Title:
頭部位置センサ
Document Type and Number:
Japanese Patent JP4409954
Kind Code:
B2
Abstract:
A method of identifying objects of interest within a scene from an image thereof, the method comprising the steps of; taking a current image of the scene I now using an imager; calculating a difference image I diff between the current image of the scene I now and a reference image I ref , the difference image I diff comprising a plurality of image pixels each having an intensity level; determining an optimum noise level in the difference image I diff and setting a noise threshold T n above said optimum noise level; and comparing the magnitude of the intensity level of each pixel within the difference image I diff with the noise level T n and providing a binary mask image I mask which labels continuous areas of pixels (blobs) in the image as either object or background.
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Inventors:
Causal teddy pole
Application Number:
JP2003565784A
Publication Date:
February 03, 2010
Filing Date:
January 31, 2003
Export Citation:
Assignee:
QINETIQ LIMITED
International Classes:
G01B11/00; B60R21/01; B60R21/16; B60R21/015
Domestic Patent References:
| JP10315906A | ||||
| JP6206514A | ||||
| JP2002037015A | ||||
| JP2001504770A |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Toshio Imajo
Takaki Nishijima
Fumiaki Otsuka
Toshio Imajo
Takaki Nishijima