Architecture and analysis of color structure descriptor for real-time video indexing and retrieval

Authors:
Jing-Ying Chang;Chung-Jr Lian;Hung-Chi Fang;Liang-Gee Chen
Affiliations:
DSP/IC Design Lab., Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan;DSP/IC Design Lab., Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan;DSP/IC Design Lab., Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan;DSP/IC Design Lab., Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan
Venue:
PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2004

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Abstract

Color structure descriptor (CSD) provides satisfactory image indexing and retrieval results among other color-based descriptors in MPEG-7. The superiority comes from the consideration of space distribution of pixel colors. In this paper, we proposed the first CSD hardware architecture which can generate CSD description with frame size 256×256 and 30 frames per second (fps). This architecture provides about 12 times speed-up than running on a 2.54 GHz microprocessor platform to achieve real-time applications like assisting rate control in video coding system and circumstance change detection in surveillance system.