Object detection method

Details Object detection method Object detection method

2007-04-25

2010-11-16

Bella, Matthew C (Department: 2624)

Image analysis

Applications

Target tracking or detecting

C382S106000, C382S291000, C348S169000

Reexamination Certificate

active

07835543

ABSTRACT:
An object detection method which rapidly detects one or more objects existing in an image includes: a primary search step which judges whether an object exists at a predetermined interval by using a simple judgment device requiring a small number of calculation amounts; a range estimation step which estimates a range where an object actually exists from a spatial relationship obtained as a result of the primary search; a secondary search step which performs an object judgment process by using a secondary judgment device capable of performing more detailed judgment than the object judgment device used in the primary search; an object position estimation step which estimates a position where the similarity is maximum in a certain object existing range as an object existing position; and a final search step which judges a final object position.

REFERENCES:
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patent: 2003/0152271 (2003-08-01), Tsujino et al.
patent: 2005/0105771 (2005-05-01), Nagai et al.
patent: 2005/0248654 (2005-11-01), Tsujino et al.
patent: 2008/0226126 (2008-09-01), Ohno
patent: 02-159682 (1990-06-01), None
Paul Viola, et al.; Rapid Object Detection using a Boosted Cascade of Simple Features; Accepted Conference on Computer Vision and Pattern Recognition 2001; pp. 1-9.

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