Papers

2004

• Y. Lu, C.L. Tan, Information retrieval in document image databases, IEEE Transactions on Knowledge and Data Engineering, 2004, to appear.

• Y.X. Li, C.L. Tan, X. Ding and C. Liu, Contextual post-processing based on the confusion matrix in offline handwritten Chinese script recognition, Pattern Recognition, vol.37, no.9, 2004.

• J. He, A.H. Tan and C.L. Tan, Modified ART 2A growing network capable of generating a fixed number of nodes, IEEE Transactions on Neural Networks, vol.15, no.3, pp.728-737, May 2004.

• Y. Lu and C.L. Tan, Chinese word searching in imaged documents, International Journal of Pattern Recognition and Artificial Intelligence, vol.18, no.2, pp.229-246, 2004.

• G.D. Zhou, J. Zhang J. Su, D. Shen and C.L. Tan, Recognition names in biomedical texts: a machine learning approach, Bioinformatics, 2004, to appear.

• J. Zhang, D. Shen, G.D. Zhou, J. Su and C.L. Tan, Enhancing HMM-based biomedical named entity recognition by studying special phenomena, Journal of Biomedical Information, special issue on Natural Language Processing in Biomedicine: Aims, Achievements and Challenge, 2004, to appear.

• C.L. Tan and Q.H. Liu, Extraction of newspaper headlines from microfilm for automatic indexing, International Journal on Document Analysis and Recognition, vol.6, no.3, pp.201-210, March 2004.

• Z. Zhang, C.L. Tan and L. Fan, Restoration of curved document images through 3D shape modeling, International Conference on Computer Vision and Pattern Recognition, CVPR2004, 27 June-2 July 2004, Washington DC, USA.

• Z. Zhang, C.L. Tan and L. Fan, Estimation of 3D shape of warped document surface for image restoration, International Conference on Pattern Recognition, ICPR 2004, 23-26 Aug 2004, Cambridge, UK.

• Y.X. Li and C.L. Tan, Influence of language models and candidate set size on contextual postprocessing for Chinese script recognition, International Conference on Pattern Recognition, ICPR 2004, 23-26 Aug 2004, Cambridge, UK.

• L. Zhang, Y. Lu and C.L. Tan, Italic font recognition using stroke pattern analysis on wavelet decomposed word images, International Conference on Pattern Recognition, ICPR 2004, 23-26 Aug 2004, Cambridge, UK.

• Y. Zhou and C.L. Tan, Coordinate systems reconstruction for graphical documents by hough-feature clustering and geometric analysis, International Conference on Pattern Recognition, ICPR 2004, 23-26 Aug 2004, Cambridge, UK.

• X. Yang, J. Su, G. Zhou and C.L. Tan, Improving pronoun resolution by incorporating coreferential information of candidates, 42nd Meeting of the Association of Computational Linguistics, ACL04, 21-26 July 2004, Barcelona, Spain.

• Z.Y. Niu, D.H. Ji and C.L. Tan, Learning word senses with feature selection and order identification capabilities, 42nd Meeting of the Association of Computational Linguistics, ACL04, 21-26 July 2004, Barcelona, Spain.

• Z.Y. Niu, D.H. Ji and C.L. Tan, Optimizing feature set for Chinese word sense disambiguation, 3rd International Workshop on the Evaluation of Systems for the Semantic Analysis of Text, ACL2004 workshop Senseval3, 25-26 July, 2004.

• D. Shen, J. Zhang, J. Su, G. Zhou and C.L. Tan, Multi-criteria-based active learning for named entity recognition, 42nd Meeting of the Association of Computational Linguistics, ACL04, 21-26 July 2004, Barcelona, Spain.

• X. Yang, J. Su, G. Zhou and C.L. Tan, An NP-cluster based approach to coreferential resolution, 20th International Conference on Computational Linguistics, COLING04, 23-27 Aug 2004.

• Y. Lu, L. Zhang and C.L. Tan, A search engine for imaged documents in PDF files, 27th Annual International ACM SIGIR Conference, Sheffield, UK, 25-27 July, 2004.

• D. Shen, J. Zhang, J. Su, G. Zhou and C.L. Tan, A collaborative ability measurement for co-training, International Joint Conference on Natural Language Processing, IJCNLP 2004, Hainan Island, China, 22-24 March 2004.

• X. Yang, G. Zhou, J. Su and C.L. Tan, Improving noun phrase coreference resolution by matching strings, International Joint Conference on Natural Language Processing, IJCNLP 2004, Hainan Island, China, 22-24 March 2004.

• J. He, C.L. Tan, H.B. Low and D. Shen, Unsupervised learning for document classification: feasility, limitation and the bottom line, International Joint Conference on Natural Language Processing, IJCNLP 2004, Hainan Island, China, 22-24 March 2004.

• G.D. Zhou, D. Shen, J. Zhang, J. Su and C.L. Tan, Recognition of protein/gene names from text using an ensemble of classifiers and effective abbreviation resolution, EMBO Workshop 2004 on a critical assessment of text mining methods in molecular biology.

• Y. Lu, Z. Wang and C.L. Tan, Word grouping in document images based on voronoi diagram, International Workshop on Document Analysis Systems, DAS2004, 8-10 Sept 2004, Florence, Italy.

• P.K. Loo and C.L. Tan, Adaptive region growing color segmentation for text using irregular pyramid, International Workshop on Document Analysis Systems, DAS2004, 8-10 Sept 2004, Florence, Italy.

• W.H. Huang, C.L. Tan and W.K. Leow, Elliptic arc vectorization for 3D pie chart recognition, International Conference on Image Processing, ICIP2004, 24-27 Oct 2004, Singapore.

• Z.Y. Niu, D.H. Ji and C.L. Tan, Document clustering based on cluster validation, 13th Conference on Information and Knowledge Management, CIKM 2004, 8-13 Nov 2004, Washington DC, USA.

2003

• Y. Lu and C.L. Tan, A nearest-neighbor-chain based approach to skew estimation in document images, Pattern Recognition Letters, vol.24, pp.2315-2323, 2003.

• L Fan and C.L. Tan, Adaptive image-smoothing using a coplanar matrix and its applications to document image binarization, International Journal on Document Analysis and Recognition, vol.5, Issues 2-3, pp.88-101, 2003.

• Y. Lu and C.L. Tan, Document retrieval from compressed images, Pattern Recognition, vol.36, pp.987-996, 2003.

• Q. Wang, T. Xia, L. Li and C.L. Tan , Document image enhancement using directional wavelet, International Conference on Computer vision and Pattern Recognition, June 2003, Wisconsin, USA, pp.II-534-II-539.

• Q. Wang, T. Xia, L. Li and C.L. Tan, Image enhancement of historical documents using directional wavelet, International Journal of Wavelets, Multiresolution and Information Processing, 1(3):291-305, Sept 2003.

• C.L. Tan, W. Huang, S.Y. Sung, Z. Yu and X. Xu Text retrieval from document images based on word shape analysis, Applied Intelligence, special issue on Text and Web Mining, 18(3):257-270, Jan 2003.
• J. He, A-H. Tan, C-L. Tan, On machine learning methods for Chinese documents classification, Applied Intelligence special issue on Text and Web Mining, 18(3):311-322, Jan 2003.
• D. Shen, J. Zhang, G. Zhou, J. Su and C.L. Tan, Effective adaptation of a hidden markov model-based named entity recognizer for biomedical domain, Natural Language Processing in Biomedicine Workshop, in conjunction with ACL03, 11 July, Sapporo, Japan.
• X. Yang, G. Zhou, J. Su and C.L. Tan, Coreference resolution using competition learning approach, 41st Meeting of the Association of Computational Linguistics, ACL03, 7-12 July 2003, Sapporo, Japan.
• W.H. Huang, C.L. Tan and W.K. Leow, Model based chart image recognition, International Workshop on Graphics Recognition, GREC2003, 30-31 July 2003, Barcelona, Spain.
• L. Fan and C.L. Tan, A diffusion processing for wavelet transform-based image denoising, International Conference on Image Processing, ICIP 2003, 14-17 Sep 2003, Barcelona, Spain.
• Y. Lu and C.L. Tan, Word searching in CCITT group 4 compressed document images, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• Y. Lu and C.L. Tan, Improved nearest neighbor based approach to accurate document skew estimation, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• P.K. Loo and C.L. Tan, Using irregular pyramid for text segmentation and binarization of gray scale images, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• L. Fan and C.L. Tan, Wavelet diffusion for image denoising, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• Z. Zhang and C.L. Tan, Correcting document image warping based on regression of curved text lines, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• B. Yuan and C.L. Tan, Skewscope: the textual document skew detector, International Conference on Document Analysis and Recognition, ICDAR 2003, 3-6 Aug, Edinburgh, UK.
• Z. Wang, Y. Lu and C.L. Tan, Word extraction using area voronoi diagram, Workshop on Document Image Analysis and Retrieval, in conjunction with CVPR 2003, 16-22 June 2003, Madison, Wisconsin, USA.
• L. Zhang, Y. Lu and C.L. Tan, A web-based system for retrieving document images from digital library, Workshop on Document Image Analysis and Retrieval, in conjunction with CVPR 2003, 16-22 June 2003, Madison, Wisconsin, USA.
• Q. Wang, T. Xia, L. Li and C.L. Tan, Document image enhancement using directional wavelet, International Conference on Computer Vision and Pattern Recognition, CVPR 2003, 16-22 June 2003, Madison, Wisconsin, USA.
• Y. Lu and C.L. Tan, Keyword searching in compressed document images, Data Compression Conference, 25-27 March 2003, Snowbird, Utah, USA.

2002

• C.L. Tan, R. Cao and P. Shen, Restoration of archival documents using a wavelet technique, IEEE Transactions of Pattern Analysis and Machine Intelligence, 24(10):1399-1404, Oct 2002.

• C.L. Tan, W. Huang, Z. Yu and Y. Xu Imaged document text retrieval without OCR, IEEE Transactions on Pattern Analysis and Machine Intelligence, 24(7):838-844, July 2002.
• Y. Li, X. Ding and C.L. Tan, Combining character-based bigram with word-based bigram in contextual post-processing for handwritten Chinese character recognition, ACM Transactions on Asian Language and Information Processing. 1(14):297-309, 2002.
• H. Liu, F. Hussain, C.L. Tan and M. Dash, A systematic study of discretization methods, Journal of Data Mining and Knowledge Discovery, vol.6, pp.393-423, 2002.
• Y. Lu and C.L. Tan, Combination of multiple classifiers using probabilistic dictionary and its application to postcode recognition, Pattern Recognition, vol.35, pp.2823-2832, 2002.
• Y. Lu, C.L. Tan, P. Shi and K. Zhang, Segmentation of handwritten Chinese characters from destination addresses of mail pieces, International Journal of Pattern Recognition and Artificial Intelligence, vol.16, no.1, pp.85-96, 2002.
• L. Fan and C.L. Tan, Edge-preserving image restoration using structure tensors, IEEE 2002 International Conference on Image Processing, 22-25 Sep 2002, Rochester, NY, USA.
• Z. Zhang and C.L. Tan, Straightening warped text lines using polynomial regression, IEEE 2002 International Conference on Image Processing, 22-25 Sep 2002, Rochester, NY, USA.
• P.K. Loo and C.L. Tan, Word and sentence extraction using irregular pyramid, 5th IAPR International Workshop on Document Analysis Systems, 19-21 August 2002, New Jersey, USA.
• Q.H. Liu and C.L. Tan, Automatic indexing of newspaper microfilm images, 5th IAPR International Workshop on Document Analysis Systems, 19-21 August 2002, New Jersey, USA.
• Y. Lu and C.L. Tan, Word searching in document images using word portion matching, 5th IAPR International Workshop on Document Analysis Systems, 19-21 August 2002, New Jersey, USA.
• Q. Liu and C.L. Tan, Newspaper headlines extraction from microfilm images, International Conference on Pattern Recognition, ICPR2002, 11-15 August 2002, Quebec, Canada.
• Y. Lu and C.L. Tan, Word spotting in Chinese document images without layout analysis, International Conference on Pattern Recognition, ICPR2002, 11-15 August 2002, Quebec, Canada.

2001

• Q. Wang and C.L. Tan, Matching of double-sided document images to remove interference, Computer Vision and Pattern Recognition, CVPR2001, Hawaii, 11-13 December 2001.
• W. Huang, C.L. Tan, S.Y. Sung and Y. Xu Word shape recognition for image-based document retrieval, International Conference on Image Processing, ICIP'2001, Thessaloniki, Greece, 8-11 October 2001.
• R. Cao, C.L. Tan and P. Shen, A wavelet approach to double-sided document image pair processing, International Conference on Image Processing, 10-13 September 2001, Thessaloniki, Greece.
• Y. Lu, C.L. Tan, W. Huang and L. Fan An approach to word image matching based on weighted hausdorff distance, International Conference on Document Analysis and Recognition, ICDAR'2001, Seattle, 10-13 September, 2001, pp. 921-925.
• W. Huang, C.L. Tan, S.Y. Sung and Y. Xu Vertical bar detection for gauging text similarity of document images, International Conference on Document Analysis and Recognition, ICDAR'2001, Seattle, 10-13 September, 2001, pp. 640-644.
• Z. Zhang and C. L. Tan Restoration of images scanned from thick bound documents, International Conference on Image Processing, 8-10 October, 2001, Thessonlonki, Greece.
• Y. Lu, C.L. Tan, L. Fan and W. Huang Similarity measure for CCITT group 4 compressed document images, International Conference on Image Processing, ICIP'2001, Thessaloniki, Greece, 8-11 October 2001.
• Z. Zhang and C. L. Tan Recovery of distorted document images from bound volumes, International Conference on Document Analysis and Recognition, ICDAR 2001, 10-13 September 2001, Seatle, USA, pp.429-433.
• R. Cao and C.L. Tan Separation of overlapping text from graphics, International Conference on Document Analysis and Recognition, ICDAR 2001, 10-13 Sept 2001, Seattle, USA, pp. 44-48.
• R. Cao and C.L. Tan Text/Graphics separation in Maps, Graphics Recognition Workshop, GREC 2001, Kingston, Canada, 7-8 Sept 2001.
• L. Fan, L. Fan and C.L. Tan Binarizing document image using coplanar prefilter, International Conference on Document Analysis and Recognition, ICDAR 2001, 10-13 Sept 2001, Seattle, USA, pp.34-38
• L. Fan, C.L. Tan and L. Fan Edge-preserving prefiltering for document image binarization, International Conference on Image Processing, ICIP 2001, 8-10 October, Thessaloniki, Greece.
• Y. Zhou and C.L. Tan Chart analysis and recognition in document images, International Conference on Document Analysis and Recognition, ICDAR 2001, 10-13 September, Seattle, USA, pp. 1055-1058.
• Y. Zhou and C.L. Tan Learning-based scientific chart recognition, Graphics Recognition Workshop, GREC 7-8 September, Kingston, Ontario, Canada, pp. 482-492.
• Q. Yuan and C.L. Tan Text extraction from gray scale document images using edge information, International Conference on Document Analysis and Recongition, ICDAR'2001, 10-13 Sept 2001, Seattle, USA, pp. 302-306.
• Q. Yuan and C.L. Tan Page segmentation and text extraction from gray-scale images in microfilm, SPIE Document Recognition and Retrieval VIII, 24-25 Jan 2001, San Jose, California, pp. 323-332.
• C.L. Tan, R. Cao and P. Shen, Wavelet applications in segmentation of handwriting in archival documents, International Conference of Wavelet Analysis and Applications, 18-20 Dec 2001, Hong Kong.
• L. Vijjappu, A-H. Tan and C.L. Tan Web structure analysis for information mining, Web Document Analysis Workshop, ICDAR, 2001, 8 Sept 2001, Seattle, USA, pp. 15-18.
• C.L. Tan and B. Yuan Document text segmentation using multi-band disc model, SPIE Document Recognition and Retrieval VIII, San Jose, California, USA, 24-25 Jan 2001, pp. 212-221.
• C.L. Tan, Zheng Zhang Text block segmentation using pyramid structure, SPIE Document Recognition and Retrieval VIII, 24-25 Jan 2001, San Jose, California, pp. 297-306.
• P.K. Loo and C.L. Tan Detection of word groups based on irregular pyramid, International Conference on Document Analysis and Recognition, ICDAR 2001, 10-13 Sept 2001, Seattle, USA, pp. 200-204.
• P.K. Loo and C.L. Tan Word extraction using irregular pyramid, SPIE Document Recognition and Retrieval VIII, 24-25 Jan 2001, San Jose, California, pp. 363-371.
• C.L. Tan, R. Cao, Q. Wang and P. Shen, Character extraction from interfering background, analysis of double-sided handwritten archival documents, International Conferecne on Advances in Pattern Recognition, ICAPR 2001.
• C.L. Tan and H. W. K. Chia, Neural logic network learning using genetic programming, International Joint Conference on Artificial Intelligence IJCAI'01, pp.803-808, 6-10 August 2001, Seattle, USA.
• C.L. Tan and H. W. K. Chia, Genetic construction of neural logic networks, International Joint Conference on Neural Networks, IJCNN2001, pp.732-737, 14-19 July 2001, Washington DC, USA.
• X. Xu, S.Y. Sung and C.L. Tan, Virtual card payment protocol and risk analysis using performacne scoring, International Parallel and Distributed Processing Symposium, IPDPS2001, 23-27 April 2001, San Francisco, USA.
• Y.P. Zhou and C.L. Tan, Hough-based model for recognizing bar charts in document images, SPIE Document Recogntion and Retreival VIII, ed. P B Kantor, pp.333-340, January 2001, San Jose, USA.

2000

• J. He, A-H. Tan, C-L. Tan, A comparative study on Chinese text categorization methods, PRICAI'2000 International Workshop on Text and Web Mining, Sept 2000, Melbourne, Australia, pp. 24-35.
• J. He, A-H. Tan, C-L. Tan, Machine learning methods for Chinese web page categorization, ACL'2000 2nd Chinese Language Processing Workshop, 8 Oct 2000, Hong Kong, pp.93-100.
• C.L. Tan, R. Cao, P. Shen, Q. Wang, J. Chee and J. Chang, Removal of interfering strokes in double-sided document images, 5th IEEE Workshop on Applications of Computer Vision, WACV 2000, Palm Springs, CA, 4-6 December, 2000, pp. 16-21.
• R. Cao, C.L. Tan, Q. Wang and P. Shen, Segmentation and analysis of double-sided handwritten archival documents, 4th IAPR International Workshop on Document Analysis Systems, DAS2000, 10-13 December 2000, Rio de Janeiro, Brazil, pp.147-158.
• Z. Yu, C.L. an Image-based document vectors for text retrieval, International Conference on Pattern Recognition, Barcelona, Spain, 3-7 Sept 2000, pp. 393-396.
• C.L. Tan, S.Y. Sung, Z. Yu and Y. Xu Text retrieval from document images based on n-gram algorithm, International Workshop on Text and Web Mining, 6th Pacific Rim International Conference on Artificial Intelligence, PRICAI'200, Melbourne, Australia, 28 Aug - 1 Sept 2000, pp. 1-12.
• R. Cao and C.L. Tan Line primitive extraction by interpretation of line continuation, 6th International Conference on Control, Automation, Robotics and Vision, Dec 2000, Singapore.
• R. Cao and C.L. Tan A model of stroke extraction from Chinese character images, ICPR 2000 International Conference on Pattern Recognition, Spain, 3-8 Sept 2000, Vol 4, pp. 368-371.
• Y. Zhou and C.L. Tan Hough technique for bar charts detection and recognition in document images, ICIP 2000 International Conference on Image Processing, 10-13 Sept 2000, Vancouver, Canada, Vol. II, pp. 605-608
• Y. Zhou and C.L. Tan Bar charts recognition using hough based syntactic segmentation, DIAGRAM 2000, 1st International Conference on the Theory and Applications of Diagrams, 1-3 September 2000, Edinburgh, Scotland, UK, pp. 494-497.
• D. Shi, C.L. Tan GA-based supervised learning of neocognitron, International Joint Conference on Neural Networks, IJCNN 2000, 24-27 July 2000, Como, Italy 2000.

1999 & Earlier

• C.L. Tan, S.Y. Sung, D. Shi, B. Yuan, Y.T. Lim and Y.Xu, News articles retrieval from microfilm images, IJCAI'99 Workshop: Text Mining, Foundations, Techniques and Applications, pp. 110-116, 31 July - 6 Aug 1999, Stockholm, Sweden.
• D. Shi, C.L. Tan and W. Shu, Recognition rule acquisition by an advanced extension matrix algorithm, IEEE International Conference on Systems, Man and Cybernetics, Tokyo, Japan, 1999.
• L.K.A. Wee, L.C. Tong and C.L. Tan Textual information in the face of information deluge, IJCAI'99 Workshop: Text Mining, Foundations, Techniques and Applications, pp. 126-127, 31 July - 6 Aug 1999, Stockholm, Sweden.
• L.K.A. Wee, L.C. Tong and C.L. Tan A generic information extraction architecture for financial applications, Expert Systems with Applications, Vol 16, 1999, pp. 343-356.
• C.L. Tan, P.Y. Leong, S. He Language identification in multilingual documents, International Symposium on Intelligent Multimedia and Distance Education, 2-7 August 1999, Baden-Baden, Germany, pp.59-64.
• L.K.A. Wee, L.C. Tong and C.L. Tan Knowledge representation issues in information extraction, 5th Pacific Rim International Conference on Artificial Intelligence, Nov. 1998, singapore, pp. 448-458.
• C.L. Tan, B. Yuan and C.H. Ang Agent-based text extraction from pyramid images, International Conference on Advances in Pattern Recognition, 23-25 Nov, 1998, Plymouth, UK, pp. 344-352.