Meta platforms technologies, llc (20240213746). THREE-DIMENSIONAL (3D) COMPRESSIVE SENSING BASED EYE TRACKING simplified abstract
Contents
THREE-DIMENSIONAL (3D) COMPRESSIVE SENSING BASED EYE TRACKING
Organization Name
meta platforms technologies, llc
Inventor(s)
Youmin Wang of Bellevue WA (US)
THREE-DIMENSIONAL (3D) COMPRESSIVE SENSING BASED EYE TRACKING - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240213746 titled 'THREE-DIMENSIONAL (3D) COMPRESSIVE SENSING BASED EYE TRACKING
Simplified Explanation: The patent application describes a 3D eye tracking system using SPAD sensors and active encoded illumination to achieve high-resolution depth measurement.
Key Features and Innovation:
- Utilizes low-resolution SPAD sensors and active encoded illumination for high-resolution depth measurement.
- Projects patterns onto the eye surface using high-speed illuminators like DMD or MEMS projectors.
- Employs compressive sensing techniques to obtain high-resolution images and depth information.
Potential Applications: This technology can be used in:
- Medical imaging for ophthalmology.
- Virtual reality and augmented reality systems.
- Biometric security systems.
Problems Solved:
- Achieving high-resolution depth measurement with low-resolution sensors.
- Improving accuracy and precision of eye tracking systems.
- Enhancing image quality and depth information.
Benefits:
- High-resolution depth measurement.
- Improved accuracy in eye tracking.
- Enhanced image quality and depth information.
Commercial Applications: Potential commercial applications include:
- Medical device manufacturing.
- Virtual reality headset development.
- Security system integration.
Prior Art: Readers can explore prior art related to this technology in the fields of:
- Compressive sensing.
- Eye tracking systems.
- SPAD sensor technology.
Frequently Updated Research: Stay updated on the latest research in:
- Compressive sensing applications.
- SPAD sensor advancements.
- Eye tracking system innovations.
Questions about 3D Compressive Sensing Eye Tracking System: 1. How does this technology improve upon traditional eye tracking systems? 2. What are the potential limitations of using SPAD sensors for depth measurement in this system?
2. Another relevant generic question, with a detailed answer: What are the key advantages of using active encoded illumination in this 3D eye tracking system?
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Original Abstract Submitted
a three-dimensional (3d) compressive sensing based eye tracking system using single photon avalanche diode (spad) sensors achieves high resolution depth measurement by using low resolution spad sensors and active encoded illumination such as two- or three-dimensional fringe patterns, random speckles, random patterns, and/or superimposed patterns projected onto a surface of an eye. the patterns may be projected by high speed illuminators such as a digital micromirror device (dmd) or micro-electromechanical system (mems) projector in series changing at the same rate as the spad sensor capture rate. a processor may employ compressive sensing techniques to obtain a high resolution image and depth information from the captured images of varying patterns.
