wavelet transform coefficients

37

WCE
2007

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Wavepackets in the Recognition of Isolated Handwritten Characters

14 years 1 months ago

— This work is to apply wavelet packet transformation for the recognition of isolated handwritten Malayalam (one of the south Indian languages) characters. The key idea is that c...

G. Raju, K. Revathy

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32

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ICIP
2005
IEEE

214views Image Processing» more ICIP 2005»

JPEG 2000 scalar quantization using an optimally frequency localized modulated lapped transform

15 years 2 months ago

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JPEG 2000 is a lossy integer-to-integer transform-based compression method that first quantizes the separable 2-D wavelet transform coefficients, then entropy codes them. The imag...

Peter C. Tay, Joseph P. Havlicek

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28

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ICIP
2007
IEEE

139views Image Processing» more ICIP 2007»

Tamper Detection Based on Regularity of Wavelet Transform Coefficients

15 years 2 months ago