Patents by Inventor Dong Gyu Sim

Dong Gyu Sim 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).

  • Apparatus and method for vector descriptor representation and multimedia data retrieval
    Patent number: 7020194
    Abstract: The present invention relates to an apparatus and a method for vector descriptor representation and multimedia data retrieval, which can quantize a plurality of feature values described by a vector descriptor respectively, represent the quantized feature values in the form of bit or orthogonally transform the quantized bector feature values, and rearrange the feature values represented in the form of bit from the highest bit to the lowest bit or rearrange the transformed coefficient from low frequency to high frequency to represent the vector descriptor hierarchically.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: March 28, 2006
    Assignees: Hyundai Electronics Ind. Co., Ltd., Telecommunications Research Institute
    Inventors: Dong Gyu Sim, Hae Kwang Kim, Mun Churl Kim, Jin Woong Kim
  • Apparatus and method for vector descriptor representation and multimedia data retrieval
    Publication number: 20010025283
    Abstract: The present invention relates to an apparatus and a method for vector descriptor representation and multimedia data retrieval, which can quantize a plurality of feature values described by a vector descriptor respectively, represent the quantized feature values in the form of bit or orthogonally transform the quantized bector feature values, and rearrange the feature values represented in the form of bit from the highest bit to the lowest bit or rearrange the transformed coefficient from low frequency to high frequency to represent the vector descriptor hierarchically.
    Type: Application
    Filed: March 14, 2001
    Publication date: September 27, 2001
    Inventors: Dong Gyu Sim, Hae Kwang Kim, Mun Churl Kim, Jin Woong Kim