Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Codebook-based lossy data compression encoding system










Image Number 5 for United States Patent #5838691.

A communication system encodes input data by comparing the data to records in a lossy codebook to determine the closest match. An index corresponding to the record that most closely matches the input data is retrieved from the codebook and transmitted to a receiver. For a predetermined sampling interval, the communication system collects statistics of the frequency of occurrence of each record matching the input data. The records are sorted in descending order by the frequency of occurrence. Using either a predetermined error rate or a predetermined subtable size, the communication system creates a subtable of the records having the greatest frequency of occurrence. To reduce the search time of finding a record matching the input data, the communication system searches only the subtable for records until the error of the match in the subtable exceeds a preselected threshold or until a preselected period of time has elapsed. The communication system again collects statistics of the frequency of occurrence.








 
 
  Recently Added Patents
Wafer recycling method
Semiconductor device and method for manufacturing the same
Method for automatically estimating inertia in a mechanical system
Configurations and methods for effluent gas treatment
Communication apparatus and communication system
Catalysts for hydrodeoxygenation of polyols
System and method for supporting fibre channel over ethernet communication
  Randomly Featured Patents
Clock dithering process for reducing electromagnetic interference in D/A converters and apparatus for carrying out such process
Representation of data records
Semiconductor device and method for fabricating the same
Method and system for providing a compensated auger spectrum
Composition and method for rejuvenating enteral feeding tubes
Enhancement of charge carrier mobility in transistors
Television console
Optical sensor device and electronic apparatus
Lighting fixture having concave shaped reflector and improved asymmetric light reflection system
Television set