Granted Patent
Utility
US 5,729,631 · App. 08/440,639
Image noise reduction system using a wiener variant filter in a pyramid image representation
Inventors:
Munib Wober, Yibing Yang, Ibrahim Hajjahmad, Lon E. Sunshine, Michael L. Reisch
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: May 15, 1995
Inventors
Munib Wober
Yibing Yang
Ibrahim Hajjahmad
Lon E. Sunshine
Michael L. Reisch
Assignee (at issue)
Polaroid Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.