Title :
Character localization in video sequences
Author :
Enyedi, Balazs ; Konyha, Lajos ; Fazekas, Kalman ; Jan, Turan
Author_Institution :
Dep. of Broadband Infocomm. & Electromagn. Theor., Budapest Univ. of Technol. & Econ., Budapest
Abstract :
Character localization in video sequences is considered a complex and diverse problem. This task can be decomposed into two clearly separate problems: localizing the character regions in the source image, and recognizing characters within the regions found. This paper presents a character localization strategy that significantly reduces the computing requirement of this task. First we present the edge detection algorithms considered. Then the results are used to create a histogram of the source image that helps localize character coordinates within the image. Finally, erroneously found regions are discarded using three rapid and effective solutions, featuring very high reliability of the proposed methods.
Keywords :
character recognition; edge detection; image sequences; video signal processing; character localization; edge detection algorithms; source image; video sequences; Character recognition; Detection algorithms; Digital video broadcasting; Discrete cosine transforms; Filtering; Histograms; Image edge detection; Multimedia communication; Power generation economics; Video sequences;
Conference_Titel :
Content-Based Multimedia Indexing, 2008. CBMI 2008. International Workshop on
Conference_Location :
London
Print_ISBN :
978-1-4244-2043-8
Electronic_ISBN :
978-1-4244-2044-5
DOI :
10.1109/CBMI.2008.4564989