Television – Object tracking
Reexamination Certificate
2005-10-18
2005-10-18
Le, Vu (Department: 2613)
Television
Object tracking
Reexamination Certificate
active
06956603
ABSTRACT:
Herein disclosed a moving object detecting method of detecting optical flow segments indicative of loci of one or more moving objects apparently moved in a moving picture sequence including a plurality of picture frames each indicating the one or more moving objects at a time point to ensure that the one or more moving objects are correctly detected, the picture frames including a first picture frame indicating the one or more moving objects at a first time point, a second picture frame indicating the one or more moving objects at a second time point, a third picture frame indicating the one or more moving objects at a third time point, and a fourth picture frame indicating the one or more moving objects at a fourth time point in late order, the method comprising the steps of: h) generating filtered optical flow segments indicative of loci of the one or more moving objects apparently moved in the moving picture sequence in the time interval starting from the third time point to the first time point; and i) adding the filtered optical flow segments generated in the step (h) to the first optical flow segments detected in the step (e) to generate integrated optical flow segments indicative of loci of the one or more moving objects apparently moved in the moving picture sequence in the time interval starting from the third time point to the first time point.
REFERENCES:
patent: 6303920 (2001-10-01), Wixson
patent: 6628805 (2003-09-01), Hansen et al.
Yamane et al, “Person Tracking By Integrating Optical Flow and Uniform Brightness Regions”, IEEE International Conference on Robotics and Automation, vol. 4, pp. 3267-3272, May 1998.
Bors et al, “Prediction and Tracking of Moving Objects in Image Sequences”, IEEE Transactions On Image Processing, vol. 9, No. 8, pp. 1441-1445, Aug. 2000.
Le Vu
Matsushita Electric - Industrial Co., Ltd.
Pearne & Gordon LLP
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