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A Laplacian Approach to Multi-Oriented Text Detection in Video
February 2011 (vol. 33 no. 2)
pp. 412-419
ASCII Text
x 
 
Palaiahnakote Shivakumara, Trung Quy Phan, Chew Lim Tan, "A Laplacian Approach to Multi-Oriented Text Detection in Video," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 33, no. 2, pp. 412-419, February, 2011.
 
 
BibTex
x
 
@article{ 10.1109/TPAMI.2010.166,
author = {Palaiahnakote Shivakumara and Trung Quy Phan and Chew Lim Tan},
title = {A Laplacian Approach to Multi-Oriented Text Detection in Video},
journal ={IEEE Transactions on Pattern Analysis and Machine Intelligence},
volume = {33},
number = {2},
issn = {0162-8828},
year = {2011},
pages = {412-419},
doi = {http://doi.ieeecomputersociety.org/10.1109/TPAMI.2010.166},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Pattern Analysis and Machine Intelligence
TI - A Laplacian Approach to Multi-Oriented Text Detection in Video
IS - 2
SN - 0162-8828
SP412
EP419
EPD - 412-419
A1 - Palaiahnakote Shivakumara,
A1 - Trung Quy Phan,
A1 - Chew Lim Tan,
PY - 2011
KW - Connected component analysis
KW - frequency domain processing
KW - text detection
KW - text orientation.
VL - 33
JA - IEEE Transactions on Pattern Analysis and Machine Intelligence
ER -
 
Palaiahnakote Shivakumara, National University of Singapore, Singapore
Trung Quy Phan, National University of Singapore, Singapore
Chew Lim Tan, National University of Singapore, Singapore
Abstract—In this paper, we propose a method based on the Laplacian in the frequency domain for video text detection. Unlike many other approaches which assume that text is horizontally-oriented, our method is able to handle text of arbitrary orientation. The input image is first filtered with Fourier-Laplacian. K--means clustering is then used to identify candidate text regions based on the maximum difference. The skeleton of each connected component helps to separate the different text strings from each other. Finally, text string straightness and edge density are used for false positive elimination. Experimental results show that the proposed method is able to handle graphics text and scene text of both horizontal and nonhorizontal orientation.

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Index Terms:
Connected component analysis, frequency domain processing, text detection, text orientation.
Citation:
Palaiahnakote Shivakumara, Trung Quy Phan, Chew Lim Tan, "A Laplacian Approach to Multi-Oriented Text Detection in Video," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 33, no. 2, pp. 412-419, Feb. 2011, doi:10.1109/TPAMI.2010.166
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