Robust method for image feature estimation

Details Robust method for image feature estimation Robust method for image feature estimation

2005-02-22

2005-02-22

Chang, Jon (Department: 2623)

Image analysis

Learning systems

C382S190000, C382S283000

Reexamination Certificate

active

06859550

ABSTRACT:
Noise or outliers corrupt image non-contact measurement of a geometric structure or geometric entity. A weight image is created prior to fitting whose pixel value indicates certainty of image information or feature signal strength. Learning images can enhance the weight image or it can be adjusted by iteration to achieve robust fitting results.

REFERENCES:
patent: 6151403 (2000-11-01), Luo
patent: 20020106112 (2002-08-01), Chen et al.
Jolly et al. “Vehicle Segmentation and Classification Using Deformable Templates.” IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 18, No. 3, Mar. 1996, pp. 293-308.*
Mirhosseini et al. “A Hierarchical and Adaptive Deformable Model for Mouth Boundary Detection.” Proc. Int. Conf. on Image Processing, vol. 2, Oct. 26, 1997, pp. 756-759.*
Park et al. “Initialization of Deformable Templates Using Weighted Gaussian Approximations.” Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 4, Jun. 5, 2000, pp. 2231-2234.

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