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Speaker Naming in Arabic TV Programs
Automatic speaker identification is the problem of identifying speakers by their real identities. Previous approaches
use textual information as a source of naming, try to associate names to neighbouring speaker segments using linguistic rules.
However, these approaches have a few limitations that hinder their application on spoken text. Deep learning approaches for
natural language processing have recently reached state-of-the-art results. However, deep learning requires a lot of annotated
data which is difficult to obtain in the case of speaker identification task. In this paper, we present two contributions towards
integrating deep learning for identifying speakers in news broadcasts: first we realise a dataset in which the names of mentioned
speakers are related to the previous, next, current or other speaker turns. Moreover, we present our approach to solve the
problem of speaker identification using information obtained from the transcription. We use a Long-term Recurrent
Convolutional Network for name assignment and integer linear programming for name propagation into the different segments.
We evaluate our model on both assignment and propagation tasks on the test part of the Arabic multi-genre broadcast dataset
which consists of 17 TV programs from Aljazeera. The performance is analysed using the evaluation metrics, such as Estimated
Global Error Rate (EGER) and Diarization Error Rate (DER). The outcome of the proposed method ensures better performance
by achieving the lower EGER of 32.3% and DER of 8.3%.
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[48] Zrigui M., Charhad M., and Zouaghi A., “A Framework of Indexation and Document Video Retrieval Based on the Conceptual Graphs,” Journal of Computing and Information Technology, vol. 18, no. 3, pp. 245-256, 2010. Mohamed Lazhar Bellagha a PhD student in the Higher Institute of Computer Science and Communication Techniques ISITCom, Hammam Sousse, Tunisia. He is a member of Research Laboratory in Algebra, Numbers Theory and Intelligent Systems RLANTIS, Monastir, Tunisia. His areas of interest include Speaker identification, machine learning and natural Language Processing. Mounir Zrigui a full professor at the University of Monastir, Tunisia. He received his PhD from the Paul Sabatier University, Toulouse, France in 1987 and his HDR from the Stendhal University, Grenoble, France in 2008. Since 1986, he is a Computer Science Assistant Professor in Brest University, France, and after in the Faculty of Science of Monastir, Tunisia. He has started his research, focused on all aspects of automatic natural language processing (written and oral). He has run many research projects and published many research papers in reputed international journals/ conferences.