A Parametric Spectral-Based Method for Verification of Text in Videos

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http://doi.ieeecomputersociety.org/10.1109/ICDAR.2007.30

Ninth International Conference on Doc ...

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	V. Papavassiliou, T. Stafylakis, V. Katsouros, G. Carayannis, "A Parametric Spectral-Based Method for Verification of Text in Videos," Document Analysis and Recognition, International Conference on, vol. 2, pp. 879-883, Ninth International Conference on Document Analysis and Recognition (ICDAR 2007) Vol 2, 2007.

	BibTex	x
	@article{ 10.1109/ICDAR.2007.30, author = {V. Papavassiliou and T. Stafylakis and V. Katsouros and G. Carayannis}, title = {A Parametric Spectral-Based Method for Verification of Text in Videos}, journal ={Document Analysis and Recognition, International Conference on}, volume = {2}, year = {2007}, issn = {1520-5363}, pages = {879-883}, doi = {http://doi.ieeecomputersociety.org/10.1109/ICDAR.2007.30}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Document Analysis and Recognition, International Conference on TI - A Parametric Spectral-Based Method for Verification of Text in Videos SN - 1520-5363 SP879 EP883 A1 - V. Papavassiliou, A1 - T. Stafylakis, A1 - V. Katsouros, A1 - G. Carayannis, PY - 2007 VL - 2 JA - Document Analysis and Recognition, International Conference on ER -

V. Papavassiliou, Institute for Language and Speech Processing of Athena, Athens, Greece

T. Stafylakis, Institute for Language and Speech Processing of Athena, Athens, Greece

V. Katsouros, Institute for Language and Speech Processing of Athena, Athens, Greece

G. Carayannis, Institute for Language and Speech Processing of Athena, Athens, Greece

A new method for verifying text areas detected in video streams is proposed. The algorithm explores the spectral properties of the horizontal projection of candidate text regions in order to reduce the high amount of false alarms that most text detection algorithms suffer from. The full algorithm (text localization followed by verification and temporal redundancy module) has been tested on newscast video sequences (MPEG-1-720x576 resolution-184 minutes). The detection module produced 94.82% recall rate but only 51.84% precision rate. The addition of the verification module increased the precision rate to 78.93%, keeping the recall rate almost unaffected.

Citation:

V. Papavassiliou, T. Stafylakis, V. Katsouros, G. Carayannis, "A Parametric Spectral-Based Method for Verification of Text in Videos," icdar, vol. 2, pp.879-883, Ninth International Conference on Document Analysis and Recognition (ICDAR 2007) Vol 2, 2007

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