期刊
MATHEMATICAL AND COMPUTER MODELLING
卷 36, 期 7-8, 页码 939-948出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0895-7177(02)00238-8
关键词
two-dimensional image processing; windowed Fourier transform; wavelet transform techniques
This paper studies the two-dimensional wavelet transform applied to two-dimensional images. The classical technique oftentimes implements the Fourier transform. This paper offers a brief discussion regarding the comparison of the two transforms on a single alphabet. It provides a comparison of the global properties present in the Fourier transform technique versus a more localized analysis when the wavelet transform is applied to the same image. The wavelet selected in this study is the derivative of the Gaussian since in some sense offers a nice comparison to the Fourier method. (C) 2002 Elsevier Science Ltd. All rights reserved.
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