Granted Patent
Utility
US 6,731,815 · App. 09/518,428
Human vision based pre-processing for MPEG video compression
Inventor:
Shane Ching-Feng Hu
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Mar 3, 2000
Inventor
Shane Ching-Feng Hu
Assignee (at issue)
Tektronix, Inc.
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.