Patents by Inventor Petri Pikkarainen

Petri Pikkarainen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system for forming HCVQ vector library
    Publication number: 20030219167
    Abstract: The invention relates to encoding and decoding images. According to an aspect of the invention HCVQ codevectors are formed in a receiving terminal. A group of codevectors forms a codebook, and a group of codebooks forms a codebook library. Only a VQ codebook and a certain number of modification vectors are sent to the receiving terminal. The compressed HCVQ vectors are formed using the received VQ and modification vectors.
    Type: Application
    Filed: June 19, 2002
    Publication date: November 27, 2003
    Inventors: Petri Pikkarainen, Martti Kesaniemi