ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,534, issued on March 25, was assigned to Communications Test Design Inc..

"Method to detect camera blemishes" was invented by Nidhin Davis (Glen Mills, Pa.), Timothy Hopfer (Downingtown, Pa.) and Mark Parsons (West Chester, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting a blemish in a digital camera includes capturing a digital image of a white area by the digital camera; reducing resolution of the digital image by grouping pixels of the digital data into a matrix of a plurality of data blocks; and comparing a luminance value of each of the plurality of data blocks to an average luminance value of other data blocks of the ...