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Discrimination of similar handwritten numerals based on invariant curvature features

โœ Scribed by Lihua Yang; Ching Y. Suen; Tien D. Bui; Ping Zhang


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
593 KB
Volume
38
Category
Article
ISSN
0031-3203

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A feature of 2D and 3D images invariant
โœ Yo Horikawa ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 401 KB

## Abstract A novel feature of 2D and 3D patterns invariant to similarity transformations is derived from the bispectrum. The invariant feature is a histogram of triple products of frequency components and is calculated with the Fourier transform of original images. Computer experiments on sinusoid