Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2004-11-12
2009-02-10
Wong, Allen (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240000, C375S240120
Reexamination Certificate
active
07489727
ABSTRACT:
A technique for semantic video compression is shown in block (120). Uncompressed video data (210), including a plurality of video data segments (S1, S2, . . . Sn), are organized into two or more buffer slots (220), such that each of the two or more buffer slots is filled with one or more of the received video data segments, thereby forming two or more buffered video portions corresponding to the two or more buffer slots. The buffered video data is then processed by a leaking rule, to extract one or more buffered video portions, while outputting one or more non-extracted buffered video portions, as compressed video data (230). The leaking rule data is stored in a histogram (240) and later used to organize and index data according to a users request.
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patent: 6222886 (2001-04-01), Yogeshwar
Tiecheng Liu and John R. Kender, Time-Constrained Dynamic Semantic Compression for Video Indexing and Interactive Searching, Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, vol. 2, pp. 531-538, Dec. 8-14, 2001.
Zhuang et al., Adaptive Key Frame Extraction Using Unsupervised Clustering, IEEE Internationa Conference on Image Processing, pp. 866-870 (1998).
Kender John R.
Liu Tiecheng
Baker & Botts LLP
The Trustees of Columbia University in the city of New York
Wong Allen
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