Introduction of video retrieval 報告人 : 于尚立. Outline Introduction Motion-based video...

Introduction of video retrieval

報告人 : 于尚立

Outline

Introduction Motion-based video retrieval Conclusion

Introduction

In a traditional database text annotations

In image databases graphical interface tools provide examples of images

Motion-based video retrieval

Object detection

Motion-based video retrieval

Object detection

Motion-based video retrieval

Affine transform

'1

'1

Ax By Cx

Gx Hy

Dx Ey Fy

Gx Hy

Motion-based video retrieval

Motion-based video retrieval

Trajectory of object

Motion-based video retrieval

Motion-based video retrieval

Conclusion

Combine many features in video sequence, we can implement a video retrieval system

Reference Zhencheng Hu and Keiichi Uchimura(1999). Moving

Objects Detection from Time-varied Background: An Application of Camera 3D Motion Analysis.

J. W. Hsieh, H. Y. M. Liao, K. C. Fan, M. T. Ko and Y. P. Hung, “Image Registration Using a New Edge-Based Approach,” Computer Vision and Image Understanding, Vol. 67, No. 2, pp. 112-130, August 1997.

Chiou-Ting Hsu and Rob A. Beuker “Multiresolution Feature-Based Image Registration,” Visual Communications and Image Processing 2000, Vol 4067, pp. 1490-1498, Perth, Australia, 20-23 June 2000.