NDLI: Farsi/Arabic text extraction from video images

Content Provider	IEEE Xplore Digital Library
Author	Moradi, Mohieddin Mozaffari, Saeed Orouji, Ali Asghar
Copyright Year	2011
Description	Author affiliation: Semnan University (Moradi, Mohieddin; Mozaffari, Saeed; Orouji, Ali Asghar)
Abstract	Summary from only given. Video text information plays an important role in semantic-based video analysis, indexing, and retrieval. In this paper we proposed a novel text detection approach based on intrinsic characteristics of Farsi text lines, which is more robust to complex backgrounds and various font styles. First, a Gaussian pyramid with two levels is created from input I-frame images. Then, for better usage of edge feature and increasing edges in text areas, corners are extracted from each level of pyramid, based on an initial font size and some heuristics rules. Afterwards, corner histogram analysis is done. By combining appropriate discrete cosine transform (DCT) coefficients, texture intensity picture is created. Input image is divided into some macro blocks from which some features are extracted and fed into support vector machine (SVM) classifier to classify them into text and non-text areas. Finally, the detected candidate text areas undergo some empirical rules to refine text localization stage results. Experimental results demonstrate that the proposed approach can be used as an automatic text detection system, which is robust to font size, font colour, and background complexity.
Sponsorship	IEEE Iran Sect.
Starting Page	1
Ending Page	1
File Size	124199
Page Count	1
File Format	PDF
ISBN	9781457707308
e-ISBN	9789644634284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	AmirKabir Univ of Tech
Subject Keyword	Text localization Corner DCT Video Text detection Edge
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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