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논문 기본 정보

자료유형
학술대회자료
저자정보
Jeehyun Goya Choe (Korea Advanced Institute of Science and Technology) Joon-Hong Seok (Korea Advanced Institute of Science and Technology) Ju-Jang Lee (Korea Advanced Institute of Science and Technology)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2008
발행연도
2008.10
수록면
816 - 819 (4page)

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초록· 키워드

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Mean-shift algorithm shows robust performances in various object-tracking technologies including face tracking. Due to its robustness and accuracy, mean-shift algorithm is regarded as one of the best ways to apply in object-tracking technology in computer vision fields. However, it has a drawback of getting into a bottleneck state when faced with a speedy object moving beyond its window size within one image frame interval time. The time required to calculate mean-shift vector could be much lessened with lesser memory when color model is adjusted to the previously known target information. This paper shows the building process of target-adjusted model with a non-uniform quantization. The target color model dealt in this paper is the one used for deriving mean-shift vector. It is a kernel model containing both the color and distance information. This paper gives scheme to efficiently deal with color information in the model. Through a proper selection of color bins, unimportant color values were reduced to a small amount. As a result, the computing time of the mean-shift vector in face-tracking was shortened while maintaining robustness and accuracy.

목차

Abstract
1. INTRODUCTION
2. MEAN-SHIFT TRACKER
3. QUANTIZATION
4. FACE-ADJUSTED MODEL
5. EXPERIMENTS
6. DISCUSSIONS AND COMPARISONS
7. CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES

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