Granted Patent
Utility
US 5,719,958 · App. 08/440,651
System and method for image edge detection using discrete cosine transforms
Inventors:
Munib Wober, Yibing Yang, Michael L. Reisch
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: May 15, 1995
Inventors
Munib Wober
Yibing Yang
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.