US 12,348,885 B2
Image processing for pixel correction
Andrew J. Oosterhouse, Hudsonville, MI (US); and Dale M. Radcliff, Hudsonville, MI (US)
Assigned to GENTEX CORPORATION, Zeeland, MI (US)
Filed by Gentex Corporation, Zeeland, MI (US)
Filed on Jul. 14, 2023, as Appl. No. 18/221,930.
Claims priority of provisional application 63/390,760, filed on Jul. 20, 2022.
Prior Publication US 2024/0031696 A1, Jan. 25, 2024
Int. Cl. H04N 25/68 (2023.01); H04N 23/84 (2023.01)
CPC H04N 25/68 (2023.01) [H04N 23/84 (2023.01)] 18 Claims
OG exemplary drawing
 
1. A method for correcting image data captured by a photosensor array, the method comprising:
receiving, at a processor, image data associated with an image captured by the photosensor array;
determining, by the processor, a location of a target pixel in the photosensor array associated with a defect of the imager;
identifying first operating pixels in a first region of the photosensor array that overlaps the location of the target pixel;
identifying second operating pixels in a second region of the photosensor array that overlaps the location of the target pixel and a portion of the first region;
determining a simulated pixel value for the target pixel in response to a weighted average of the first operating pixels and the second operating pixels; and
assigning the simulated pixel value to the target pixel in the image data, wherein the location of the target pixel is identified in response to detecting at least one pixel fault in the photosensor array in response to a first readout value of the location of one of the first and second operating pixels failing to conform to a plurality of second readout values associated with other operating pixels spatially proximate to the one of the first and second operating pixels.