%0 Journal Article
%J Communications, IEEE Transactions on
%D 1983
%T Digital Image Compression by Outer Product Expansion
%A O'Leary, Dianne P.
%A Peleg,S.
%K approximation;
%K coding;
%K image
%K Least-squares
%K Transform
%X We approximate a digital image as a sum of outer products dxy^{T}wheredis a real number but the vectorsxandyhave elements +1, -1, or 0 only. The expansion gives a least squares approximation. Work is proportional to the number of pixels; reconstruction involves only additions.
%B Communications, IEEE Transactions on
%V 31
%P 441 - 444
%8 1983/03//
%@ 0090-6778
%G eng
%N 3
%R 10.1109/TCOM.1983.1095823