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Mobile Application for Recognizing Text in Degraded Document Images Using Optical Character Recognition with Adaptive Document Image Binarization

Angie M. Ceniza, DCIS, University of San Carlos Cebu City, Philippines, Tom Kalvin B. Archival, Kate V. Bongo
2018 Journal of Image and Graphics  
In this paper, we propose a mobile application that can recognize text in degraded document images using Tesseract as the OCR engine with Adaptive Document Image Binarization to improve the performance  ...  of the OCR engine in degraded documents images.  ...  ACKNOWLEDGMENT We would like to thank the Department of Computer and Information Sciences, School of Arts and Sciences and University of San Carlos for the research opportunity.  ... 
doi:10.18178/joig.6.1.44-47 fatcat:dwwu3dn4izdilk6jpdpoaziydu

Efficient binarization technique for severely degraded document images

Brij Mohan Singh, Mridula
2014 CSI Transactions on ICT  
Thresholding of such document images either result in broken characters or detection of false texts.  ...  Degradations in document images appear due to shadows, non-uniform illumination, ink bleed-through and blur caused by humidity.  ...  Binarization of degraded document images is not an easy task.  ... 
doi:10.1007/s40012-014-0045-5 fatcat:yuchsu5feneync45bhjdwouqca

Quality Evaluation of Ancient Digitized Documents for Binarization Prediction

Vincent Rabeux, Nicholas Journet, Anne Vialard, Jean-Philippe Domenger
2013 2013 12th International Conference on Document Analysis and Recognition  
We intend to characterize the degradation of a document image by using different features based on the intensity, quantity and location of the degradation.  ...  This article proposes an approach to predict the result of binarization algorithms on a given document image according to its state of degradation.  ...  The OCR result is predicted by thresholding the quality measures (proportion of thick and broken characters). Each document image is finally labbeled as good or poor.  ... 
doi:10.1109/icdar.2013.30 dblp:conf/icdar/RabeuxJVD13 fatcat:kr62himkavhw5h3mbu2lnvdu3q

Binarization of degraded document image based on feature space partitioning and classification

Morteza Valizadeh, Ehsanollah Kabir
2010 International Journal on Document Analysis and Recognition  
In this paper, we propose a new algorithm for the binarization of degraded document images.  ...  In addition, this algorithm does not need any parameter setting by the user and is appropriate for various types of degraded document images.  ...  Figure 10 shows a document image with shadowthrough degradation and the binarization results.  ... 
doi:10.1007/s10032-010-0142-4 fatcat:ye3hhowhz5bhjhjtne3r2mftna

Quality evaluation of degraded document images for binarization result prediction

V. Rabeux, N. Journet, A. Vialard, J. P. Domenger
2013 International Journal on Document Analysis and Recognition  
We intend to characterize the degradation of a document image by using different features based on the intensity, quantity and location of the degradation.  ...  This article proposes an approach to predict the result of binarization algorithms on a given document image according to its state of degradation.  ...  The OCR result is predicted by simply thresholding the quality ratios (proportion of thick and broken characters). Each document image is finally labeled as good or poor. In [?]  ... 
doi:10.1007/s10032-013-0211-6 fatcat:n75soeowfzhl3el5cdofdy3z34

Improvement of binarization performance using local otsu thresholding

Khairun Saddami, Khairul Munadi, Yuwaldi Away, Fitri Arnia
2019 International Journal of Electrical and Computer Engineering (IJECE)  
The proposed method had been testing on H-DIBCO 2014 and degraded Jawi handwritten ancient documents.  ...  First, the document background was approximated by using Wiener filter, and then image subtraction was applied.  ...  ACKNOWLEDGEMENTS This research is funded by Ministry of Research, Technology, and Higher Education, the Republic of Indonesia, under Pendidikan Magister Menuju Doktor untuk Sarjana Unggul (PMDSU) scheme  ... 
doi:10.11591/ijece.v9i1.pp264-272 fatcat:2rq44pmtrvha7kfnmziqj3depq

An Objective Evaluation Methodology for Document Image Binarization Techniques

Konstantinos Ntirogiannis, B. Gatos, I. Pratikakis
2008 2008 The Eighth IAPR International Workshop on Document Analysis Systems  
The estimated ground truth image can aid in evaluating the binarization result in terms of recall and precision as well as to further analyze the result by calculating broken and missing text, deformations  ...  This paper presents an objective evaluation methodology for document image binarization techniques that aims to reduce the human involvement in the ground truth construction and consecutive testing.  ...  Introduction Document image binarization is an important step in the document image analysis and recognition pipeline.  ... 
doi:10.1109/das.2008.41 dblp:conf/das/NtirogiannisGP08 fatcat:cjliiygbzrg3dka3id3cpury6m

A Modified Adaptive Logical Level Binarization Technique for Historical Document Images

Konstantinos Ntirogiannis, Basilis Gatos, Ioannis Pratikakis
2009 2009 10th International Conference on Document Analysis and Recognition  
In this way, we achieve more accurate binarization results in both handwritten and printed documents with a particular focus on degraded historical documents.  ...  In this paper, a new document image binarization technique is presented, as an improved version of the state-of-the-art adaptive logical level technique (ALLT).  ...  Our extensive study on degraded and historical document images has shown that the most difficult cases concern printed characters with holes and faint handwritten ones.  ... 
doi:10.1109/icdar.2009.225 dblp:conf/icdar/NtirogiannisGP09 fatcat:kcsvht35brdxdasjmcwub7gfae

Comparison of Niblack inspired binarization methods for ancient documents

Khurram Khurshid, Imran Siddiqi, Claudie Faure, Nicole Vincent, Kathrin Berkner, Laurence Likforman-Sulem
2009 Document Recognition and Retrieval XVI  
NICK has been inspired from the Niblack's binarization method and exhibits its robustness and effectiveness when evaluated on low quality ancient document images.  ...  The proposed method aims at achieving better binarization results, specifically, for ancient document images.  ...  broken.  ... 
doi:10.1117/12.805827 dblp:conf/drr/KhurshidSFV09 fatcat:qunamfs7mbeh7prgizo37i73qu

An initial study on the construction of ground truth binarized images of ancient palm leaf manuscripts

Made Windu Antara Kesiman, Sophea Prum, Jean-Christophe Burie, Jean-Marc Ogier
2015 2015 13th International Conference on Document Analysis and Recognition (ICDAR)  
We propose and analyze the need for a specific scheme for the construction of the ground truth of binarized images.  ...  This scheme adapts and performs better in constructing the ground truth of binarized images for palm leaf manuscripts.  ...  This work is also supported by the DIKTI BPPLN Indonesian Scholarship Program and the STIC Asia Program implemented by the French Ministry of Foreign Affairs and International Development (MAEDI).  ... 
doi:10.1109/icdar.2015.7333843 dblp:conf/icdar/KesimanPBO15 fatcat:kp4x67s3hfebfequgkeoo5qq7a

Document Image Binarization Using Retinex and Global Thresholding

Marian Wagdy, Ibrahima Faye, Dayang Rohaya
2015 ELCVIA Electronic Letters on Computer Vision and Image Analysis  
Document images are usually degraded in the course of photocopying, faxing, printing, or scanning.  ...  In this paper we present a binarization method based on retinex theory followed by a global threshold. The proposed method has been evaluated and compared to other existing methods.  ...  (d) Binarization using the proposed method. Figure 4 : 4 Example images of degradation and poor quality document images.  ... 
doi:10.5565/rev/elcvia.648 fatcat:3be4pzgfgnftvcvszb3n67zbqq

Adaptive degraded document image binarization

B. Gatos, I. Pratikakis, S.J. Perantonis
2006 Pattern Recognition  
This paper presents a new adaptive approach for the binarization and enhancement of degraded documents.  ...  After extensive experiments, our method demonstrated superior performance against four (4) well-known techniques on numerous degraded document images.  ...  Ergina Kavallieratou from Open University, Greece, for providing us with samples from her private historical document collection, Dr. Kim and Prof.  ... 
doi:10.1016/j.patcog.2005.09.010 fatcat:ju6ujezfqrcvjae4cjhv4edwye

Degraded Historical Document Binarization: A Review on Issues, Challenges, Techniques, and Future Directions

Sulaiman, Omar, Nasrudin
2019 Journal of Imaging  
In recent times, degraded document binarization has been studied widely and several approaches were developed to deal with issues and challenges in document binarization.  ...  In this paper, a comprehensive review is conducted on the issues and challenges faced during the image binarization process, followed by insights on various methods used for image binarization.  ...  thin and broken text due to the extensive sliding window operations.  ... 
doi:10.3390/jimaging5040048 pmid:34460486 pmcid:PMC8320943 fatcat:puuxadufpnh27lisbwcxizztsy

Document Image Binarization Techniques, Developments and Related Issues: A Review

Rashmi Saini
2015 International Journal of Computer Applications  
This literature review suggests that designing a suitable document image binarization method is a prerequisite for a successful document image analysis and recognition.  ...  We also emphasis on the problems being encountered and the related issues in the research area of document image binarization.  ...  [14] proposed a method that is based on local adaptive approach for image binarization and enhancement of degraded documents.  ... 
doi:10.5120/20352-2541 fatcat:55tttebdkze4dfefcltbkemck4

Character Segmentation Of Degraded Odia Script

Ipsita Pattnaik, Tushar Patnaik
2020 Asian Journal of Computer and Information Systems  
image.  ...  It is used by over forty million people and still counting. With such large dependency on a language makes it important, to preserve its script, get a digital editable version of odia script.  ...  The applicability of printed character recognition is further segregated into two parts namely: (i) good quality/standard printed documents, (ii) degraded printed documents.  ... 
doi:10.24203/ajcis.v8i2.6097 fatcat:wgzhbe5lfbcvnewziyruobjwra
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