana Sadeghi, Arathy Kartha, Michael P Barry, Paul Gibson, Avi Caspi, Arup Roy, Duane R Geruschat, Gislin Dagnelie
Journal : Scientific Reports
Date: 1/15/2024
Fluidic wire connectors
APWRZPQBPCAXFP-UHFFFAOYSA-N 1-(1-oxo-2H-isoquinolin-5-yl)-5-(trifluoromethyl)-N-[2-(trifluoromethyl) pyridin-4-yl] pyrazole-4-carboxamide Ch......
Inventors : Gianluca Lazzi, Dulce Maria Altabella Lazzi, Kyle Loizos, Arup Roy, Proyag Datta
Issuer : Patent Office, US
Date: 12/28/2023
Depth filter for visual prostheses
The present invention is a depth sensing visual prosthesis. By depth sensing objects within an image, items located at a certain depths from th.....
Inventors : Arup Roy, Avraham I Caspi, Gislin Dagnelie, Greg Seifert, Paul Gibson
Issuer : Patent Office, US
Date: 4/12/2022
Pattern detection and location in a processed image
TThe present invention is a method of processing a video image in an electronic video processor, including the steps of receiving an input image having an input field ...
Inventors : Robert J Greenberg, Avraham I Caspi, Francesco Merlini, Arup Roy
Issuer : Patent Office, US
Date: 2/1/2022
Glow in the dark. Using a heat-sensitive camera for blind individuals with prosthetic vision
To date, retinal implants are the only available treatment for blind individuals with retinal degenerations such as retinitis pigmentosa. Argus II is the only visual implant with FDA approval, with more than 300 users worldwide ...
Authors : Roksana Sadeghi, Arathy Kartha, Michael P Barry, Chris Bradley, Paul Gibson, Avi Caspi, Arup Roy, Gislin Dagnelie
Journal : Vision Research
Date: 7/1/2021
Uses for eye tracking in a visual prosthesis
An improved system for eye tracking in visual prostheses, leveraging spatial mapping of percepts to enhance functionality.
Inventors : Avraham I Caspi, Jessy D Dorn, Arup Roy, Robert J Greenberg
Issuer : Patent Office, US
Date: 1/26/2021
Prosthetic visual performance using a disparity-based distance-filtering system
Purpose: At present, Argus II is the only retinal prosthesis approved by the US Food and Drug Administration that induces visual percepts in people who are blind from end-stage outer retinal degenerations such as retinitis pigmentosa.
Authors : Arathy Kartha, Roksana Sadeghi, Michael P Barry, Chris Bradley, Paul Gibson, Avi Caspi, Arup Roy, Gislin Dagnelie
Journal : Translational vision science & technology
Date: 11/2/2020
Improved mobility performance with an artificial vision therapy system using a thermal sensor
To evaluate the benefit of integrating thermal imaging into an artificial vision therapy system, the Argus II retinal prosthesis, in simplifying a complex scene and improving mobility performance in the presence of other persons.
Authors : Yingchen He, Susan Y Sun, Arup Roy, Avi Caspi, Sandra R Montezuma
Journal : Journal of neural engineering
Date: 7/29/2020
Thermal and Distance image filtering improve independent mobility in Argus II retinal implant
Purpose: To simplify the imagery presented to Argus II retinal implant wearers by filtering out information from background objects using head-mounted a thermal camera (T) and a stereoscopic distance filter camera (D).
Authors : Roksana Sadeghi, Arathy Kartha, Michael P Barry, Paul Gibson, Avi Caspi, Arup Roy, Gislin Dagnelie
Journal : Journal of Vision
Date: 12/1/2019
Depth discrimination in Argus II wearers using a stereo sensor based on two head-mounted cameras
Purpose: To simplify the imagery presented to Argus II retinal implant wearers by filtering out information outside the desired depth range using the disparity map from two head-mounted cameras.
Authors : Roksana Sadeghi, Michael Barry, Paul Gibson, Avi Caspi, Arup Roy, Gislin Dagnelie
Journal : Investigative Ophthalmology & Visual Science
Date: 7/22/2019
Face detection, augmentation, spatial cueing and clutter reduction for the visually impaired
An apparatus for improving performance of a retinal implant includes processing circuitry configured to enhance image data and provide spatial cues for objects outside the field of view.
Inventors : Derek M Rollend, Kapil D Katyal, Kevin C Wolfe, Dean M Kleissas, Matthew P Para, Paul E Rosendall, John B Helder, Philippe M Burlina, Duane C Cornish, Ryan J Murphy, Matthew S Johannes, Arup Roy, Seth D Billings, Jonathan M Oben, Robert J Greenberg
Issuer : Patent Office, US
Date: 7/3/2018
Method and apparatus to provide safety checks for neural stimulation
In electrically stimulating neural tissue it is important to prevent over stimulation and unbalanced stimulation which would cause damage to the neural tissue, the electrode, or...
Inventors : Robert Jay Greenberg, Kelly Hobart McClure, James Singleton Little, Rongqing Dai, Arup Roy, Richard Agustin Castro, John Reinhold, Kea-Tiong Tang, Sumit Yadav, Chunhong Zhou, Dao Min Zhou, Pishoy Maksy
Issuer : Patent Office, US
Date: 3/13/2018
Eye movement control in the Argus II retinal-prosthesis enables reduced head movement and better localization precision
Purpose: Visual scanning by sighted individuals is done using eye and head movements. In contrast, scanning using the Argus II is solely done by head movement, since eye movements can introduce localization errors.
Authors : Avi Caspi, Arup Roy, Varalakshmi Wuyyuru, Paul E Rosendall, Jason W Harper, Kapil D Katyal, Michael P Barry, Gislin Dagnelie, Robert J Greenberg
Journal : Investigative ophthalmology & visual science
Date: 2/1/2018
Embedded clutter reduction and face detection algorithms for a visual prosthesis
Retinal prosthetic devices can significantly and positively impact the ability of visually challenged individuals to live a more independent life.
Authors : Derek M Rollend, Paul E Rosendall, Kevin C Wolfe, Dean M Kleissas, Seth D Billings, Jonathan M Oben, John B Helder, Francesco V Tenore, Philippe M Burlina, Arup Roy, Robert Greenberg, Kapil D Katyal
Journal : IEEE
Date: 8/16/2016
Visual prosthesis
A visual prosthesis apparatus and a method for limiting power consumption in a visual prosthesis apparatus. The visual prosthesis apparatus comprises a camera for capturing a video image, a video processi...
Inventors : Robert J Greenberg, Kelly H McClure, Arup Roy
Issuer : Patent Office, US
Date: 8/16/2011