Adaptive normalization of handwritten characters using global/local affine transformation

IEEE Transactions on Pattern Analysis and Machine Intelligence

Volumn 20, Issue 12, 1998, Pages 1332-1341

  Wakahara, Toru ^a,b   Odaka, Kazumi ^a  

^a NTT CORPORATION   (Japan)

^b UNIVERSITY OF TSUKUBA   (Japan)

Author keywords

Adaptive normalization; Deformation model; Distortion tolerant shape matching; Global and local affine transformation; Weighted least squares criterion

Indexed keywords

CURVE FITTING; IMAGE ANALYSIS; ITERATIVE METHODS; LEAST SQUARES APPROXIMATIONS; MATHEMATICAL MODELS; PATTERN MATCHING;

ADAPTIVE NORMALIZATIONS; DEFORMATION MODELS; DISTORTION-TOLERANT SHAPE MATCHING; GLOBAL AND AFFINE TRANSFORMATIONS; WEIGHTED LEAST-SQUARES CRITERION;

OPTICAL CHARACTER RECOGNITION;

EID: 0032300785     PISSN: 01628828     EISSN: None     Source Type: Journal    
DOI: 10.1109/34.735806     Document Type: Article

References (10)

1. G. Nagy and N. Tuong, "Normalization Techniques for Handprinted Numerals," Comm. ACM, vol. 13, pp. 475-481,1970.
2. R.G. Casey, "Moment Normalization of Handprinted Characters," IBM J. Res. Develop., vol. 14, pp. 548-557,1970.
3. S.-W. Lee and J.-S. Park, "Nonlinear Shape Normalization Methods for the Recognition of Large-Set Handwritten Characters," Pattern Recognition, vol. 27, pp. 895-902,1994.
4. Y. Yamashita, K. Higuchi, Y. Yamada, and Y Haga, "Classification of Handprinted Kanji Characters by the Structured Segment Matching Method," Pattern Recognition Letters, vol. 1, pp. 475-479, 1983.
5. H. Yamada, K. Yamamoto, and T. Saito, "A Nonlinear Normalization Method for Handprinted Kanji Character Recognition-Line Density Equalization," Pattern Recognition, vol. 23, pp. 1,023-1,029, 1990.
6. J. Tsukumo and H. Tanaka, "Classification of Handprinted Chinese Characters Using Nonlinear Normalization Methods," Proc. Ninth Int'l Conf. Pattern Recognition, Nov. 1988, pp. 168-171.
7. P. Simard, Y LeCun, and J. Denker, "Efficient Pattern Recognition Using a New Transformation Distance," Neural Information Processing Systems, vol. 5, pp. 50-59. Morgan Kaufmann, 1993.
8. T. Wakahara, "Shape Matching Using LAT and Its Application to Handwritten Numeral Recognition," IEEE Trans. Pattern Analysis and Machine Intelligence, vol. 16, pp. 618-629,1994.
9. Mathematical Society of Japan, Encyclopedic Dictionary of Mathematics. Cambridge, Mass.: MIT Press, 1977.
10. T. Wakahara, A. Suzuki, N. Nakajima, S. Miyahara, and, K. Odaka, "Stroke-Number and Stroke-Order Free On-Line Kanji Character Recognition as One-to-One Stroke Correspondence Problem," IEICE Trans. Information and Systems, vol. E79-D, pp. 529-534,1996.