Landmark detection apparatus and method for intelligent system

Details Landmark detection apparatus and method for intelligent system Landmark detection apparatus and method for intelligent system

2004-11-17

2009-10-20

Bali, Vikkram (Department: 2624)

Image analysis

Histogram processing

For segmenting an image

C382S162000, C701S207000

Reexamination Certificate

active

07606416

ABSTRACT:
A landmark detection apparatus and method, the apparatus including a first detection unit that generates N first sample blocks in a first sampling region using a first weighted sampling method according to a first degree of dispersion, and that performs a first landmark detection by comparing a feature of each first sample block a feature of a landmark model, where the first sample region is set to the entirety of a current frame image; and a second detection unit that generates N second sample blocks in a second sampling region using a second weighted sampling method according to a second degree of dispersion, and that performs a second landmark detection by comparing a feature of each second sample block the feature of the landmark model, where the second sampling region is set to an area less than the entirety of the current frame image.

REFERENCES:
patent: 5612793 (1997-03-01), Ito et al.
patent: 06-070333 (1994-03-01), None
patent: 2004-044352 (2005-02-01), None
Kuk-Jin Yoon & In-So Kweon; “Artificial Landmark Tracking Based on the Color Histogram”; IEEE/RSJ Oct. 29-Nov. 3, 2001; pp. 1918-1923.
Michael Isard & Andrew Blake; “Condensation-Conditional Density Propagation for Visual Tracking”; International Journal of Computer Vision; 29(I), 5-28 (1998).

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