Title:
DEVICE AND METHOD FOR VECTOR QUANTIZATION AND RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP3676577
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To decrease the operation quantity for similarity between template vector data and input vector data when vector quantization is performed.
SOLUTION: To retrieve a template vector which is similar to the input vector data among pieces of template vector data stored in a template storage device 101, an operation omission decision part 106 compares the feature value of the input vector found by a feature value arithmetic part 105 with the feature value of the template vector stored in a feature quantity storage part 104 and selects the template vector to be retrieved according to the comparison result. Consequently, the amount of operation for finding the similarity between the input vector and template vector is reduced to perform operation for vector quantization fast on the whole.
Inventors:
Tadahiro Ohmi
Koji Kotani
Akira Nakata
Makoto Imai
Masahiro Tanada
Tatsuro Morimoto
Takemi Yonezawa
Toshiyuki Nozawa
Takahiro Nakayama
Masanori Fujibayashi
Yuhisa Nitta
Koji Kotani
Akira Nakata
Makoto Imai
Masahiro Tanada
Tatsuro Morimoto
Takemi Yonezawa
Toshiyuki Nozawa
Takahiro Nakayama
Masanori Fujibayashi
Yuhisa Nitta
Application Number:
JP20836698A
Publication Date:
July 27, 2005
Filing Date:
July 23, 1998
Export Citation:
Assignee:
Tadahiro Ohmi
UCT Co., Ltd.
UCT Co., Ltd.
International Classes:
H04N19/60; H03M7/30; H04N19/126; H04N19/176; H04N19/196; H04N19/423; H04N19/94; (IPC1-7): H04N7/30
Domestic Patent References:
| JP5037917A | ||||
| JP7311848A | ||||
| JP8317385A | ||||
| JP9288656A | ||||
| JP61201522A |
Attorney, Agent or Firm:
Takayoshi Kokubun
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