ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,067, issued on May 13, was assigned to NEC Corp. (Tokyo).
"Sparse matrix standardization device, sparse matrix standardization method, sparse matrix standardization program, and data structure" was invented by Takuya Araki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computation unit 11 performs, for each column of a target matrix to be standardized, a computation process to compute the average and standard deviation of the value of each component of the column. A first dividing unit 12 performs, for each column of the target matrix, a first dividing process to divide the value of each component of the column by the standard deviation com...