Title:
PATTERN RECOGNIZING/COLLATING DEVICE
Document Type and Number:
Japanese Patent JP3729581
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To accurately perform a collation to a person even about any face photograph by previously obtaining a conversion to make a model and a fluctuation amount be orthogonal to each other from many face pictures and face photographs, extracting a characteristic using this conversion and collating a face not attaching to any group of models to a photograph.
SOLUTION: A covariance calculating unit 3 fetches picture data from an input pattern input means 1 and a model pattern input means 1, and calculates a covariance matrix as regarding one picture data as a vector. A characteristic extracting unit 4 calculates a conversion matrix from the covariance matrix, and at the same time, performs a vector conversion as regarding one picture data as a vector and calculates a characteristic vector. Then, the selection of a characteristic space in that the space of the model pattern and the space of model-input varied vector are orthogonal is performed, and the collating processing of the face picture and the face photograph by the input pattern input means 1, the model pattern input means 2, the covariance calculating unit 3 and the determination unit 5.
Inventors:
Kenji Nagao
Soma Masanori
Soma Masanori
Application Number:
JP33911496A
Publication Date:
December 21, 2005
Filing Date:
December 05, 1996
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G06T7/00; (IPC1-7): G06T7/00
Domestic Patent References:
| JP59172084A | ||||
| JP62229490A | ||||
| JP7296169A | ||||
| JP58189700A |
Other References:
相馬正宜,長尾健司,取得過程の極端に異なる顔画像の照合,電子情報通信学会論文誌,日本,社団法人電子情報通信学会,1997年 8月25日,第J80-D-II巻,第8号,p.2225~2231
Attorney, Agent or Firm:
Masaaki
Ohashi
Masanori Hirano
Ohashi
Masanori Hirano
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