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Sony patents system that uses event sensors to fix pixel positions

Sony has been granted a patent for a computer system that adjusts the position data of standard sensor pixels. It does this by using signals from a separate, specialized 'event-based' sensor that detects changes in light. The system calculates how much to shift the pixel coordinates based on the known physical relationship between the two sensors.

Why it mattersThis technology could help improve the accuracy of camera systems in devices like VR headsets or autonomous vehicles by correcting for slight movements or misalignments between different types of sensors.

In the filing’s own words

Provided is a computer system for processing sensor output generated for each pixel, which includes a memory for storing a program code, and a processor for executing operations according to the program code, and the operations include calculating a position correction amount for the pixel position of the sensor according to an event signal generated by an event-based vision sensor having a known positional relation with the sensor, and applying the position correction amount to the sensor output.

What exactly they claim (claim 1)

1. A computer system for processing an output of a sensor generated for each of pixels, comprising: a memory storing computer-readable instructions; and a processor for executing the computer-readable instructions that cause the computer system to perform operations comprising: calculating a position correction amount for a pixel position of the sensor, according to an event signal generated by an event-based vision sensor whose positional relation with the sensor has been known, and applying the position correction amount to coordinate values indicating the pixel position of the sensor.

Facts

Company
Sony (Sony Interactive Entertainment Inc.)
Official title
Computer system, method, and program
Patent number
US12732713B2
Application number
18845558
Filed
Mar 29, 2022
Granted
Sep 8, 2026
Inventors
1
Claims
19

Classified under

H04N 25/47 Electricity & electronicsH04N 25/671 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.