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Real-time extraction of text captions embedded in videos

Summary: Shih-Fu Chang, Ph.D.

Technology Benefits: Real-time processing speed.Improved text identification accuracy for videos with cluttered backgrounds.Patent information:Patent Issued (US 8,488,682) Tech Ventures Reference: IR M02-021

Technology Application: Semantic video indexing.Video summarization into a reduced set of salient frames.Extraction of textual data (e.g., license plates) from surveillance videos.Multilingual video information retrieval.

Detailed Technology Description: Shih-Fu Chang, Ph.D.

*Abstract: None

*Inquiry: Satish RaoColumbia Technology VenturesTel: (212) 854-8444Email: TechTransfer@columbia.edu

*IR: M02-021

*Principal Investigator

*Publications: D.Q. Zhang, B.L. Tseng, S.F. Chang. Accurate overlay text extraction fordigital video analysis, ITRE2003, Aug. 2003, pp. 233-237.

*Web Links: Patent number: US20040255249

Country/Region: USA

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