Image analysis – Applications – Personnel identification
Reexamination Certificate
2010-03-31
2010-12-14
Seth, Manav (Department: 2624)
Image analysis
Applications
Personnel identification
C382S154000, C382S181000, C348S155000, C356S027000
Reexamination Certificate
active
07853053
ABSTRACT:
The computer-readable media provides improved procedures to estimate head motion between two images of a face. Locations of a number of distinct facial features are determined in two images. The locations are converted into as a set of physical face parameters based on the symmetry of the identified distinct facial features. An estimation objective function is determined by: (a) estimating each of the set of physical parameters, (b) estimating a first head pose transform corresponding to the first image, and (c) estimating a second head pose transform corresponding to the second image. The motion is estimated between the two images based on the set of physical face parameters by multiplying each term of the estimation objective function by a weighted contribution factor based on the confidence of data corresponding to the estimation objective function.
REFERENCES:
patent: 5864630 (1999-01-01), Cosatto et al.
patent: 6118887 (2000-09-01), Cosatto et al.
patent: 6580810 (2003-06-01), Yang et al.
patent: 6714660 (2004-03-01), Ohba
Liu Zicheng
Zhang Zhengyou
Lee & Hayes PLLC
Microsoft Corporation
Seth Manav
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