Method and apparatus for locating and identifying an object of i

Details Method and apparatus for locating and identifying an object of i Method and apparatus for locating and identifying an object of i

1996-05-14

1998-12-08

Chang, Jon

Image analysis

Pattern recognition

Template matching

382278, 382291, G06K 962

Patent

active

058481907

ABSTRACT:
A method of location and identification of an object of interest in a complex image frame involves defining the object of interest as a reference template. The ranks of grey shades in the complex image frame and reference template are computed. The ranks of grey shades in the reference template are compared with the ranks of grey shades of the complex image, thereby determining closeness of fit. A threshold for detection is set by utilizing selected decision data.

REFERENCES:
patent: 5014330 (1991-05-01), Kobayashi et al.
patent: 5319723 (1994-06-01), Bernsen et al.
Maragos, "Optimal Morphological Approaches to Image Matching and Object Detection." Second Int. Conf. on Computer Vision, pp. 695-699, Dec. 1988.
Khosravi et al., "Template Matching Based on Rank Order Operations." Proceedings of SPIE, Nonlinear Image Processing V, vol. 2180, pp. 186-197, May 1994.

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