1. Image retrieval by histograms with color-spatial information 92/08/26陳慶鋒

2. Outline Spatial color histograms Spatial-chromatic histograms Implementation of histogram,CCV,and autocorrelogram Future work

3. Spatial color histograms(cont.) Color 為 q 的質心為 Color 為 q 的質心為

4. Spatial color histograms Annular color histogram Annular color histogram (4, 11, 9, 5) (4, 11, 9, 5)

5. Spatial color histograms(cont.) Angular color histogram Angular color histogram (5, 4, 2, 6, (5, 4, 2, 6, 7, 1, 3, 1) 7, 1, 3, 1)

6. Spatial color histograms(cont.) Angular color histogram Angular color histogram (1, 1, 0, 1, (1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 2, 2, 1, 1, 2, 2, 1, 1, 3, 0, 2, 0, 3, 0, 2, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 0, 2, 1, 1, 0, 1, 0, 0, 2, 1, 0, 0, 2, 1, 0, 0, 1) 。 1, 0, 0, 1) 。

7. Spatial-chromatic histograms Feature Feature Similarity function Similarity function

8. Implementation of histogram, CCV, and autocorrelogram

9. References [1] Aibing Rao, R.K. Srihari, Zhongfei Zhang, “ Spatial color histograms for content-based image retrieval, ” Tools with Artificial Intelligence, 1999, Proceeding, 11th IEEE International Conference on, 1999, pp. 183-186 [2] L. Cinque, S. Levialdi, K.A. Olsen, A. Pellicano, “ Color- based image retrieval using spatial-chromatic histograms, ” Multimedia Computing and Systems, 1999. IEEE International Conference on, vol. 2, 7-11 June 1999, pp. 969 -973 vol.2