Publications   Journals 1. G S Lehal, “A Survey of the State of the Art in Punjabi Language Processing”, Language In India, Volume 9, No. 10, pp. 9-23 (2009). 2. V Goyal and G S Lehal, "Evaluation of Hindi to Punjabi Machine Translation System", International Journal of Computer Science Issues, Volume 4, No. 1, pp. 36-39 (2009). 3. M K Jindal, G S Lehal and R K Sharma, “On Segmentation of Touching Characters and Overlapping Lines in Degraded Printed Gurmukhi Script”, International Journal of Image and Graphics, Volume 9, No. 3, pp. 321-353 (July 2009). 4.  V Gupta and G S Lehal, "A Survey of Text Mining Techniques and Applications", Journal of Emerging Technologies in Web Intelligence, Volume 1, No. 1, pp. 60-76 (August 2009). 5. G S Josan and G S Lehal, “Size of N for Word Sense Disambiguation using N Gram Model for Punjabi Language”, International Journal of Translation, Vol. 20, No. 1-2, pp. 47-56 (2008). 6. T S Saini and G S Lehal “Shahmukhi to Gurmukhi Transliteration System: A Corpus based Approach”, Research in Computing Science (Mexico), Volume 33, pp. 151-162 (2008). 7. M K Jindal, R K Sharma and G S Lehal, "Segmentation of Horizontally Overlapping Lines in Printed Indian Scripts", International Journal of Computational Intelligence Research (IJCIR), Volume 3, No. 4, pp. 277-286 (Dec 2007). 8. G S Lehal, "A Gurmukhi Collation Algorithm", International Journal of Systemics, Cybernetics and Informatics, pp. 60-64 (Jan 2007). 9. G S Lehal, "Design and Implementation of Punjabi Spell Checker", International Journal of Systemics, Cybernetics and Informatics, pp. 70-75 (Jan 2007). 10. G S Joshan and G S Lehal, "Evaluation of Direct Machine Translation System from Punjabi to Hindi", International Journal of Systemics, Cybernetics and Informatics, pp. 76-83 (Jan 2007). 11. G. S. Lehal and Chandan Singh, "A Complete Machine Printed Gurmukhi OCR System", Vivek, pp. 10-17, Vol. 16, No. 3. (2006). 12. M K Jindal, G S Lehal and R K Sharma, “Segmentation problems and solutions in printed degraded Gurmukhi text”, International Journal of Signal Processing, Volume 2, Number 4, pp. 258-267, (2005) 13. G S Lehal and Chandan Singh, “A Post Processor for Gurmukhi OCR”, SADHANA Academy Proceedings in Engineering Sciences, Vol. 27, Part 1, pp. 99-112, (2002). 14. G S Lehal and Chandan Singh, “Feature extraction and classification for OCR of Gurmukhi script”, Vivek, Vol. 12, No. 2, pp. 2-12 (1999).     Conference Proceedings 1. G. S. Lehal, “A Two Stage Word Segmentation System For Handling Space Insertion Problem In Urdu Script”, Proceedings of World Academy of Science, Engineering and Technology, Bangkok, Thailand, Vol. 60, pp 321-324. (2009) 2. G. S. Lehal, “A Gurmukhi to Shahmukhi Transliteration System”, Proceedings of 7th International Conference on Natural Language Processing, pp. 167-173, Hyderabad, India. (2009). 3. D. Sharma, G. S. Lehal, "Shape Encoded Post Processing of Gurmukhi OCR", Proceedings of 9th International Conference of Document Analysis and Recognition, Barcelona, IEEE Computer Society Press, California, USA, pp 788-792. (2009). 4. D. Sharma, G. S. Lehal, "Form Field Frame Boundary Removal for Form Processing System in Gurmukhi Script", Proceedings of 9th International Conference of Document Analysis and Recognition, Barcelona, Spain. (2009). 5. G.S. Lehal, "Optical Character Recognition of Gurmukhi Script using Multiple Classifiers", Proceedings of International Workshop of Multilingual OCR, Article No. 7, Barcelona, Spain. (2009). 6. M.K. Jindal, R.K. Sharma, G.S. Lehal, "Segmentation of touching characters in upper zone in printed Gurmukhi script", Proceedings of the 2nd Bangalore Annual Compute Conference, Bangalore, Publisher ACM, USA, Paper No. 9. (2009). 7. M. S. Gill and G. S. Lehal, “A Grammar Checking System for Punjabi”, Coling 2008: Companion volume: Posters and Demonstrations, Manchester, UK, pp. 149-152 (August 2008). 8. G. S. Josan and G. S. Lehal, “A Punjabi to Hindi machine Translation System”, Coling 2008: Companion volume: Posters and Demonstrations, Manchester, UK, pp. 157-160 (August 2008). 9. T. S. Saini, G. S. Lehal and V. S. Kalra, “Shahmukhi to Gurmukhi Transliteration System”, Coling 2008: Companion volume: Posters and Demonstrations, Manchester, UK, pp. 177-180 (August 2008). 10. V. Goyal and G. S. Lehal, "Hindi Morphological Analyzer and Generator", Proceedings First International Conference on Emerging Trends in Engineering and Technology, Nagpur, IEEE Computer Society Press, California, USA, pp. 1156-1159 (2008). 11. M.K. Jindal, R.K. Sharma, G.S. Lehal, "Structural Features for Recognizing Degraded Printed Gurmukhi Script", Proceedings International Conference on Information Technology : New Generations (ITNG 2008), Las Vegas, IEEE Computer Society Press, California, USA, pp. 668-673. (2008). 12. M.K. Jindal, R.K. Sharma, G.S. Lehal, "A Study of Different Kinds of Degradation in Printed Gurmukhi Script,", Proceedings International Conference on Computing: Theory and Applications (ICCTA'07), Kolkata, IEEE Computer Society Press, California, USA, pp. 538-544. (2007). 13. P. Singh and G S Lehal, "Text-to-Speech Synthesis system for Punjabi language", Proceedings International Conference on Multidisciplinary Information Sciences and Technologies, Merida, Spain, pp.388-391. (2006). 14. D V Sharma and G S Lehal, “An Iterative Algorithm for Segmentation of Isolated Handwritten Words in Gurmukhi Script”, Proceedings 18th International Conference on Pattern Recognition, Hong Kong, IEEE Computer Society Press, California, USA, Vol 2, pp 1022-1025. (2006). 15. G S Lehal and M Bhagat, “Error Pattern in Punjabi Typed Text”, Proceedings of International Symposium on Machine Translation, NLP and TSS, New Delhi, pp. 128-141, (2004). 16. G S Lehal , Chandan Singh and Renu Dhir, “Structural feature-based approach for script identification of Gurmukhi and Roman characters and words”, Document Recognition and Retrieval X, Proceedings SPIE, USA, Vol. 5010 (2003). (Accepted for publication) 17. G S Lehal and Chandan Singh, "A technique for segmentation of Gurmukhi text”, Computer Analysis of Images and Patterns, W. Skarbek (Ed.), Lecture Notes in Computer Science, Vol. 2124, Springer-Verlag, Germany, pp. 191-200 (2001) 18. G S Lehal, Chandan Singh and Ritu Lehal , "A shape based post processor for Gurmukhi OCR”, Proceedings of 6th International Conference on Document Analysis and Recognition, Seattle, USA, IEEE Computer Society Press, USA, pp. 1105-1109, (2001) 19. G. S. Lehal and Nivedan Bhatt, “A recognition system for Devnagri and English handwritten numerals”, Advances in Multimodal Interfaces – ICMI 2001, T. Tan, Y. Shi and W. Gao (Editors), Lecture Notes in Computer Science, Vol. 1948, Springer-Verlag, Germany, pp. 442-449. (2000). 20. G S Lehal and Chandan Singh, “A Gurmukhi script recognition system”, Proceedings 15th International Conference on Pattern Recognition, Barcelona, Spain, IEEE Computer Society Press, California, USA, Vol 2, pp 557-560. (2000). 21. G S Lehal and Renu Dhir, “A Range Free Skew Detection Technique for Digitized Gurmukhi Script Documents”, Proceedings 5th International Conference of Document Analysis and Recognition, Bangalore, IEEE Computer Society Press, California, USA, pp. 147-152, (1999) 22. G S Lehal and Kulwinder Singh, “A study of data structures for implementation of Punjabi dictionary”, Cognitive Systems Reviews and Previews, J. R. Isaac and K. Batra (Editors), ICCS ’99, Delhi, Phoenix Publishing House Pvt Ltd, pp. 489-497, (1999).