US 12,439,179 B2
Offset compensation
Yoram Karni, Qiryat Tivon (IL)
Assigned to SEMICONDUCTOR DEVICES LTD, D.N. Misgav (IL)
Filed by SEMICONDUCTOR DEVICES LTD, D.N. Misgav (IL)
Filed on Aug. 13, 2024, as Appl. No. 18/802,100.
Claims priority of application No. 305297 (IL), filed on Aug. 17, 2023.
Prior Publication US 2025/0063267 A1, Feb. 20, 2025
Int. Cl. H04N 25/671 (2023.01); H04N 17/00 (2006.01); H04N 25/20 (2023.01); H04N 25/51 (2023.01)
CPC H04N 25/671 (2023.01) [H04N 17/002 (2013.01); H04N 25/20 (2023.01); H04N 25/51 (2023.01)] 20 Claims
OG exemplary drawing
 
1. An image processing method comprising:
receiving a plurality of image frames from a detector array, wherein each image frame includes a measurement array of pixel values, the plurality of image frames corresponding to a plurality of measurement arrays;
computing a difference array from each measurement array of said plurality of measurement arrays, to provide a plurality of difference arrays, a different difference array corresponding to each individual measurement array of said plurality of measurement arrays, wherein the elements of each said difference array comprise:
a selected element which is set to zero;
elements which are computed as a difference between:
a corresponding measurement array element; and
another element of the measurement array;
or
a linear combination of other elements of the measurement array;
averaging said plurality of difference arrays to provide an average difference array; and
determining an offset array using said average difference array.