Braille Recognition using a Camera-enabled Smartphone

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Gayatri Abhishek Venugopal-Wairagade 1

1. Symbiosis Institute of Computer Studies and Research, Symbiosis International University, Atur Centre, Gokhale Crossroad, Model Colony, Pune – 411016, India

* Corresponding author.


Received: 2 Apr. 2016 / Revised: 30 Apr. 2016 / Accepted: 7 Jun. 2016 / Published: 8 Jul. 2016

Index Terms

Human computer interaction, braille, image processing, visually impaired


The paper proposes a method to process the image of a Braille document that interprets the raised dots on the document and converts them to their equivalent English characters. It was found that under ideal conditions of light and alignment of the Braille document with respect to the smartphone, the application can achieve more than 80% accuracy. The application can be used in the education domain, wherein users who do not understand Braille may help visually-impaired or blind students in their learning activities such as assignments and tests.

Cite This Paper

Gayatri Abhishek Venugopal-Wairagade,"Braille Recognition using a Camera-enabled Smartphone", International Journal of Engineering and Manufacturing(IJEM), Vol.6, No.4, pp.32-39, 2016. DOI: 10.5815/ijem.2016.04.04


[1]Jiménez, J., Olea, J., Torres, J., Alonso, I., Harder, D., & Fischer, K. (2009). Biography of louis braille and invention of the braille alphabet. Survey of ophthalmology, 54(1), 142-149.

[2]Pring, L. (1994). Touch and go: learning to read Braille. Reading Research Quarterly, 67-74.

[3]Ryles, R. (1996). The impact of braille reading skills on employment, income, education, and reading habits. Journal of Visual Impairment and Blindness, 90, 219-226.

[4]Guerreiro, J., Gonçalves, D., Marques, D., Guerreiro, T., Nicolau, H., & Montague, K. (2013, October). The today and tomorrow of Braille learning. In Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (p. 71). ACM.

[5]Kamei-Hannan, C., & Sacks, S. Z. (2012). Parents' perspectives on braille literacy: Results from the ABC Braille Study. Journal of Visual Impairment & Blindness, 106(4), 212-223.

[6]Scheithauer, M. C., & Tiger, J. H. (2012). A COMPUTER‐BASED PROGRAM TO TEACH BRAILLE READING TO SIGHTED INDIVIDUALS. Journal of applied behavior analysis, 45(2), 315-327.

[7]AMERICA, B. A. O. N. (1994). English braille American edition. Louisville, KY: American Printing Housefor the Blind.

[8]Al-Shamma, S. D., & Fathi, S. (2010, December). Arabic Braille Recognition and transcription into text and voice. In Biomedical Engineering Conference (CIBEC), 2010 5th Cairo International (pp. 227-231). IEEE.

[9]Miesenberger, Klaus, Joachim Klaus, Wolfgang Zagler, and Arthur Karshmer. "Computers helping people with special needs." In Proceedings of 12th International Conference on Computers Helping People with Special Needs (ICCHP 2010). 2010. 

[10]Mennens, J., Van Tichelen, L., Francois, G., & Engelen, J. J. (1994). Optical recognition of Braille writing using standard equipment. Rehabilitation Engineering, IEEE Transactions on, 2(4), 207-212.

[11]Authman, Z. I., & Jebr, Z. F. (2013). ALGORITHM PROTOTYPE FOR REGULAR FEATURE EXTRACTION OF ARABIC BRAILLE SCRIPTS. International Journal, 2(1), 2305-1493.

[12]Antonacopoulos, Apostolos, and David Bridson. "A robust Braille recognition system." Document Analysis Systems VI (2004): 111-114. 

[13]Shahbazkia, Hamid, Telmo Silva, and Rui Guerreiro. "Automatic braille code translation system." Progress in Pattern Recognition, Image Analysis and Applications (2005): 233-241. 

[14]Neovision Homepage. [Online]. Available:

[15]Adaptive technology solutions homepage. [Online]. Available:

[16]Zhang, Shanjun, and Kazuyoshi Yoshino. "A braille recognition system by the mobile phone with embedded camera." In Innovative Computing, Information and Control, 2007. ICICIC'07. Second International Conference on, pp. 223-223. IEEE, 2007. 

[17]Bradski, Gary, and Adrian Kaehler. Learning OpenCV: Computer vision with the OpenCV library. O'reilly, 2008.