TY  - RPRT
TI  - Hilbert-space Karhunen-Loève transform with application to image analysis.
AU  - A Levy
AU  - J Rubinstein
PY  - 1999
DO  - 10.1364/josaa.16.000028
UR  - https://pubmed.ncbi.nlm.nih.gov/9919692/
ID  - 9919692
ER  -