Method and apparatus for filtering an image

Details Method and apparatus for filtering an image Method and apparatus for filtering an image

2007-12-04

2007-12-04

Ahmed, Samir (Department: 2624)

Image analysis

Image transformation or preprocessing

Measuring image properties

C348S169000, C356S614000

Reexamination Certificate

active

10444125

ABSTRACT:
Objects are detected in an image using a spatially variant filter. The size of the filter is adjusted based on the portion of the image being processed by the filter. Portions of the image which are closer to an imaging device which captured the image are processed using a larger sized filter. Portions of the image which are further from the imaging device are processed using a smaller sized filter.

REFERENCES:
patent: 5982912 (1999-11-01), Fukui et al.
patent: 6823086 (2004-11-01), Dolazza
patent: 2002/0001398 (2002-01-01), Shimano et al.
patent: 2003/0152271 (2003-08-01), Tsujino et al.
patent: 2001319221 (2001-11-01), None
M Palaniswami, T Q Nguyen and R Oxbrow, An Efficient Filter Structure for Edge Detection, 1988, IECON '88, p. 60-63.

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